Adding upstream version 18.2.2.upstream/18.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 2666 insertions, 0 deletions

diff --git a/src/test/cli/rbd/help.t b/src/test/cli/rbd/help.t
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+  $ rbd --help
+  usage: rbd <command> ...
+  
+  Command-line interface for managing Ceph RBD images.
+  
+  Positional arguments:
+    <command>
+      bench                             Simple benchmark.
+      children                          Display children of an image or its
+                                        snapshot.
+      clone                             Clone a snapshot into a CoW child image.
+      config global get                 Get a global-level configuration override.
+      config global list (... ls)       List global-level configuration overrides.
+      config global remove (... rm)     Remove a global-level configuration
+                                        override.
+      config global set                 Set a global-level configuration override.
+      config image get                  Get an image-level configuration override.
+      config image list (... ls)        List image-level configuration overrides.
+      config image remove (... rm)      Remove an image-level configuration
+                                        override.
+      config image set                  Set an image-level configuration override.
+      config pool get                   Get a pool-level configuration override.
+      config pool list (... ls)         List pool-level configuration overrides.
+      config pool remove (... rm)       Remove a pool-level configuration
+                                        override.
+      config pool set                   Set a pool-level configuration override.
+      copy (cp)                         Copy src image to dest.
+      create                            Create an empty image.
+      deep copy (deep cp)               Deep copy (including snapshots) src image
+                                        to dest.
+      device attach                     Attach image to device.
+      device detach                     Detach image from device.
+      device list (showmapped)          List mapped rbd images.
+      device map (map)                  Map an image to a block device.
+      device unmap (unmap)              Unmap a rbd device.
+      diff                              Print extents that differ since a
+                                        previous snap, or image creation.
+      disk-usage (du)                   Show disk usage stats for pool, image or
+                                        snapshot.
+      encryption format                 Format image to an encrypted format.
+      export                            Export image to file.
+      export-diff                       Export incremental diff to file.
+      feature disable                   Disable the specified image feature.
+      feature enable                    Enable the specified image feature.
+      flatten                           Fill clone with parent data (make it
+                                        independent).
+      group create                      Create a group.
+      group image add                   Add an image to a group.
+      group image list (... ls)         List images in a group.
+      group image remove (... rm)       Remove an image from a group.
+      group list (group ls)             List rbd groups.
+      group remove (group rm)           Delete a group.
+      group rename                      Rename a group within pool.
+      group snap create                 Make a snapshot of a group.
+      group snap list (... ls)          List snapshots of a group.
+      group snap remove (... rm)        Remove a snapshot from a group.
+      group snap rename                 Rename group's snapshot.
+      group snap rollback               Rollback group to snapshot.
+      image-meta get                    Image metadata get the value associated
+                                        with the key.
+      image-meta list (image-meta ls)   Image metadata list keys with values.
+      image-meta remove (image-meta rm) Image metadata remove the key and value
+                                        associated.
+      image-meta set                    Image metadata set key with value.
+      import                            Import image from file.
+      import-diff                       Import an incremental diff.
+      info                              Show information about image size,
+                                        striping, etc.
+      journal client disconnect         Flag image journal client as disconnected.
+      journal export                    Export image journal.
+      journal import                    Import image journal.
+      journal info                      Show information about image journal.
+      journal inspect                   Inspect image journal for structural
+                                        errors.
+      journal reset                     Reset image journal.
+      journal status                    Show status of image journal.
+      list (ls)                         List rbd images.
+      lock add                          Take a lock on an image.
+      lock list (lock ls)               Show locks held on an image.
+      lock remove (lock rm)             Release a lock on an image.
+      merge-diff                        Merge two diff exports together.
+      migration abort                   Cancel interrupted image migration.
+      migration commit                  Commit image migration.
+      migration execute                 Execute image migration.
+      migration prepare                 Prepare image migration.
+      mirror image demote               Demote an image to non-primary for RBD
+                                        mirroring.
+      mirror image disable              Disable RBD mirroring for an image.
+      mirror image enable               Enable RBD mirroring for an image.
+      mirror image promote              Promote an image to primary for RBD
+                                        mirroring.
+      mirror image resync               Force resync to primary image for RBD
+                                        mirroring.
+      mirror image snapshot             Create RBD mirroring image snapshot.
+      mirror image status               Show RBD mirroring status for an image.
+      mirror pool demote                Demote all primary images in the pool.
+      mirror pool disable               Disable RBD mirroring by default within a
+                                        pool.
+      mirror pool enable                Enable RBD mirroring by default within a
+                                        pool.
+      mirror pool info                  Show information about the pool mirroring
+                                        configuration.
+      mirror pool peer add              Add a mirroring peer to a pool.
+      mirror pool peer bootstrap create Create a peer bootstrap token to import
+                                        in a remote cluster
+      mirror pool peer bootstrap import Import a peer bootstrap token created
+                                        from a remote cluster
+      mirror pool peer remove           Remove a mirroring peer from a pool.
+      mirror pool peer set              Update mirroring peer settings.
+      mirror pool promote               Promote all non-primary images in the
+                                        pool.
+      mirror pool status                Show status for all mirrored images in
+                                        the pool.
+      mirror snapshot schedule add      Add mirror snapshot schedule.
+      mirror snapshot schedule list (... ls)
+                                        List mirror snapshot schedule.
+      mirror snapshot schedule remove (... rm)
+                                        Remove mirror snapshot schedule.
+      mirror snapshot schedule status   Show mirror snapshot schedule status.
+      namespace create                  Create an RBD image namespace.
+      namespace list (namespace ls)     List RBD image namespaces.
+      namespace remove (namespace rm)   Remove an RBD image namespace.
+      object-map check                  Verify the object map is correct.
+      object-map rebuild                Rebuild an invalid object map.
+      perf image iostat                 Display image IO statistics.
+      perf image iotop                  Display a top-like IO monitor.
+      persistent-cache flush            Flush persistent cache.
+      persistent-cache invalidate       Invalidate (discard) existing / dirty
+                                        persistent cache.
+      pool init                         Initialize pool for use by RBD.
+      pool stats                        Display pool statistics.
+      remove (rm)                       Delete an image.
+      rename (mv)                       Rename image within pool.
+      resize                            Resize (expand or shrink) image.
+      snap create (snap add)            Create a snapshot.
+      snap limit clear                  Remove snapshot limit.
+      snap limit set                    Limit the number of snapshots.
+      snap list (snap ls)               Dump list of image snapshots.
+      snap protect                      Prevent a snapshot from being deleted.
+      snap purge                        Delete all unprotected snapshots.
+      snap remove (snap rm)             Delete a snapshot.
+      snap rename                       Rename a snapshot.
+      snap rollback (snap revert)       Rollback image to snapshot.
+      snap unprotect                    Allow a snapshot to be deleted.
+      sparsify                          Reclaim space for zeroed image extents.
+      status                            Show the status of this image.
+      trash list (trash ls)             List trash images.
+      trash move (trash mv)             Move an image to the trash.
+      trash purge                       Remove all expired images from trash.
+      trash purge schedule add          Add trash purge schedule.
+      trash purge schedule list (... ls)
+                                        List trash purge schedule.
+      trash purge schedule remove (... rm)
+                                        Remove trash purge schedule.
+      trash purge schedule status       Show trash purge schedule status.
+      trash remove (trash rm)           Remove an image from trash.
+      trash restore                     Restore an image from trash.
+      watch                             Watch events on image.
+  
+  Optional arguments:
+    -c [ --conf ] arg                   path to cluster configuration
+    --cluster arg                       cluster name
+    --id arg                            client id (without 'client.' prefix)
+    -n [ --name ] arg                   client name
+    -m [ --mon_host ] arg               monitor host
+    -K [ --keyfile ] arg                path to secret key
+    -k [ --keyring ] arg                path to keyring
+  
+  See 'rbd help <command>' for help on a specific command.
+  $ rbd help | grep '^    [a-z]' | sed 's/^    \([a-z -]*[a-z]\).*/\1/g' | while read -r line; do echo rbd help $line ; rbd help $line; done
+  rbd help bench
+  usage: rbd bench [--pool <pool>] [--namespace <namespace>] [--image <image>] 
+                   [--io-size <io-size>] [--io-threads <io-threads>] 
+                   [--io-total <io-total>] [--io-pattern <io-pattern>] 
+                   [--rw-mix-read <rw-mix-read>] --io-type <io-type> 
+                   <image-spec> 
+  
+  Simple benchmark.
+  
+  Positional arguments
+    <image-spec>         image specification
+                         (example: [<pool-name>/[<namespace>/]]<image-name>)
+  
+  Optional arguments
+    -p [ --pool ] arg    pool name
+    --namespace arg      namespace name
+    --image arg          image name
+    --io-size arg        IO size (in B/K/M/G) (< 4G) [default: 4K]
+    --io-threads arg     ios in flight [default: 16]
+    --io-total arg       total size for IO (in B/K/M/G/T) [default: 1G]
+    --io-pattern arg     IO pattern (rand, seq, or full-seq) [default: seq]
+    --rw-mix-read arg    read proportion in readwrite (<= 100) [default: 50]
+    --io-type arg        IO type (read, write, or readwrite(rw))
+  
+  rbd help children
+  usage: rbd children [--pool <pool>] [--namespace <namespace>] 
+                      [--image <image>] [--snap <snap>] [--snap-id <snap-id>] 
+                      [--all] [--descendants] [--format <format>] 
+                      [--pretty-format] 
+                      <image-or-snap-spec> 
+  
+  Display children of an image or its snapshot.
+  
+  Positional arguments
+    <image-or-snap-spec>  image or snapshot specification
+                          (example:
+                          [<pool-name>/[<namespace>/]]<image-name>[@<snap-name>])
+  
+  Optional arguments
+    -p [ --pool ] arg     pool name
+    --namespace arg       namespace name
+    --image arg           image name
+    --snap arg            snapshot name
+    --snap-id arg         snapshot id
+    -a [ --all ]          list all children (include trash)
+    --descendants         include all descendants
+    --format arg          output format (plain, json, or xml) [default: plain]
+    --pretty-format       pretty formatting (json and xml)
+  
+  rbd help clone
+  usage: rbd clone [--pool <pool>] [--namespace <namespace>] [--image <image>] 
+                   [--snap <snap>] [--dest-pool <dest-pool>] 
+                   [--dest-namespace <dest-namespace>] [--dest <dest>] 
+                   [--order <order>] [--object-size <object-size>] 
+                   [--image-feature <image-feature>] [--image-shared] 
+                   [--stripe-unit <stripe-unit>] [--stripe-count <stripe-count>] 
+                   [--data-pool <data-pool>] 
+                   [--mirror-image-mode <mirror-image-mode>] 
+                   [--journal-splay-width <journal-splay-width>] 
+                   [--journal-object-size <journal-object-size>] 
+                   [--journal-pool <journal-pool>] 
+                   <source-snap-spec> <dest-image-spec> 
+  
+  Clone a snapshot into a CoW child image.
+  
+  Positional arguments
+    <source-snap-spec>        source snapshot specification
+                              (example:
+                              [<pool-name>/[<namespace>/]]<image-name>@<snap-name>
+                              )
+    <dest-image-spec>         destination image specification
+                              (example: [<pool-name>/[<namespace>/]]<image-name>)
+  
+  Optional arguments
+    -p [ --pool ] arg         source pool name
+    --namespace arg           source namespace name
+    --image arg               source image name
+    --snap arg                source snapshot name
+    --dest-pool arg           destination pool name
+    --dest-namespace arg      destination namespace name
+    --dest arg                destination image name
+    --object-size arg         object size in B/K/M [4K <= object size <= 32M]
+    --image-feature arg       image features
+                              [layering(+), exclusive-lock(+*), object-map(+*),
+                              deep-flatten(+-), journaling(*)]
+    --image-shared            shared image
+    --stripe-unit arg         stripe unit in B/K/M
+    --stripe-count arg        stripe count
+    --data-pool arg           data pool
+    --mirror-image-mode arg   mirror image mode [journal or snapshot]
+    --journal-splay-width arg number of active journal objects
+    --journal-object-size arg size of journal objects [4K <= size <= 64M]
+    --journal-pool arg        pool for journal objects
+  
+  Image Features:
+    (*) supports enabling/disabling on existing images
+    (-) supports disabling-only on existing images
+    (+) enabled by default for new images if features not specified
+  
+  rbd help config global get
+  usage: rbd config global get <config-entity> <key> 
+  
+  Get a global-level configuration override.
+  
+  Positional arguments
+    <config-entity>      config entity (global, client, client.<id>)
+    <key>                config key
+  
+  rbd help config global list
+  usage: rbd config global list [--format <format>] [--pretty-format] 
+                                <config-entity> 
+  
+  List global-level configuration overrides.
+  
+  Positional arguments
+    <config-entity>      config entity (global, client, client.<id>)
+  
+  Optional arguments
+    --format arg         output format (plain, json, or xml) [default: plain]
+    --pretty-format      pretty formatting (json and xml)
+  
+  rbd help config global remove
+  usage: rbd config global remove <config-entity> <key> 
+  
+  Remove a global-level configuration override.
+  
+  Positional arguments
+    <config-entity>      config entity (global, client, client.<id>)
+    <key>                config key
+  
+  rbd help config global set
+  usage: rbd config global set <config-entity> <key> <value> 
+  
+  Set a global-level configuration override.
+  
+  Positional arguments
+    <config-entity>      config entity (global, client, client.<id>)
+    <key>                config key
+    <value>              config value
+  
+  rbd help config image get
+  usage: rbd config image get [--pool <pool>] [--namespace <namespace>] 
+                              [--image <image>] 
+                              <image-spec> <key> 
+  
+  Get an image-level configuration override.
+  
+  Positional arguments
+    <image-spec>         image specification
+                         (example: [<pool-name>/[<namespace>/]]<image-name>)
+    <key>                config key
+  
+  Optional arguments
+    -p [ --pool ] arg    pool name
+    --namespace arg      namespace name
+    --image arg          image name
+  
+  rbd help config image list
+  usage: rbd config image list [--pool <pool>] [--namespace <namespace>] 
+                               [--image <image>] [--format <format>] 
+                               [--pretty-format] 
+                               <image-spec> 
+  
+  List image-level configuration overrides.
+  
+  Positional arguments
+    <image-spec>         image specification
+                         (example: [<pool-name>/[<namespace>/]]<image-name>)
+  
+  Optional arguments
+    -p [ --pool ] arg    pool name
+    --namespace arg      namespace name
+    --image arg          image name
+    --format arg         output format (plain, json, or xml) [default: plain]
+    --pretty-format      pretty formatting (json and xml)
+  
+  rbd help config image remove
+  usage: rbd config image remove [--pool <pool>] [--namespace <namespace>] 
+                                 [--image <image>] 
+                                 <image-spec> <key> 
+  
+  Remove an image-level configuration override.
+  
+  Positional arguments
+    <image-spec>         image specification
+                         (example: [<pool-name>/[<namespace>/]]<image-name>)
+    <key>                config key
+  
+  Optional arguments
+    -p [ --pool ] arg    pool name
+    --namespace arg      namespace name
+    --image arg          image name
+  
+  rbd help config image set
+  usage: rbd config image set [--pool <pool>] [--namespace <namespace>] 
+                              [--image <image>] 
+                              <image-spec> <key> <value> 
+  
+  Set an image-level configuration override.
+  
+  Positional arguments
+    <image-spec>         image specification
+                         (example: [<pool-name>/[<namespace>/]]<image-name>)
+    <key>                config key
+    <value>              config value
+  
+  Optional arguments
+    -p [ --pool ] arg    pool name
+    --namespace arg      namespace name
+    --image arg          image name
+  
+  rbd help config pool get
+  usage: rbd config pool get <pool-name> <key> 
+  
+  Get a pool-level configuration override.
+  
+  Positional arguments
+    <pool-name>          pool name
+    <key>                config key
+  
+  rbd help config pool list
+  usage: rbd config pool list [--format <format>] [--pretty-format] 
+                              <pool-name> 
+  
+  List pool-level configuration overrides.
+  
+  Positional arguments
+    <pool-name>          pool name
+  
+  Optional arguments
+    --format arg         output format (plain, json, or xml) [default: plain]
+    --pretty-format      pretty formatting (json and xml)
+  
+  rbd help config pool remove
+  usage: rbd config pool remove <pool-name> <key> 
+  
+  Remove a pool-level configuration override.
+  
+  Positional arguments
+    <pool-name>          pool name
+    <key>                config key
+  
+  rbd help config pool set
+  usage: rbd config pool set <pool-name> <key> <value> 
+  
+  Set a pool-level configuration override.
+  
+  Positional arguments
+    <pool-name>          pool name
+    <key>                config key
+    <value>              config value
+  
+  rbd help copy
+  usage: rbd copy [--pool <pool>] [--namespace <namespace>] [--image <image>] 
+                  [--snap <snap>] [--dest-pool <dest-pool>] 
+                  [--dest-namespace <dest-namespace>] [--dest <dest>] 
+                  [--order <order>] [--object-size <object-size>] 
+                  [--image-feature <image-feature>] [--image-shared] 
+                  [--stripe-unit <stripe-unit>] [--stripe-count <stripe-count>] 
+                  [--data-pool <data-pool>] 
+                  [--mirror-image-mode <mirror-image-mode>] 
+                  [--journal-splay-width <journal-splay-width>] 
+                  [--journal-object-size <journal-object-size>] 
+                  [--journal-pool <journal-pool>] [--sparse-size <sparse-size>] 
+                  [--no-progress] 
+                  <source-image-or-snap-spec> <dest-image-spec> 
+  
+  Copy src image to dest.
+  
+  Positional arguments
+    <source-image-or-snap-spec>  source image or snapshot specification
+                                 (example:
+                                 [<pool-name>/[<namespace>/]]<image-name>[@<snap-n
+                                 ame>])
+    <dest-image-spec>            destination image specification
+                                 (example:
+                                 [<pool-name>/[<namespace>/]]<image-name>)
+  
+  Optional arguments
+    -p [ --pool ] arg            source pool name
+    --namespace arg              source namespace name
+    --image arg                  source image name
+    --snap arg                   source snapshot name
+    --dest-pool arg              destination pool name
+    --dest-namespace arg         destination namespace name
+    --dest arg                   destination image name
+    --object-size arg            object size in B/K/M [4K <= object size <= 32M]
+    --image-feature arg          image features
+                                 [layering(+), exclusive-lock(+*),
+                                 object-map(+*), deep-flatten(+-), journaling(*)]
+    --image-shared               shared image
+    --stripe-unit arg            stripe unit in B/K/M
+    --stripe-count arg           stripe count
+    --data-pool arg              data pool
+    --mirror-image-mode arg      mirror image mode [journal or snapshot]
+    --journal-splay-width arg    number of active journal objects
+    --journal-object-size arg    size of journal objects [4K <= size <= 64M]
+    --journal-pool arg           pool for journal objects
+    --sparse-size arg            sparse size in B/K/M [default: 4K]
+    --no-progress                disable progress output
+  
+  Image Features:
+    (*) supports enabling/disabling on existing images
+    (-) supports disabling-only on existing images
+    (+) enabled by default for new images if features not specified
+  
+  rbd help create
+  usage: rbd create [--pool <pool>] [--namespace <namespace>] [--image <image>] 
+                    [--image-format <image-format>] [--new-format] 
+                    [--order <order>] [--object-size <object-size>] 
+                    [--image-feature <image-feature>] [--image-shared] 
+                    [--stripe-unit <stripe-unit>] 
+                    [--stripe-count <stripe-count>] [--data-pool <data-pool>] 
+                    [--mirror-image-mode <mirror-image-mode>] 
+                    [--journal-splay-width <journal-splay-width>] 
+                    [--journal-object-size <journal-object-size>] 
+                    [--journal-pool <journal-pool>] 
+                    [--thick-provision] --size <size> [--no-progress] 
+                    <image-spec> 
+  
+  Create an empty image.
+  
+  Positional arguments
+    <image-spec>              image specification
+                              (example: [<pool-name>/[<namespace>/]]<image-name>)
+  
+  Optional arguments
+    -p [ --pool ] arg         pool name
+    --namespace arg           namespace name
+    --image arg               image name
+    --image-format arg        image format [default: 2]
+    --object-size arg         object size in B/K/M [4K <= object size <= 32M]
+    --image-feature arg       image features
+                              [layering(+), exclusive-lock(+*), object-map(+*),
+                              deep-flatten(+-), journaling(*)]
+    --image-shared            shared image
+    --stripe-unit arg         stripe unit in B/K/M
+    --stripe-count arg        stripe count
+    --data-pool arg           data pool
+    --mirror-image-mode arg   mirror image mode [journal or snapshot]
+    --journal-splay-width arg number of active journal objects
+    --journal-object-size arg size of journal objects [4K <= size <= 64M]
+    --journal-pool arg        pool for journal objects
+    --thick-provision         fully allocate storage and zero image
+    -s [ --size ] arg         image size (in M/G/T) [default: M]
+    --no-progress             disable progress output
+  
+  Image Features:
+    (*) supports enabling/disabling on existing images
+    (-) supports disabling-only on existing images
+    (+) enabled by default for new images if features not specified
+  
+  rbd help deep copy
+  usage: rbd deep copy [--pool <pool>] [--namespace <namespace>] 
+                       [--image <image>] [--snap <snap>] 
+                       [--dest-pool <dest-pool>] 
+                       [--dest-namespace <dest-namespace>] [--dest <dest>] 
+                       [--order <order>] [--object-size <object-size>] 
+                       [--image-feature <image-feature>] [--image-shared] 
+                       [--stripe-unit <stripe-unit>] 
+                       [--stripe-count <stripe-count>] [--data-pool <data-pool>] 
+                       [--mirror-image-mode <mirror-image-mode>] 
+                       [--journal-splay-width <journal-splay-width>] 
+                       [--journal-object-size <journal-object-size>] 
+                       [--journal-pool <journal-pool>] [--flatten] 
+                       [--no-progress] 
+                       <source-image-or-snap-spec> <dest-image-spec> 
+  
+  Deep copy (including snapshots) src image to dest.
+  
+  Positional arguments
+    <source-image-or-snap-spec>  source image or snapshot specification
+                                 (example:
+                                 [<pool-name>/[<namespace>/]]<image-name>[@<snap-n
+                                 ame>])
+    <dest-image-spec>            destination image specification
+                                 (example:
+                                 [<pool-name>/[<namespace>/]]<image-name>)
+  
+  Optional arguments
+    -p [ --pool ] arg            source pool name
+    --namespace arg              source namespace name
+    --image arg                  source image name
+    --snap arg                   source snapshot name
+    --dest-pool arg              destination pool name
+    --dest-namespace arg         destination namespace name
+    --dest arg                   destination image name
+    --object-size arg            object size in B/K/M [4K <= object size <= 32M]
+    --image-feature arg          image features
+                                 [layering(+), exclusive-lock(+*),
+                                 object-map(+*), deep-flatten(+-), journaling(*)]
+    --image-shared               shared image
+    --stripe-unit arg            stripe unit in B/K/M
+    --stripe-count arg           stripe count
+    --data-pool arg              data pool
+    --mirror-image-mode arg      mirror image mode [journal or snapshot]
+    --journal-splay-width arg    number of active journal objects
+    --journal-object-size arg    size of journal objects [4K <= size <= 64M]
+    --journal-pool arg           pool for journal objects
+    --flatten                    fill clone with parent data (make it independent)
+    --no-progress                disable progress output
+  
+  Image Features:
+    (*) supports enabling/disabling on existing images
+    (-) supports disabling-only on existing images
+    (+) enabled by default for new images if features not specified
+  
+  rbd help device attach
+  usage: rbd device attach [--device-type <device-type>] [--pool <pool>] 
+                           [--namespace <namespace>] [--image <image>] 
+                           [--snap <snap>] --device <device> [--show-cookie] 
+                           [--cookie <cookie>] [--read-only] [--force] 
+                           [--exclusive] [--quiesce] 
+                           [--quiesce-hook <quiesce-hook>] [--snap-id <snap-id>] 
+                           [--options <options>] 
+                           <image-or-snap-spec> 
+  
+  Attach image to device.
+  
+  Positional arguments
+    <image-or-snap-spec>     image or snapshot specification
+                             (example:
+                             [<pool-name>/[<namespace>/]]<image-name>[@<snap-name>
+                             ])
+  
+  Optional arguments
+    -t [ --device-type ] arg device type [ggate, krbd (default), nbd]
+    -p [ --pool ] arg        pool name
+    --namespace arg          namespace name
+    --image arg              image name
+    --snap arg               snapshot name
+    --device arg             specify device path
+    --show-cookie            show device cookie
+    --cookie arg             specify device cookie
+    --read-only              attach read-only
+    --force                  force attach
+    --exclusive              disable automatic exclusive lock transitions
+    --quiesce                use quiesce hooks
+    --quiesce-hook arg       quiesce hook path
+    --snap-id arg            snapshot id
+    -o [ --options ] arg     device specific options
+  
+  rbd help device detach
+  usage: rbd device detach [--device-type <device-type>] [--pool <pool>] 
+                           [--namespace <namespace>] [--image <image>] 
+                           [--snap <snap>] [--snap-id <snap-id>] 
+                           [--options <options>] 
+                           <image-or-snap-or-device-spec> 
+  
+  Detach image from device.
+  
+  Positional arguments
+    <image-or-snap-or-device-spec>  image, snapshot, or device specification
+                                    [<pool-name>/[<namespace>/]]<image-name>[@<sna
+                                    p-name>] or <device-path>
+  
+  Optional arguments
+    -t [ --device-type ] arg        device type [ggate, krbd (default), nbd]
+    -p [ --pool ] arg               pool name
+    --namespace arg                 namespace name
+    --image arg                     image name
+    --snap arg                      snapshot name
+    --snap-id arg                   snapshot id
+    -o [ --options ] arg            device specific options
+  
+  rbd help device list
+  usage: rbd device list [--device-type <device-type>] [--format <format>] 
+                         [--pretty-format] 
+  
+  List mapped rbd images.
+  
+  Optional arguments
+    -t [ --device-type ] arg device type [ggate, krbd (default), nbd]
+    --format arg             output format (plain, json, or xml) [default: plain]
+    --pretty-format          pretty formatting (json and xml)
+  
+  rbd help device map
+  usage: rbd device map [--device-type <device-type>] [--pool <pool>] 
+                        [--namespace <namespace>] [--image <image>] 
+                        [--snap <snap>] [--show-cookie] [--cookie <cookie>] 
+                        [--read-only] [--exclusive] [--quiesce] 
+                        [--quiesce-hook <quiesce-hook>] [--snap-id <snap-id>] 
+                        [--options <options>] 
+                        <image-or-snap-spec> 
+  
+  Map an image to a block device.
+  
+  Positional arguments
+    <image-or-snap-spec>     image or snapshot specification
+                             (example:
+                             [<pool-name>/[<namespace>/]]<image-name>[@<snap-name>
+                             ])
+  
+  Optional arguments
+    -t [ --device-type ] arg device type [ggate, krbd (default), nbd]
+    -p [ --pool ] arg        pool name
+    --namespace arg          namespace name
+    --image arg              image name
+    --snap arg               snapshot name
+    --show-cookie            show device cookie
+    --cookie arg             specify device cookie
+    --read-only              map read-only
+    --exclusive              disable automatic exclusive lock transitions
+    --quiesce                use quiesce hooks
+    --quiesce-hook arg       quiesce hook path
+    --snap-id arg            snapshot id
+    -o [ --options ] arg     device specific options
+  
+  rbd help device unmap
+  usage: rbd device unmap [--device-type <device-type>] [--pool <pool>] 
+                          [--namespace <namespace>] [--image <image>] 
+                          [--snap <snap>] [--snap-id <snap-id>] 
+                          [--options <options>] 
+                          <image-or-snap-or-device-spec> 
+  
+  Unmap a rbd device.
+  
+  Positional arguments
+    <image-or-snap-or-device-spec>  image, snapshot, or device specification
+                                    [<pool-name>/[<namespace>/]]<image-name>[@<sna
+                                    p-name>] or <device-path>
+  
+  Optional arguments
+    -t [ --device-type ] arg        device type [ggate, krbd (default), nbd]
+    -p [ --pool ] arg               pool name
+    --namespace arg                 namespace name
+    --image arg                     image name
+    --snap arg                      snapshot name
+    --snap-id arg                   snapshot id
+    -o [ --options ] arg            device specific options
+  
+  rbd help diff
+  usage: rbd diff [--pool <pool>] [--namespace <namespace>] [--image <image>] 
+                  [--snap <snap>] [--from-snap <from-snap>] [--whole-object] 
+                  [--format <format>] [--pretty-format] 
+                  <image-or-snap-spec> 
+  
+  Print extents that differ since a previous snap, or image creation.
+  
+  Positional arguments
+    <image-or-snap-spec>  image or snapshot specification
+                          (example:
+                          [<pool-name>/[<namespace>/]]<image-name>[@<snap-name>])
+  
+  Optional arguments
+    -p [ --pool ] arg     pool name
+    --namespace arg       namespace name
+    --image arg           image name
+    --snap arg            snapshot name
+    --from-snap arg       snapshot starting point
+    --whole-object        compare whole object
+    --format arg          output format (plain, json, or xml) [default: plain]
+    --pretty-format       pretty formatting (json and xml)
+  
+  rbd help disk-usage
+  usage: rbd disk-usage [--pool <pool>] [--namespace <namespace>] 
+                        [--image <image>] [--snap <snap>] [--format <format>] 
+                        [--pretty-format] [--from-snap <from-snap>] [--exact] 
+                        [--merge-snapshots] 
+                        <image-or-snap-spec> 
+  
+  Show disk usage stats for pool, image or snapshot.
+  
+  Positional arguments
+    <image-or-snap-spec>  image or snapshot specification
+                          (example:
+                          [<pool-name>/[<namespace>/]]<image-name>[@<snap-name>])
+  
+  Optional arguments
+    -p [ --pool ] arg     pool name
+    --namespace arg       namespace name
+    --image arg           image name
+    --snap arg            snapshot name
+    --format arg          output format (plain, json, or xml) [default: plain]
+    --pretty-format       pretty formatting (json and xml)
+    --from-snap arg       snapshot starting point
+    --exact               compute exact disk usage (slow)
+    --merge-snapshots     merge snapshot sizes with its image
+  
+  rbd help encryption format
+  usage: rbd encryption format [--pool <pool>] [--namespace <namespace>] 
+                               [--image <image>] [--cipher-alg <cipher-alg>] 
+                               <image-spec> <format> <passphrase-file> 
+  
+  Format image to an encrypted format.
+  
+  Positional arguments
+    <image-spec>         image specification
+                         (example: [<pool-name>/[<namespace>/]]<image-name>)
+    <format>             encryption format [possible values: luks1, luks2]
+    <passphrase-file>    path of file containing passphrase for unlocking the
+                         image
+  
+  Optional arguments
+    -p [ --pool ] arg    pool name
+    --namespace arg      namespace name
+    --image arg          image name
+    --cipher-alg arg     encryption algorithm [possible values: aes-128, aes-256
+                         (default)]
+  
+  rbd help export
+  usage: rbd export [--pool <pool>] [--namespace <namespace>] [--image <image>] 
+                    [--snap <snap>] [--path <path>] [--no-progress] 
+                    [--export-format <export-format>] 
+                    <source-image-or-snap-spec> <path-name> 
+  
+  Export image to file.
+  
+  Positional arguments
+    <source-image-or-snap-spec>  source image or snapshot specification
+                                 (example:
+                                 [<pool-name>/[<namespace>/]]<image-name>[@<snap-n
+                                 ame>])
+    <path-name>                  export file (or '-' for stdout)
+  
+  Optional arguments
+    -p [ --pool ] arg            source pool name
+    --namespace arg              source namespace name
+    --image arg                  source image name
+    --snap arg                   source snapshot name
+    --path arg                   export file (or '-' for stdout)
+    --no-progress                disable progress output
+    --export-format arg          format of image file
+  
+  rbd help export-diff
+  usage: rbd export-diff [--pool <pool>] [--namespace <namespace>] 
+                         [--image <image>] [--snap <snap>] [--path <path>] 
+                         [--from-snap <from-snap>] [--whole-object] 
+                         [--no-progress] 
+                         <source-image-or-snap-spec> <path-name> 
+  
+  Export incremental diff to file.
+  
+  Positional arguments
+    <source-image-or-snap-spec>  source image or snapshot specification
+                                 (example:
+                                 [<pool-name>/[<namespace>/]]<image-name>[@<snap-n
+                                 ame>])
+    <path-name>                  export file (or '-' for stdout)
+  
+  Optional arguments
+    -p [ --pool ] arg            source pool name
+    --namespace arg              source namespace name
+    --image arg                  source image name
+    --snap arg                   source snapshot name
+    --path arg                   export file (or '-' for stdout)
+    --from-snap arg              snapshot starting point
+    --whole-object               compare whole object
+    --no-progress                disable progress output
+  
+  rbd help feature disable
+  usage: rbd feature disable [--pool <pool>] [--namespace <namespace>] 
+                             [--image <image>] 
+                             <image-spec> <features> [<features> ...] 
+  
+  Disable the specified image feature.
+  
+  Positional arguments
+    <image-spec>         image specification
+                         (example: [<pool-name>/[<namespace>/]]<image-name>)
+    <features>           image features
+                         [exclusive-lock, object-map, journaling]
+  
+  Optional arguments
+    -p [ --pool ] arg    pool name
+    --namespace arg      namespace name
+    --image arg          image name
+  
+  rbd help feature enable
+  usage: rbd feature enable [--pool <pool>] [--namespace <namespace>] 
+                            [--image <image>] 
+                            [--journal-splay-width <journal-splay-width>] 
+                            [--journal-object-size <journal-object-size>] 
+                            [--journal-pool <journal-pool>] 
+                            <image-spec> <features> [<features> ...] 
+  
+  Enable the specified image feature.
+  
+  Positional arguments
+    <image-spec>              image specification
+                              (example: [<pool-name>/[<namespace>/]]<image-name>)
+    <features>                image features
+                              [exclusive-lock, object-map, journaling]
+  
+  Optional arguments
+    -p [ --pool ] arg         pool name
+    --namespace arg           namespace name
+    --image arg               image name
+    --journal-splay-width arg number of active journal objects
+    --journal-object-size arg size of journal objects [4K <= size <= 64M]
+    --journal-pool arg        pool for journal objects
+  
+  rbd help flatten
+  usage: rbd flatten [--pool <pool>] [--namespace <namespace>] [--image <image>] 
+                     [--no-progress] [--encryption-format <encryption-format>] 
+                     [--encryption-passphrase-file <encryption-passphrase-file>] 
+                     <image-spec> 
+  
+  Fill clone with parent data (make it independent).
+  
+  Positional arguments
+    <image-spec>                     image specification
+                                     (example:
+                                     [<pool-name>/[<namespace>/]]<image-name>)
+  
+  Optional arguments
+    -p [ --pool ] arg                pool name
+    --namespace arg                  namespace name
+    --image arg                      image name
+    --no-progress                    disable progress output
+    --encryption-format arg          encryption format (luks, luks1, luks2)
+                                     [default: luks]
+    --encryption-passphrase-file arg path to file containing passphrase for
+                                     unlocking the image
+  
+  rbd help group create
+  usage: rbd group create [--pool <pool>] [--namespace <namespace>] 
+                          [--group <group>] 
+                          <group-spec> 
+  
+  Create a group.
+  
+  Positional arguments
+    <group-spec>         group specification
+                         (example: [<pool-name>/[<namespace>/]]<group-name>)
+  
+  Optional arguments
+    -p [ --pool ] arg    pool name
+    --namespace arg      namespace name
+    --group arg          group name
+  
+  rbd help group image add
+  usage: rbd group image add [--group-pool <group-pool>] 
+                             [--group-namespace <group-namespace>] 
+                             [--group <group>] [--image-pool <image-pool>] 
+                             [--image-namespace <image-namespace>] 
+                             [--image <image>] [--pool <pool>] 
+                             <group-spec> <image-spec> 
+  
+  Add an image to a group.
+  
+  Positional arguments
+    <group-spec>          group specification
+                          (example: [<pool-name>/[<namespace>/]]<group-name>)
+    <image-spec>          image specification
+                          (example: [<pool-name>/[<namespace>/]]<image-name>)
+  
+  Optional arguments
+    --group-pool arg      group pool name
+    --group-namespace arg group namespace name
+    --group arg           group name
+    --image-pool arg      image pool name
+    --image-namespace arg image namespace name
+    --image arg           image name
+    -p [ --pool ] arg     pool name unless overridden
+  
+  rbd help group image list
+  usage: rbd group image list [--format <format>] [--pretty-format] 
+                              [--pool <pool>] [--namespace <namespace>] 
+                              [--group <group>] 
+                              <group-spec> 
+  
+  List images in a group.
+  
+  Positional arguments
+    <group-spec>         group specification
+                         (example: [<pool-name>/[<namespace>/]]<group-name>)
+  
+  Optional arguments
+    --format arg         output format (plain, json, or xml) [default: plain]
+    --pretty-format      pretty formatting (json and xml)
+    -p [ --pool ] arg    pool name
+    --namespace arg      namespace name
+    --group arg          group name
+  
+  rbd help group image remove
+  usage: rbd group image remove [--group-pool <group-pool>] 
+                                [--group-namespace <group-namespace>] 
+                                [--group <group>] [--image-pool <image-pool>] 
+                                [--image-namespace <image-namespace>] 
+                                [--image <image>] [--pool <pool>] 
+                                [--image-id <image-id>] 
+                                <group-spec> <image-spec> 
+  
+  Remove an image from a group.
+  
+  Positional arguments
+    <group-spec>          group specification
+                          (example: [<pool-name>/[<namespace>/]]<group-name>)
+    <image-spec>          image specification
+                          (example: [<pool-name>/[<namespace>/]]<image-name>)
+  
+  Optional arguments
+    --group-pool arg      group pool name
+    --group-namespace arg group namespace name
+    --group arg           group name
+    --image-pool arg      image pool name
+    --image-namespace arg image namespace name
+    --image arg           image name
+    -p [ --pool ] arg     pool name unless overridden
+    --image-id arg        image id
+  
+  rbd help group list
+  usage: rbd group list [--pool <pool>] [--namespace <namespace>] 
+                        [--format <format>] [--pretty-format] 
+                        <pool-spec> 
+  
+  List rbd groups.
+  
+  Positional arguments
+    <pool-spec>          pool specification
+                         (example: <pool-name>[/<namespace>]
+  
+  Optional arguments
+    -p [ --pool ] arg    pool name
+    --namespace arg      namespace name
+    --format arg         output format (plain, json, or xml) [default: plain]
+    --pretty-format      pretty formatting (json and xml)
+  
+  rbd help group remove
+  usage: rbd group remove [--pool <pool>] [--namespace <namespace>] 
+                          [--group <group>] 
+                          <group-spec> 
+  
+  Delete a group.
+  
+  Positional arguments
+    <group-spec>         group specification
+                         (example: [<pool-name>/[<namespace>/]]<group-name>)
+  
+  Optional arguments
+    -p [ --pool ] arg    pool name
+    --namespace arg      namespace name
+    --group arg          group name
+  
+  rbd help group rename
+  usage: rbd group rename [--pool <pool>] [--namespace <namespace>] 
+                          [--group <group>] [--dest-pool <dest-pool>] 
+                          [--dest-namespace <dest-namespace>] 
+                          [--dest-group <dest-group>] 
+                          <source-group-spec> <dest-group-spec> 
+  
+  Rename a group within pool.
+  
+  Positional arguments
+    <source-group-spec>  source group specification
+                         (example: [<pool-name>/[<namespace>/]]<group-name>)
+    <dest-group-spec>    destination group specification
+                         (example: [<pool-name>/[<namespace>/]]<group-name>)
+  
+  Optional arguments
+    -p [ --pool ] arg    source pool name
+    --namespace arg      source namespace name
+    --group arg          source group name
+    --dest-pool arg      destination pool name
+    --dest-namespace arg destination namespace name
+    --dest-group arg     destination group name
+  
+  rbd help group snap create
+  usage: rbd group snap create [--pool <pool>] [--namespace <namespace>] 
+                               [--group <group>] [--snap <snap>] 
+                               [--skip-quiesce] [--ignore-quiesce-error] 
+                               <group-snap-spec> 
+  
+  Make a snapshot of a group.
+  
+  Positional arguments
+    <group-snap-spec>       group specification
+                            (example:
+                            [<pool-name>/[<namespace>/]]<group-name>@<snap-name>)
+  
+  Optional arguments
+    -p [ --pool ] arg       pool name
+    --namespace arg         namespace name
+    --group arg             group name
+    --snap arg              snapshot name
+    --skip-quiesce          do not run quiesce hooks
+    --ignore-quiesce-error  ignore quiesce hook error
+  
+  rbd help group snap list
+  usage: rbd group snap list [--format <format>] [--pretty-format] 
+                             [--pool <pool>] [--namespace <namespace>] 
+                             [--group <group>] 
+                             <group-spec> 
+  
+  List snapshots of a group.
+  
+  Positional arguments
+    <group-spec>         group specification
+                         (example: [<pool-name>/[<namespace>/]]<group-name>)
+  
+  Optional arguments
+    --format arg         output format (plain, json, or xml) [default: plain]
+    --pretty-format      pretty formatting (json and xml)
+    -p [ --pool ] arg    pool name
+    --namespace arg      namespace name
+    --group arg          group name
+  
+  rbd help group snap remove
+  usage: rbd group snap remove [--pool <pool>] [--namespace <namespace>] 
+                               [--group <group>] [--snap <snap>] 
+                               <group-snap-spec> 
+  
+  Remove a snapshot from a group.
+  
+  Positional arguments
+    <group-snap-spec>    group specification
+                         (example:
+                         [<pool-name>/[<namespace>/]]<group-name>@<snap-name>)
+  
+  Optional arguments
+    -p [ --pool ] arg    pool name
+    --namespace arg      namespace name
+    --group arg          group name
+    --snap arg           snapshot name
+  
+  rbd help group snap rename
+  usage: rbd group snap rename [--pool <pool>] [--namespace <namespace>] 
+                               [--group <group>] [--snap <snap>] 
+                               [--dest-snap <dest-snap>] 
+                               <group-snap-spec> <dest-snap> 
+  
+  Rename group's snapshot.
+  
+  Positional arguments
+    <group-snap-spec>    group specification
+                         (example:
+                         [<pool-name>/[<namespace>/]]<group-name>@<snap-name>)
+    <dest-snap>          destination snapshot name
+                         (example: <snap-name>)
+  
+  Optional arguments
+    -p [ --pool ] arg    pool name
+    --namespace arg      namespace name
+    --group arg          group name
+    --snap arg           snapshot name
+    --dest-snap arg      destination snapshot name
+  
+  rbd help group snap rollback
+  usage: rbd group snap rollback [--no-progress] [--pool <pool>] 
+                                 [--namespace <namespace>] [--group <group>] 
+                                 [--snap <snap>] 
+                                 <group-snap-spec> 
+  
+  Rollback group to snapshot.
+  
+  Positional arguments
+    <group-snap-spec>    group specification
+                         (example:
+                         [<pool-name>/[<namespace>/]]<group-name>@<snap-name>)
+  
+  Optional arguments
+    --no-progress        disable progress output
+    -p [ --pool ] arg    pool name
+    --namespace arg      namespace name
+    --group arg          group name
+    --snap arg           snapshot name
+  
+  rbd help image-meta get
+  usage: rbd image-meta get [--pool <pool>] [--namespace <namespace>] 
+                            [--image <image>] 
+                            <image-spec> <key> 
+  
+  Image metadata get the value associated with the key.
+  
+  Positional arguments
+    <image-spec>         image specification
+                         (example: [<pool-name>/[<namespace>/]]<image-name>)
+    <key>                image meta key
+  
+  Optional arguments
+    -p [ --pool ] arg    pool name
+    --namespace arg      namespace name
+    --image arg          image name
+  
+  rbd help image-meta list
+  usage: rbd image-meta list [--pool <pool>] [--namespace <namespace>] 
+                             [--image <image>] [--format <format>] 
+                             [--pretty-format] 
+                             <image-spec> 
+  
+  Image metadata list keys with values.
+  
+  Positional arguments
+    <image-spec>         image specification
+                         (example: [<pool-name>/[<namespace>/]]<image-name>)
+  
+  Optional arguments
+    -p [ --pool ] arg    pool name
+    --namespace arg      namespace name
+    --image arg          image name
+    --format arg         output format (plain, json, or xml) [default: plain]
+    --pretty-format      pretty formatting (json and xml)
+  
+  rbd help image-meta remove
+  usage: rbd image-meta remove [--pool <pool>] [--namespace <namespace>] 
+                               [--image <image>] 
+                               <image-spec> <key> 
+  
+  Image metadata remove the key and value associated.
+  
+  Positional arguments
+    <image-spec>         image specification
+                         (example: [<pool-name>/[<namespace>/]]<image-name>)
+    <key>                image meta key
+  
+  Optional arguments
+    -p [ --pool ] arg    pool name
+    --namespace arg      namespace name
+    --image arg          image name
+  
+  rbd help image-meta set
+  usage: rbd image-meta set [--pool <pool>] [--namespace <namespace>] 
+                            [--image <image>] 
+                            <image-spec> <key> <value> 
+  
+  Image metadata set key with value.
+  
+  Positional arguments
+    <image-spec>         image specification
+                         (example: [<pool-name>/[<namespace>/]]<image-name>)
+    <key>                image meta key
+    <value>              image meta value
+  
+  Optional arguments
+    -p [ --pool ] arg    pool name
+    --namespace arg      namespace name
+    --image arg          image name
+  
+  rbd help import
+  usage: rbd import [--path <path>] [--dest-pool <dest-pool>] 
+                    [--dest-namespace <dest-namespace>] [--dest <dest>] 
+                    [--image-format <image-format>] [--new-format] 
+                    [--order <order>] [--object-size <object-size>] 
+                    [--image-feature <image-feature>] [--image-shared] 
+                    [--stripe-unit <stripe-unit>] 
+                    [--stripe-count <stripe-count>] [--data-pool <data-pool>] 
+                    [--mirror-image-mode <mirror-image-mode>] 
+                    [--journal-splay-width <journal-splay-width>] 
+                    [--journal-object-size <journal-object-size>] 
+                    [--journal-pool <journal-pool>] 
+                    [--sparse-size <sparse-size>] [--no-progress] 
+                    [--export-format <export-format>] [--pool <pool>] 
+                    [--image <image>] 
+                    <path-name> <dest-image-spec> 
+  
+  Import image from file.
+  
+  Positional arguments
+    <path-name>               import file (or '-' for stdin)
+    <dest-image-spec>         destination image specification
+                              (example: [<pool-name>/[<namespace>/]]<image-name>)
+  
+  Optional arguments
+    --path arg                import file (or '-' for stdin)
+    --dest-pool arg           destination pool name
+    --dest-namespace arg      destination namespace name
+    --dest arg                destination image name
+    --image-format arg        image format [default: 2]
+    --object-size arg         object size in B/K/M [4K <= object size <= 32M]
+    --image-feature arg       image features
+                              [layering(+), exclusive-lock(+*), object-map(+*),
+                              deep-flatten(+-), journaling(*)]
+    --image-shared            shared image
+    --stripe-unit arg         stripe unit in B/K/M
+    --stripe-count arg        stripe count
+    --data-pool arg           data pool
+    --mirror-image-mode arg   mirror image mode [journal or snapshot]
+    --journal-splay-width arg number of active journal objects
+    --journal-object-size arg size of journal objects [4K <= size <= 64M]
+    --journal-pool arg        pool for journal objects
+    --sparse-size arg         sparse size in B/K/M [default: 4K]
+    --no-progress             disable progress output
+    --export-format arg       format of image file
+  
+  Image Features:
+    (*) supports enabling/disabling on existing images
+    (-) supports disabling-only on existing images
+    (+) enabled by default for new images if features not specified
+  
+  rbd help import-diff
+  usage: rbd import-diff [--path <path>] [--pool <pool>] 
+                         [--namespace <namespace>] [--image <image>] 
+                         [--sparse-size <sparse-size>] [--no-progress] 
+                         <path-name> <image-spec> 
+  
+  Import an incremental diff.
+  
+  Positional arguments
+    <path-name>          import file (or '-' for stdin)
+    <image-spec>         image specification
+                         (example: [<pool-name>/[<namespace>/]]<image-name>)
+  
+  Optional arguments
+    --path arg           import file (or '-' for stdin)
+    -p [ --pool ] arg    pool name
+    --namespace arg      namespace name
+    --image arg          image name
+    --sparse-size arg    sparse size in B/K/M [default: 4K]
+    --no-progress        disable progress output
+  
+  rbd help info
+  usage: rbd info [--pool <pool>] [--namespace <namespace>] [--image <image>] 
+                  [--snap <snap>] [--image-id <image-id>] [--format <format>] 
+                  [--pretty-format] 
+                  <image-or-snap-spec> 
+  
+  Show information about image size, striping, etc.
+  
+  Positional arguments
+    <image-or-snap-spec>  image or snapshot specification
+                          (example:
+                          [<pool-name>/[<namespace>/]]<image-name>[@<snap-name>])
+  
+  Optional arguments
+    -p [ --pool ] arg     pool name
+    --namespace arg       namespace name
+    --image arg           image name
+    --snap arg            snapshot name
+    --image-id arg        image id
+    --format arg          output format (plain, json, or xml) [default: plain]
+    --pretty-format       pretty formatting (json and xml)
+  
+  rbd help journal client disconnect
+  usage: rbd journal client disconnect [--pool <pool>] [--namespace <namespace>] 
+                                       [--image <image>] [--journal <journal>] 
+                                       [--client-id <client-id>] 
+                                       <journal-spec> 
+  
+  Flag image journal client as disconnected.
+  
+  Positional arguments
+    <journal-spec>       journal specification
+                         (example: [<pool-name>/[<namespace>/]]<journal-name>)
+  
+  Optional arguments
+    -p [ --pool ] arg    pool name
+    --namespace arg      namespace name
+    --image arg          image name
+    --journal arg        journal name
+    --client-id arg      client ID (or leave unspecified to disconnect all)
+  
+  rbd help journal export
+  usage: rbd journal export [--pool <pool>] [--namespace <namespace>] 
+                            [--image <image>] [--journal <journal>] 
+                            [--path <path>] [--verbose] [--no-error] 
+                            <source-journal-spec> <path-name> 
+  
+  Export image journal.
+  
+  Positional arguments
+    <source-journal-spec>  source journal specification
+                           (example: [<pool-name>/[<namespace>/]]<journal-name>)
+    <path-name>            export file (or '-' for stdout)
+  
+  Optional arguments
+    -p [ --pool ] arg      source pool name
+    --namespace arg        source namespace name
+    --image arg            source image name
+    --journal arg          source journal name
+    --path arg             export file (or '-' for stdout)
+    --verbose              be verbose
+    --no-error             continue after error
+  
+  rbd help journal import
+  usage: rbd journal import [--path <path>] [--dest-pool <dest-pool>] 
+                            [--dest-namespace <dest-namespace>] [--dest <dest>] 
+                            [--dest-journal <dest-journal>] [--verbose] 
+                            [--no-error] 
+                            <path-name> <dest-journal-spec> 
+  
+  Import image journal.
+  
+  Positional arguments
+    <path-name>          import file (or '-' for stdin)
+    <dest-journal-spec>  destination journal specification
+                         (example: [<pool-name>/[<namespace>/]]<journal-name>)
+  
+  Optional arguments
+    --path arg           import file (or '-' for stdin)
+    --dest-pool arg      destination pool name
+    --dest-namespace arg destination namespace name
+    --dest arg           destination image name
+    --dest-journal arg   destination journal name
+    --verbose            be verbose
+    --no-error           continue after error
+  
+  rbd help journal info
+  usage: rbd journal info [--pool <pool>] [--namespace <namespace>] 
+                          [--image <image>] [--journal <journal>] 
+                          [--format <format>] [--pretty-format] 
+                          <journal-spec> 
+  
+  Show information about image journal.
+  
+  Positional arguments
+    <journal-spec>       journal specification
+                         (example: [<pool-name>/[<namespace>/]]<journal-name>)
+  
+  Optional arguments
+    -p [ --pool ] arg    pool name
+    --namespace arg      namespace name
+    --image arg          image name
+    --journal arg        journal name
+    --format arg         output format (plain, json, or xml) [default: plain]
+    --pretty-format      pretty formatting (json and xml)
+  
+  rbd help journal inspect
+  usage: rbd journal inspect [--pool <pool>] [--namespace <namespace>] 
+                             [--image <image>] [--journal <journal>] [--verbose] 
+                             <journal-spec> 
+  
+  Inspect image journal for structural errors.
+  
+  Positional arguments
+    <journal-spec>       journal specification
+                         (example: [<pool-name>/[<namespace>/]]<journal-name>)
+  
+  Optional arguments
+    -p [ --pool ] arg    pool name
+    --namespace arg      namespace name
+    --image arg          image name
+    --journal arg        journal name
+    --verbose            be verbose
+  
+  rbd help journal reset
+  usage: rbd journal reset [--pool <pool>] [--namespace <namespace>] 
+                           [--image <image>] [--journal <journal>] 
+                           <journal-spec> 
+  
+  Reset image journal.
+  
+  Positional arguments
+    <journal-spec>       journal specification
+                         (example: [<pool-name>/[<namespace>/]]<journal-name>)
+  
+  Optional arguments
+    -p [ --pool ] arg    pool name
+    --namespace arg      namespace name
+    --image arg          image name
+    --journal arg        journal name
+  
+  rbd help journal status
+  usage: rbd journal status [--pool <pool>] [--namespace <namespace>] 
+                            [--image <image>] [--journal <journal>] 
+                            [--format <format>] [--pretty-format] 
+                            <journal-spec> 
+  
+  Show status of image journal.
+  
+  Positional arguments
+    <journal-spec>       journal specification
+                         (example: [<pool-name>/[<namespace>/]]<journal-name>)
+  
+  Optional arguments
+    -p [ --pool ] arg    pool name
+    --namespace arg      namespace name
+    --image arg          image name
+    --journal arg        journal name
+    --format arg         output format (plain, json, or xml) [default: plain]
+    --pretty-format      pretty formatting (json and xml)
+  
+  rbd help list
+  usage: rbd list [--long] [--pool <pool>] [--namespace <namespace>] 
+                  [--format <format>] [--pretty-format] 
+                  <pool-spec> 
+  
+  List rbd images.
+  
+  Positional arguments
+    <pool-spec>          pool specification
+                         (example: <pool-name>[/<namespace>]
+  
+  Optional arguments
+    -l [ --long ]        long listing format
+    -p [ --pool ] arg    pool name
+    --namespace arg      namespace name
+    --format arg         output format (plain, json, or xml) [default: plain]
+    --pretty-format      pretty formatting (json and xml)
+  
+  rbd help lock add
+  usage: rbd lock add [--pool <pool>] [--namespace <namespace>] 
+                      [--image <image>] [--shared <shared>] 
+                      <image-spec> <lock-id> 
+  
+  Take a lock on an image.
+  
+  Positional arguments
+    <image-spec>         image specification
+                         (example: [<pool-name>/[<namespace>/]]<image-name>)
+    <lock-id>            unique lock id
+  
+  Optional arguments
+    -p [ --pool ] arg    pool name
+    --namespace arg      namespace name
+    --image arg          image name
+    --shared arg         shared lock tag
+  
+  rbd help lock list
+  usage: rbd lock list [--pool <pool>] [--namespace <namespace>] 
+                       [--image <image>] [--format <format>] [--pretty-format] 
+                       <image-spec> 
+  
+  Show locks held on an image.
+  
+  Positional arguments
+    <image-spec>         image specification
+                         (example: [<pool-name>/[<namespace>/]]<image-name>)
+  
+  Optional arguments
+    -p [ --pool ] arg    pool name
+    --namespace arg      namespace name
+    --image arg          image name
+    --format arg         output format (plain, json, or xml) [default: plain]
+    --pretty-format      pretty formatting (json and xml)
+  
+  rbd help lock remove
+  usage: rbd lock remove [--pool <pool>] [--namespace <namespace>] 
+                         [--image <image>] 
+                         <image-spec> <lock-id> <locker> 
+  
+  Release a lock on an image.
+  
+  Positional arguments
+    <image-spec>         image specification
+                         (example: [<pool-name>/[<namespace>/]]<image-name>)
+    <lock-id>            unique lock id
+    <locker>             locker client
+  
+  Optional arguments
+    -p [ --pool ] arg    pool name
+    --namespace arg      namespace name
+    --image arg          image name
+  
+  rbd help merge-diff
+  usage: rbd merge-diff [--path <path>] [--no-progress] 
+                        <diff1-path> <diff2-path> <path-name> 
+  
+  Merge two diff exports together.
+  
+  Positional arguments
+    <diff1-path>         path to first diff (or '-' for stdin)
+    <diff2-path>         path to second diff
+    <path-name>          path to merged diff (or '-' for stdout)
+  
+  Optional arguments
+    --path arg           path to merged diff (or '-' for stdout)
+    --no-progress        disable progress output
+  
+  rbd help migration abort
+  usage: rbd migration abort [--pool <pool>] [--namespace <namespace>] 
+                             [--image <image>] [--no-progress] 
+                             <image-spec> 
+  
+  Cancel interrupted image migration.
+  
+  Positional arguments
+    <image-spec>         image specification
+                         (example: [<pool-name>/[<namespace>/]]<image-name>)
+  
+  Optional arguments
+    -p [ --pool ] arg    pool name
+    --namespace arg      namespace name
+    --image arg          image name
+    --no-progress        disable progress output
+  
+  rbd help migration commit
+  usage: rbd migration commit [--pool <pool>] [--namespace <namespace>] 
+                              [--image <image>] [--no-progress] [--force] 
+                              <image-spec> 
+  
+  Commit image migration.
+  
+  Positional arguments
+    <image-spec>         image specification
+                         (example: [<pool-name>/[<namespace>/]]<image-name>)
+  
+  Optional arguments
+    -p [ --pool ] arg    pool name
+    --namespace arg      namespace name
+    --image arg          image name
+    --no-progress        disable progress output
+    --force              proceed even if the image has children
+  
+  rbd help migration execute
+  usage: rbd migration execute [--pool <pool>] [--namespace <namespace>] 
+                               [--image <image>] [--no-progress] 
+                               <image-spec> 
+  
+  Execute image migration.
+  
+  Positional arguments
+    <image-spec>         image specification
+                         (example: [<pool-name>/[<namespace>/]]<image-name>)
+  
+  Optional arguments
+    -p [ --pool ] arg    pool name
+    --namespace arg      namespace name
+    --image arg          image name
+    --no-progress        disable progress output
+  
+  rbd help migration prepare
+  usage: rbd migration prepare [--import-only] 
+                               [--source-spec-path <source-spec-path>] 
+                               [--source-spec <source-spec>] [--pool <pool>] 
+                               [--namespace <namespace>] [--image <image>] 
+                               [--snap <snap>] [--dest-pool <dest-pool>] 
+                               [--dest-namespace <dest-namespace>] 
+                               [--dest <dest>] [--image-format <image-format>] 
+                               [--new-format] [--order <order>] 
+                               [--object-size <object-size>] 
+                               [--image-feature <image-feature>] 
+                               [--image-shared] [--stripe-unit <stripe-unit>] 
+                               [--stripe-count <stripe-count>] 
+                               [--data-pool <data-pool>] 
+                               [--mirror-image-mode <mirror-image-mode>] 
+                               [--journal-splay-width <journal-splay-width>] 
+                               [--journal-object-size <journal-object-size>] 
+                               [--journal-pool <journal-pool>] [--flatten] 
+                               <source-image-or-snap-spec> <dest-image-spec> 
+  
+  Prepare image migration.
+  
+  Positional arguments
+    <source-image-or-snap-spec>  source image or snapshot specification
+                                 (example:
+                                 [<pool-name>/[<namespace>/]]<image-name>[@<snap-n
+                                 ame>])
+    <dest-image-spec>            destination image specification
+                                 (example:
+                                 [<pool-name>/[<namespace>/]]<image-name>)
+  
+  Optional arguments
+    --import-only                only import data from source
+    --source-spec-path arg       source-spec file (or '-' for stdin)
+    --source-spec arg            source-spec
+    -p [ --pool ] arg            source pool name
+    --namespace arg              source namespace name
+    --image arg                  source image name
+    --snap arg                   source snapshot name
+    --dest-pool arg              destination pool name
+    --dest-namespace arg         destination namespace name
+    --dest arg                   destination image name
+    --image-format arg           image format [default: 2]
+    --object-size arg            object size in B/K/M [4K <= object size <= 32M]
+    --image-feature arg          image features
+                                 [layering(+), exclusive-lock(+*),
+                                 object-map(+*), deep-flatten(+-), journaling(*)]
+    --image-shared               shared image
+    --stripe-unit arg            stripe unit in B/K/M
+    --stripe-count arg           stripe count
+    --data-pool arg              data pool
+    --mirror-image-mode arg      mirror image mode [journal or snapshot]
+    --journal-splay-width arg    number of active journal objects
+    --journal-object-size arg    size of journal objects [4K <= size <= 64M]
+    --journal-pool arg           pool for journal objects
+    --flatten                    fill clone with parent data (make it independent)
+  
+  Image Features:
+    (*) supports enabling/disabling on existing images
+    (-) supports disabling-only on existing images
+    (+) enabled by default for new images if features not specified
+  
+  rbd help mirror image demote
+  usage: rbd mirror image demote [--pool <pool>] [--namespace <namespace>] 
+                                 [--image <image>] 
+                                 <image-spec> 
+  
+  Demote an image to non-primary for RBD mirroring.
+  
+  Positional arguments
+    <image-spec>         image specification
+                         (example: [<pool-name>/[<namespace>/]]<image-name>)
+  
+  Optional arguments
+    -p [ --pool ] arg    pool name
+    --namespace arg      namespace name
+    --image arg          image name
+  
+  rbd help mirror image disable
+  usage: rbd mirror image disable [--force] [--pool <pool>] 
+                                  [--namespace <namespace>] [--image <image>] 
+                                  <image-spec> 
+  
+  Disable RBD mirroring for an image.
+  
+  Positional arguments
+    <image-spec>         image specification
+                         (example: [<pool-name>/[<namespace>/]]<image-name>)
+  
+  Optional arguments
+    --force              disable even if not primary
+    -p [ --pool ] arg    pool name
+    --namespace arg      namespace name
+    --image arg          image name
+  
+  rbd help mirror image enable
+  usage: rbd mirror image enable [--pool <pool>] [--namespace <namespace>] 
+                                 [--image <image>] 
+                                 <image-spec> [<mode>] 
+  
+  Enable RBD mirroring for an image.
+  
+  Positional arguments
+    <image-spec>         image specification
+                         (example: [<pool-name>/[<namespace>/]]<image-name>)
+    <mode>               mirror image mode (journal or snapshot) [default:
+                         journal]
+  
+  Optional arguments
+    -p [ --pool ] arg    pool name
+    --namespace arg      namespace name
+    --image arg          image name
+  
+  rbd help mirror image promote
+  usage: rbd mirror image promote [--force] [--pool <pool>] 
+                                  [--namespace <namespace>] [--image <image>] 
+                                  <image-spec> 
+  
+  Promote an image to primary for RBD mirroring.
+  
+  Positional arguments
+    <image-spec>         image specification
+                         (example: [<pool-name>/[<namespace>/]]<image-name>)
+  
+  Optional arguments
+    --force              promote even if not cleanly demoted by remote cluster
+    -p [ --pool ] arg    pool name
+    --namespace arg      namespace name
+    --image arg          image name
+  
+  rbd help mirror image resync
+  usage: rbd mirror image resync [--pool <pool>] [--namespace <namespace>] 
+                                 [--image <image>] 
+                                 <image-spec> 
+  
+  Force resync to primary image for RBD mirroring.
+  
+  Positional arguments
+    <image-spec>         image specification
+                         (example: [<pool-name>/[<namespace>/]]<image-name>)
+  
+  Optional arguments
+    -p [ --pool ] arg    pool name
+    --namespace arg      namespace name
+    --image arg          image name
+  
+  rbd help mirror image snapshot
+  usage: rbd mirror image snapshot [--pool <pool>] [--namespace <namespace>] 
+                                   [--image <image>] [--skip-quiesce] 
+                                   [--ignore-quiesce-error] 
+                                   <image-spec> 
+  
+  Create RBD mirroring image snapshot.
+  
+  Positional arguments
+    <image-spec>            image specification
+                            (example: [<pool-name>/[<namespace>/]]<image-name>)
+  
+  Optional arguments
+    -p [ --pool ] arg       pool name
+    --namespace arg         namespace name
+    --image arg             image name
+    --skip-quiesce          do not run quiesce hooks
+    --ignore-quiesce-error  ignore quiesce hook error
+  
+  rbd help mirror image status
+  usage: rbd mirror image status [--pool <pool>] [--namespace <namespace>] 
+                                 [--image <image>] [--format <format>] 
+                                 [--pretty-format] 
+                                 <image-spec> 
+  
+  Show RBD mirroring status for an image.
+  
+  Positional arguments
+    <image-spec>         image specification
+                         (example: [<pool-name>/[<namespace>/]]<image-name>)
+  
+  Optional arguments
+    -p [ --pool ] arg    pool name
+    --namespace arg      namespace name
+    --image arg          image name
+    --format arg         output format (plain, json, or xml) [default: plain]
+    --pretty-format      pretty formatting (json and xml)
+  
+  rbd help mirror pool demote
+  usage: rbd mirror pool demote [--pool <pool>] [--namespace <namespace>] 
+                                <pool-spec> 
+  
+  Demote all primary images in the pool.
+  
+  Positional arguments
+    <pool-spec>          pool specification
+                         (example: <pool-name>[/<namespace>]
+  
+  Optional arguments
+    -p [ --pool ] arg    pool name
+    --namespace arg      namespace name
+  
+  rbd help mirror pool disable
+  usage: rbd mirror pool disable [--pool <pool>] [--namespace <namespace>] 
+                                 <pool-spec> 
+  
+  Disable RBD mirroring by default within a pool.
+  
+  Positional arguments
+    <pool-spec>          pool specification
+                         (example: <pool-name>[/<namespace>]
+  
+  Optional arguments
+    -p [ --pool ] arg    pool name
+    --namespace arg      namespace name
+  
+  rbd help mirror pool enable
+  usage: rbd mirror pool enable [--pool <pool>] [--namespace <namespace>] 
+                                [--site-name <site-name>] 
+                                <pool-spec> <mode> 
+  
+  Enable RBD mirroring by default within a pool.
+  
+  Positional arguments
+    <pool-spec>          pool specification
+                         (example: <pool-name>[/<namespace>]
+    <mode>               mirror mode [image or pool]
+  
+  Optional arguments
+    -p [ --pool ] arg    pool name
+    --namespace arg      namespace name
+    --site-name arg      local site name
+  
+  rbd help mirror pool info
+  usage: rbd mirror pool info [--pool <pool>] [--namespace <namespace>] 
+                              [--format <format>] [--pretty-format] [--all] 
+                              <pool-spec> 
+  
+  Show information about the pool mirroring configuration.
+  
+  Positional arguments
+    <pool-spec>          pool specification
+                         (example: <pool-name>[/<namespace>]
+  
+  Optional arguments
+    -p [ --pool ] arg    pool name
+    --namespace arg      namespace name
+    --format arg         output format (plain, json, or xml) [default: plain]
+    --pretty-format      pretty formatting (json and xml)
+    --all                list all attributes
+  
+  rbd help mirror pool peer add
+  usage: rbd mirror pool peer add [--pool <pool>] 
+                                  [--remote-client-name <remote-client-name>] 
+                                  [--remote-cluster <remote-cluster>] 
+                                  [--remote-mon-host <remote-mon-host>] 
+                                  [--remote-key-file <remote-key-file>] 
+                                  [--direction <direction>] 
+                                  <pool-name> <remote-cluster-spec> 
+  
+  Add a mirroring peer to a pool.
+  
+  Positional arguments
+    <pool-name>              pool name
+    <remote-cluster-spec>    remote cluster spec
+                             (example: [<client name>@]<cluster name>)
+  
+  Optional arguments
+    -p [ --pool ] arg        pool name
+    --remote-client-name arg remote client name
+    --remote-cluster arg     remote cluster name
+    --remote-mon-host arg    remote mon host(s)
+    --remote-key-file arg    path to file containing remote key
+    --direction arg          mirroring direction (rx-only, rx-tx)
+                             [default: rx-tx]
+  
+  rbd help mirror pool peer bootstrap create
+  usage: rbd mirror pool peer bootstrap create
+                                        [--pool <pool>] [--site-name <site-name>] 
+                                        <pool-name> 
+  
+  Create a peer bootstrap token to import in a remote cluster
+  
+  Positional arguments
+    <pool-name>          pool name
+  
+  Optional arguments
+    -p [ --pool ] arg    pool name
+    --site-name arg      local site name
+  
+  rbd help mirror pool peer bootstrap import
+  usage: rbd mirror pool peer bootstrap import
+                                        [--pool <pool>] 
+                                        [--site-name <site-name>] 
+                                        [--token-path <token-path>] 
+                                        [--direction <direction>] 
+                                        <pool-name> <token-path> 
+  
+  Import a peer bootstrap token created from a remote cluster
+  
+  Positional arguments
+    <pool-name>          pool name
+    <token-path>         bootstrap token file (or '-' for stdin)
+  
+  Optional arguments
+    -p [ --pool ] arg    pool name
+    --site-name arg      local site name
+    --token-path arg     bootstrap token file (or '-' for stdin)
+    --direction arg      mirroring direction (rx-only, rx-tx)
+                         [default: rx-tx]
+  
+  rbd help mirror pool peer remove
+  usage: rbd mirror pool peer remove [--pool <pool>] 
+                                     <pool-name> <uuid> 
+  
+  Remove a mirroring peer from a pool.
+  
+  Positional arguments
+    <pool-name>          pool name
+    <uuid>               peer uuid
+  
+  Optional arguments
+    -p [ --pool ] arg    pool name
+  
+  rbd help mirror pool peer set
+  usage: rbd mirror pool peer set [--pool <pool>] 
+                                  <pool-name> <uuid> <key> <value> 
+  
+  Update mirroring peer settings.
+  
+  Positional arguments
+    <pool-name>          pool name
+    <uuid>               peer uuid
+    <key>                peer parameter
+                         (direction, site-name, client, mon-host, key-file)
+    <value>              new value for specified key
+                         (rx-only, tx-only, or rx-tx for direction)
+  
+  Optional arguments
+    -p [ --pool ] arg    pool name
+  
+  rbd help mirror pool promote
+  usage: rbd mirror pool promote [--force] [--pool <pool>] 
+                                 [--namespace <namespace>] 
+                                 <pool-spec> 
+  
+  Promote all non-primary images in the pool.
+  
+  Positional arguments
+    <pool-spec>          pool specification
+                         (example: <pool-name>[/<namespace>]
+  
+  Optional arguments
+    --force              promote even if not cleanly demoted by remote cluster
+    -p [ --pool ] arg    pool name
+    --namespace arg      namespace name
+  
+  rbd help mirror pool status
+  usage: rbd mirror pool status [--pool <pool>] [--namespace <namespace>] 
+                                [--format <format>] [--pretty-format] [--verbose] 
+                                <pool-spec> 
+  
+  Show status for all mirrored images in the pool.
+  
+  Positional arguments
+    <pool-spec>          pool specification
+                         (example: <pool-name>[/<namespace>]
+  
+  Optional arguments
+    -p [ --pool ] arg    pool name
+    --namespace arg      namespace name
+    --format arg         output format (plain, json, or xml) [default: plain]
+    --pretty-format      pretty formatting (json and xml)
+    --verbose            be verbose
+  
+  rbd help mirror snapshot schedule add
+  usage: rbd mirror snapshot schedule add
+                                        [--pool <pool>] 
+                                        [--namespace <namespace>] 
+                                        [--image <image>] 
+                                        <interval> [<start-time>] 
+  
+  Add mirror snapshot schedule.
+  
+  Positional arguments
+    <interval>           schedule interval
+    <start-time>         schedule start time
+  
+  Optional arguments
+    -p [ --pool ] arg    pool name
+    --namespace arg      namespace name
+    --image arg          image name
+  
+  rbd help mirror snapshot schedule list
+  usage: rbd mirror snapshot schedule list
+                                        [--pool <pool>] 
+                                        [--namespace <namespace>] 
+                                        [--image <image>] [--recursive] 
+                                        [--format <format>] [--pretty-format] 
+  
+  List mirror snapshot schedule.
+  
+  Optional arguments
+    -p [ --pool ] arg    pool name
+    --namespace arg      namespace name
+    --image arg          image name
+    -R [ --recursive ]   list all schedules
+    --format arg         output format (plain, json, or xml) [default: plain]
+    --pretty-format      pretty formatting (json and xml)
+  
+  rbd help mirror snapshot schedule remove
+  usage: rbd mirror snapshot schedule remove
+                                        [--pool <pool>] 
+                                        [--namespace <namespace>] 
+                                        [--image <image>] 
+                                        [<interval>] [<start-time>] 
+  
+  Remove mirror snapshot schedule.
+  
+  Positional arguments
+    <interval>           schedule interval
+    <start-time>         schedule start time
+  
+  Optional arguments
+    -p [ --pool ] arg    pool name
+    --namespace arg      namespace name
+    --image arg          image name
+  
+  rbd help mirror snapshot schedule status
+  usage: rbd mirror snapshot schedule status
+                                        [--pool <pool>] 
+                                        [--namespace <namespace>] 
+                                        [--image <image>] [--format <format>] 
+                                        [--pretty-format] 
+  
+  Show mirror snapshot schedule status.
+  
+  Optional arguments
+    -p [ --pool ] arg    pool name
+    --namespace arg      namespace name
+    --image arg          image name
+    --format arg         output format (plain, json, or xml) [default: plain]
+    --pretty-format      pretty formatting (json and xml)
+  
+  rbd help namespace create
+  usage: rbd namespace create [--pool <pool>] [--namespace <namespace>] 
+                              <pool-spec> 
+  
+  Create an RBD image namespace.
+  
+  Positional arguments
+    <pool-spec>          pool specification
+                         (example: <pool-name>[/<namespace>]
+  
+  Optional arguments
+    -p [ --pool ] arg    pool name
+    --namespace arg      namespace name
+  
+  rbd help namespace list
+  usage: rbd namespace list [--pool <pool>] [--format <format>] [--pretty-format] 
+                            <pool-name> 
+  
+  List RBD image namespaces.
+  
+  Positional arguments
+    <pool-name>          pool name
+  
+  Optional arguments
+    -p [ --pool ] arg    pool name
+    --format arg         output format (plain, json, or xml) [default: plain]
+    --pretty-format      pretty formatting (json and xml)
+  
+  rbd help namespace remove
+  usage: rbd namespace remove [--pool <pool>] [--namespace <namespace>] 
+                              <pool-spec> 
+  
+  Remove an RBD image namespace.
+  
+  Positional arguments
+    <pool-spec>          pool specification
+                         (example: <pool-name>[/<namespace>]
+  
+  Optional arguments
+    -p [ --pool ] arg    pool name
+    --namespace arg      namespace name
+  
+  rbd help object-map check
+  usage: rbd object-map check [--pool <pool>] [--namespace <namespace>] 
+                              [--image <image>] [--snap <snap>] [--no-progress] 
+                              <image-or-snap-spec> 
+  
+  Verify the object map is correct.
+  
+  Positional arguments
+    <image-or-snap-spec>  image or snapshot specification
+                          (example:
+                          [<pool-name>/[<namespace>/]]<image-name>[@<snap-name>])
+  
+  Optional arguments
+    -p [ --pool ] arg     pool name
+    --namespace arg       namespace name
+    --image arg           image name
+    --snap arg            snapshot name
+    --no-progress         disable progress output
+  
+  rbd help object-map rebuild
+  usage: rbd object-map rebuild [--pool <pool>] [--namespace <namespace>] 
+                                [--image <image>] [--snap <snap>] [--no-progress] 
+                                <image-or-snap-spec> 
+  
+  Rebuild an invalid object map.
+  
+  Positional arguments
+    <image-or-snap-spec>  image or snapshot specification
+                          (example:
+                          [<pool-name>/[<namespace>/]]<image-name>[@<snap-name>])
+  
+  Optional arguments
+    -p [ --pool ] arg     pool name
+    --namespace arg       namespace name
+    --image arg           image name
+    --snap arg            snapshot name
+    --no-progress         disable progress output
+  
+  rbd help perf image iostat
+  usage: rbd perf image iostat [--pool <pool>] [--namespace <namespace>] 
+                               [--iterations <iterations>] [--sort-by <sort-by>] 
+                               [--format <format>] [--pretty-format] 
+                               <pool-spec> 
+  
+  Display image IO statistics.
+  
+  Positional arguments
+    <pool-spec>                pool specification
+                               (example: <pool-name>[/<namespace>]
+  
+  Optional arguments
+    -p [ --pool ] arg          pool name
+    --namespace arg            namespace name
+    --iterations arg           iterations of metric collection [> 0]
+    --sort-by arg (=write_ops) sort-by IO metric (write-ops, read-ops,
+                               write-bytes, read-bytes, write-latency,
+                               read-latency) [default: write-ops]
+    --format arg               output format (plain, json, or xml) [default:
+                               plain]
+    --pretty-format            pretty formatting (json and xml)
+  
+  rbd help perf image iotop
+  usage: rbd perf image iotop [--pool <pool>] [--namespace <namespace>] 
+                              <pool-spec> 
+  
+  Display a top-like IO monitor.
+  
+  Positional arguments
+    <pool-spec>          pool specification
+                         (example: <pool-name>[/<namespace>]
+  
+  Optional arguments
+    -p [ --pool ] arg    pool name
+    --namespace arg      namespace name
+  
+  rbd help persistent-cache flush
+  usage: rbd persistent-cache flush [--pool <pool>] [--namespace <namespace>] 
+                                    [--image <image>] [--image-id <image-id>] 
+                                    <image-spec> 
+  
+  Flush persistent cache.
+  
+  Positional arguments
+    <image-spec>         image specification
+                         (example: [<pool-name>/[<namespace>/]]<image-name>)
+  
+  Optional arguments
+    -p [ --pool ] arg    pool name
+    --namespace arg      namespace name
+    --image arg          image name
+    --image-id arg       image id
+  
+  rbd help persistent-cache invalidate
+  usage: rbd persistent-cache invalidate
+                                        [--pool <pool>] 
+                                        [--namespace <namespace>] 
+                                        [--image <image>] [--image-id <image-id>] 
+                                        <image-spec> 
+  
+  Invalidate (discard) existing / dirty persistent cache.
+  
+  Positional arguments
+    <image-spec>         image specification
+                         (example: [<pool-name>/[<namespace>/]]<image-name>)
+  
+  Optional arguments
+    -p [ --pool ] arg    pool name
+    --namespace arg      namespace name
+    --image arg          image name
+    --image-id arg       image id
+  
+  rbd help pool init
+  usage: rbd pool init [--pool <pool>] [--force] 
+                       <pool-name> 
+  
+  Initialize pool for use by RBD.
+  
+  Positional arguments
+    <pool-name>          pool name
+  
+  Optional arguments
+    -p [ --pool ] arg    pool name
+    --force              force initialize pool for RBD use if registered by
+                         another application
+  
+  rbd help pool stats
+  usage: rbd pool stats [--pool <pool>] [--namespace <namespace>] 
+                        [--format <format>] [--pretty-format] 
+                        <pool-spec> 
+  
+  Display pool statistics.
+  
+  Positional arguments
+    <pool-spec>          pool specification
+                         (example: <pool-name>[/<namespace>]
+  
+  Optional arguments
+    -p [ --pool ] arg    pool name
+    --namespace arg      namespace name
+    --format arg         output format (plain, json, or xml) [default: plain]
+    --pretty-format      pretty formatting (json and xml)
+  
+  Note: legacy v1 images are not included in stats
+  rbd help remove
+  usage: rbd remove [--pool <pool>] [--namespace <namespace>] [--image <image>] 
+                    [--no-progress] 
+                    <image-spec> 
+  
+  Delete an image.
+  
+  Positional arguments
+    <image-spec>         image specification
+                         (example: [<pool-name>/[<namespace>/]]<image-name>)
+  
+  Optional arguments
+    -p [ --pool ] arg    pool name
+    --namespace arg      namespace name
+    --image arg          image name
+    --no-progress        disable progress output
+  
+  rbd help rename
+  usage: rbd rename [--pool <pool>] [--namespace <namespace>] [--image <image>] 
+                    [--dest-pool <dest-pool>] 
+                    [--dest-namespace <dest-namespace>] [--dest <dest>] 
+                    <source-image-spec> <dest-image-spec> 
+  
+  Rename image within pool.
+  
+  Positional arguments
+    <source-image-spec>  source image specification
+                         (example: [<pool-name>/[<namespace>/]]<image-name>)
+    <dest-image-spec>    destination image specification
+                         (example: [<pool-name>/[<namespace>/]]<image-name>)
+  
+  Optional arguments
+    -p [ --pool ] arg    source pool name
+    --namespace arg      source namespace name
+    --image arg          source image name
+    --dest-pool arg      destination pool name
+    --dest-namespace arg destination namespace name
+    --dest arg           destination image name
+  
+  rbd help resize
+  usage: rbd resize [--pool <pool>] [--namespace <namespace>] 
+                    [--image <image>] --size <size> [--allow-shrink] 
+                    [--no-progress] [--encryption-format <encryption-format>] 
+                    [--encryption-passphrase-file <encryption-passphrase-file>] 
+                    <image-spec> 
+  
+  Resize (expand or shrink) image.
+  
+  Positional arguments
+    <image-spec>                     image specification
+                                     (example:
+                                     [<pool-name>/[<namespace>/]]<image-name>)
+  
+  Optional arguments
+    -p [ --pool ] arg                pool name
+    --namespace arg                  namespace name
+    --image arg                      image name
+    -s [ --size ] arg                image size (in M/G/T) [default: M]
+    --allow-shrink                   permit shrinking
+    --no-progress                    disable progress output
+    --encryption-format arg          encryption format (luks, luks1, luks2)
+                                     [default: luks]
+    --encryption-passphrase-file arg path to file containing passphrase for
+                                     unlocking the image
+  
+  rbd help snap create
+  usage: rbd snap create [--pool <pool>] [--namespace <namespace>] 
+                         [--image <image>] [--snap <snap>] [--skip-quiesce] 
+                         [--ignore-quiesce-error] [--no-progress] 
+                         <snap-spec> 
+  
+  Create a snapshot.
+  
+  Positional arguments
+    <snap-spec>             snapshot specification
+                            (example:
+                            [<pool-name>/[<namespace>/]]<image-name>@<snap-name>)
+  
+  Optional arguments
+    -p [ --pool ] arg       pool name
+    --namespace arg         namespace name
+    --image arg             image name
+    --snap arg              snapshot name
+    --skip-quiesce          do not run quiesce hooks
+    --ignore-quiesce-error  ignore quiesce hook error
+    --no-progress           disable progress output
+  
+  rbd help snap limit clear
+  usage: rbd snap limit clear [--pool <pool>] [--namespace <namespace>] 
+                              [--image <image>] 
+                              <image-spec> 
+  
+  Remove snapshot limit.
+  
+  Positional arguments
+    <image-spec>         image specification
+                         (example: [<pool-name>/[<namespace>/]]<image-name>)
+  
+  Optional arguments
+    -p [ --pool ] arg    pool name
+    --namespace arg      namespace name
+    --image arg          image name
+  
+  rbd help snap limit set
+  usage: rbd snap limit set [--pool <pool>] [--namespace <namespace>] 
+                            [--image <image>] [--limit <limit>] 
+                            <image-spec> 
+  
+  Limit the number of snapshots.
+  
+  Positional arguments
+    <image-spec>         image specification
+                         (example: [<pool-name>/[<namespace>/]]<image-name>)
+  
+  Optional arguments
+    -p [ --pool ] arg    pool name
+    --namespace arg      namespace name
+    --image arg          image name
+    --limit arg          maximum allowed snapshot count
+  
+  rbd help snap list
+  usage: rbd snap list [--pool <pool>] [--namespace <namespace>] 
+                       [--image <image>] [--image-id <image-id>] 
+                       [--format <format>] [--pretty-format] [--all] 
+                       <image-spec> 
+  
+  Dump list of image snapshots.
+  
+  Positional arguments
+    <image-spec>         image specification
+                         (example: [<pool-name>/[<namespace>/]]<image-name>)
+  
+  Optional arguments
+    -p [ --pool ] arg    pool name
+    --namespace arg      namespace name
+    --image arg          image name
+    --image-id arg       image id
+    --format arg         output format (plain, json, or xml) [default: plain]
+    --pretty-format      pretty formatting (json and xml)
+    -a [ --all ]         list snapshots from all namespaces
+  
+  rbd help snap protect
+  usage: rbd snap protect [--pool <pool>] [--namespace <namespace>] 
+                          [--image <image>] [--snap <snap>] 
+                          <snap-spec> 
+  
+  Prevent a snapshot from being deleted.
+  
+  Positional arguments
+    <snap-spec>          snapshot specification
+                         (example:
+                         [<pool-name>/[<namespace>/]]<image-name>@<snap-name>)
+  
+  Optional arguments
+    -p [ --pool ] arg    pool name
+    --namespace arg      namespace name
+    --image arg          image name
+    --snap arg           snapshot name
+  
+  rbd help snap purge
+  usage: rbd snap purge [--pool <pool>] [--namespace <namespace>] 
+                        [--image <image>] [--image-id <image-id>] [--no-progress] 
+                        <image-spec> 
+  
+  Delete all unprotected snapshots.
+  
+  Positional arguments
+    <image-spec>         image specification
+                         (example: [<pool-name>/[<namespace>/]]<image-name>)
+  
+  Optional arguments
+    -p [ --pool ] arg    pool name
+    --namespace arg      namespace name
+    --image arg          image name
+    --image-id arg       image id
+    --no-progress        disable progress output
+  
+  rbd help snap remove
+  usage: rbd snap remove [--pool <pool>] [--namespace <namespace>] 
+                         [--image <image>] [--snap <snap>] 
+                         [--image-id <image-id>] [--snap-id <snap-id>] 
+                         [--no-progress] [--force] 
+                         <snap-spec> 
+  
+  Delete a snapshot.
+  
+  Positional arguments
+    <snap-spec>          snapshot specification
+                         (example:
+                         [<pool-name>/[<namespace>/]]<image-name>@<snap-name>)
+  
+  Optional arguments
+    -p [ --pool ] arg    pool name
+    --namespace arg      namespace name
+    --image arg          image name
+    --snap arg           snapshot name
+    --image-id arg       image id
+    --snap-id arg        snapshot id
+    --no-progress        disable progress output
+    --force              flatten children and unprotect snapshot if needed.
+  
+  rbd help snap rename
+  usage: rbd snap rename [--pool <pool>] [--namespace <namespace>] 
+                         [--image <image>] [--snap <snap>] 
+                         [--dest-pool <dest-pool>] 
+                         [--dest-namespace <dest-namespace>] [--dest <dest>] 
+                         [--dest-snap <dest-snap>] 
+                         <source-snap-spec> <dest-snap-spec> 
+  
+  Rename a snapshot.
+  
+  Positional arguments
+    <source-snap-spec>   source snapshot specification
+                         (example:
+                         [<pool-name>/[<namespace>/]]<image-name>@<snap-name>)
+    <dest-snap-spec>     destination snapshot specification
+                         (example:
+                         [<pool-name>/[<namespace>/]]<image-name>@<snap-name>)
+  
+  Optional arguments
+    -p [ --pool ] arg    source pool name
+    --namespace arg      source namespace name
+    --image arg          source image name
+    --snap arg           source snapshot name
+    --dest-pool arg      destination pool name
+    --dest-namespace arg destination namespace name
+    --dest arg           destination image name
+    --dest-snap arg      destination snapshot name
+  
+  rbd help snap rollback
+  usage: rbd snap rollback [--pool <pool>] [--namespace <namespace>] 
+                           [--image <image>] [--snap <snap>] [--no-progress] 
+                           <snap-spec> 
+  
+  Rollback image to snapshot.
+  
+  Positional arguments
+    <snap-spec>          snapshot specification
+                         (example:
+                         [<pool-name>/[<namespace>/]]<image-name>@<snap-name>)
+  
+  Optional arguments
+    -p [ --pool ] arg    pool name
+    --namespace arg      namespace name
+    --image arg          image name
+    --snap arg           snapshot name
+    --no-progress        disable progress output
+  
+  rbd help snap unprotect
+  usage: rbd snap unprotect [--pool <pool>] [--namespace <namespace>] 
+                            [--image <image>] [--snap <snap>] 
+                            [--image-id <image-id>] 
+                            <snap-spec> 
+  
+  Allow a snapshot to be deleted.
+  
+  Positional arguments
+    <snap-spec>          snapshot specification
+                         (example:
+                         [<pool-name>/[<namespace>/]]<image-name>@<snap-name>)
+  
+  Optional arguments
+    -p [ --pool ] arg    pool name
+    --namespace arg      namespace name
+    --image arg          image name
+    --snap arg           snapshot name
+    --image-id arg       image id
+  
+  rbd help sparsify
+  usage: rbd sparsify [--pool <pool>] [--namespace <namespace>] 
+                      [--image <image>] [--no-progress] 
+                      [--sparse-size <sparse-size>] 
+                      <image-spec> 
+  
+  Reclaim space for zeroed image extents.
+  
+  Positional arguments
+    <image-spec>         image specification
+                         (example: [<pool-name>/[<namespace>/]]<image-name>)
+  
+  Optional arguments
+    -p [ --pool ] arg    pool name
+    --namespace arg      namespace name
+    --image arg          image name
+    --no-progress        disable progress output
+    --sparse-size arg    sparse size in B/K/M [default: 4K]
+  
+  rbd help status
+  usage: rbd status [--pool <pool>] [--namespace <namespace>] [--image <image>] 
+                    [--format <format>] [--pretty-format] 
+                    <image-spec> 
+  
+  Show the status of this image.
+  
+  Positional arguments
+    <image-spec>         image specification
+                         (example: [<pool-name>/[<namespace>/]]<image-name>)
+  
+  Optional arguments
+    -p [ --pool ] arg    pool name
+    --namespace arg      namespace name
+    --image arg          image name
+    --format arg         output format (plain, json, or xml) [default: plain]
+    --pretty-format      pretty formatting (json and xml)
+  
+  rbd help trash list
+  usage: rbd trash list [--pool <pool>] [--namespace <namespace>] [--all] 
+                        [--long] [--format <format>] [--pretty-format] 
+                        <pool-spec> 
+  
+  List trash images.
+  
+  Positional arguments
+    <pool-spec>          pool specification
+                         (example: <pool-name>[/<namespace>]
+  
+  Optional arguments
+    -p [ --pool ] arg    pool name
+    --namespace arg      namespace name
+    -a [ --all ]         list images from all sources
+    -l [ --long ]        long listing format
+    --format arg         output format (plain, json, or xml) [default: plain]
+    --pretty-format      pretty formatting (json and xml)
+  
+  rbd help trash move
+  usage: rbd trash move [--pool <pool>] [--namespace <namespace>] 
+                        [--image <image>] [--expires-at <expires-at>] 
+                        <image-spec> 
+  
+  Move an image to the trash.
+  
+  Positional arguments
+    <image-spec>            image specification
+                            (example: [<pool-name>/[<namespace>/]]<image-name>)
+  
+  Optional arguments
+    -p [ --pool ] arg       pool name
+    --namespace arg         namespace name
+    --image arg             image name
+    --expires-at arg (=now) set the expiration time of an image so it can be
+                            purged when it is stale
+  
+  rbd help trash purge
+  usage: rbd trash purge [--pool <pool>] [--namespace <namespace>] 
+                         [--no-progress] [--expired-before <expired-before>] 
+                         [--threshold <threshold>] 
+                         <pool-spec> 
+  
+  Remove all expired images from trash.
+  
+  Positional arguments
+    <pool-spec>           pool specification
+                          (example: <pool-name>[/<namespace>]
+  
+  Optional arguments
+    -p [ --pool ] arg     pool name
+    --namespace arg       namespace name
+    --no-progress         disable progress output
+    --expired-before date purges images that expired before the given date
+    --threshold arg       purges images until the current pool data usage is
+                          reduced to X%, value range: 0.0-1.0
+  
+  rbd help trash purge schedule add
+  usage: rbd trash purge schedule add [--pool <pool>] [--namespace <namespace>] 
+                                      <interval> [<start-time>] 
+  
+  Add trash purge schedule.
+  
+  Positional arguments
+    <interval>           schedule interval
+    <start-time>         schedule start time
+  
+  Optional arguments
+    -p [ --pool ] arg    pool name
+    --namespace arg      namespace name
+  
+  rbd help trash purge schedule list
+  usage: rbd trash purge schedule list [--pool <pool>] [--namespace <namespace>] 
+                                       [--recursive] [--format <format>] 
+                                       [--pretty-format] 
+  
+  List trash purge schedule.
+  
+  Optional arguments
+    -p [ --pool ] arg    pool name
+    --namespace arg      namespace name
+    -R [ --recursive ]   list all schedules
+    --format arg         output format (plain, json, or xml) [default: plain]
+    --pretty-format      pretty formatting (json and xml)
+  
+  rbd help trash purge schedule remove
+  usage: rbd trash purge schedule remove
+                                        [--pool <pool>] [--namespace <namespace>] 
+                                        [<interval>] [<start-time>] 
+  
+  Remove trash purge schedule.
+  
+  Positional arguments
+    <interval>           schedule interval
+    <start-time>         schedule start time
+  
+  Optional arguments
+    -p [ --pool ] arg    pool name
+    --namespace arg      namespace name
+  
+  rbd help trash purge schedule status
+  usage: rbd trash purge schedule status
+                                        [--pool <pool>] 
+                                        [--namespace <namespace>] 
+                                        [--format <format>] [--pretty-format] 
+  
+  Show trash purge schedule status.
+  
+  Optional arguments
+    -p [ --pool ] arg    pool name
+    --namespace arg      namespace name
+    --format arg         output format (plain, json, or xml) [default: plain]
+    --pretty-format      pretty formatting (json and xml)
+  
+  rbd help trash remove
+  usage: rbd trash remove [--pool <pool>] [--namespace <namespace>] 
+                          [--image-id <image-id>] [--no-progress] [--force] 
+                          <image-id> 
+  
+  Remove an image from trash.
+  
+  Positional arguments
+    <image-id>           image id
+                         (example: [<pool-name>/[<namespace>/]]<image-id>)
+  
+  Optional arguments
+    -p [ --pool ] arg    pool name
+    --namespace arg      namespace name
+    --image-id arg       image id
+    --no-progress        disable progress output
+    --force              force remove of non-expired delayed images
+  
+  rbd help trash restore
+  usage: rbd trash restore [--pool <pool>] [--namespace <namespace>] 
+                           [--image-id <image-id>] [--image <image>] 
+                           <image-id> 
+  
+  Restore an image from trash.
+  
+  Positional arguments
+    <image-id>           image id
+                         (example: [<pool-name>/]<image-id>)
+  
+  Optional arguments
+    -p [ --pool ] arg    pool name
+    --namespace arg      namespace name
+    --image-id arg       image id
+    --image arg          image name
+  
+  rbd help watch
+  usage: rbd watch [--pool <pool>] [--namespace <namespace>] [--image <image>] 
+                   <image-spec> 
+  
+  Watch events on image.
+  
+  Positional arguments
+    <image-spec>         image specification
+                         (example: [<pool-name>/[<namespace>/]]<image-name>)
+  
+  Optional arguments
+    -p [ --pool ] arg    pool name
+    --namespace arg      namespace name
+    --image arg          image name
+  
+