diff options
Diffstat (limited to 'Documentation/nvme-discover.txt')
| -rw-r--r-- | Documentation/nvme-discover.txt | 94 |
1 files changed, 47 insertions, 47 deletions
diff --git a/Documentation/nvme-discover.txt b/Documentation/nvme-discover.txt index a0ffb36..32f10bc 100644 --- a/Documentation/nvme-discover.txt +++ b/Documentation/nvme-discover.txt @@ -8,39 +8,30 @@ nvme-discover - Send Get Log Page request to Discovery Controller. SYNOPSIS -------- [verse] -'nvme discover' - [--transport=<trtype> | -t <trtype>] - [--nqn=<subnqn> | -n <subnqn>] - [--traddr=<traddr> | -a <traddr>] - [--trsvcid=<trsvcid> | -s <trsvcid>] - [--host-traddr=<traddr> | -w <traddr>] - [--host-iface=<iface> | -f <iface>] - [--hostnqn=<hostnqn> | -q <hostnqn>] - [--hostid=<hostid> | -I <hostid>] - [--raw=<filename> | -r <filename>] - [--device=<device> | -d <device>] - [--cfg-file=<cfg> | -C <cfg> ] - [--keep-alive-tmo=<sec> | -k <sec>] - [--reconnect-delay=<#> | -c <#>] - [--ctrl-loss-tmo=<#> | -l <#>] - [--nr-io-queues=<#> | -i <#>] - [--nr-write-queues=<#> | -W <#>] - [--nr-poll-queues=<#> | -P <#>] - [--queue-size=<#> | -Q <#>] - [--keyring=<#> ] - [--tls_key=<#> ] - [--hdr-digest | -g] - [--data-digest | -G] - [--persistent | -p] - [--quiet | -S] - [--tls ] - [--dump-config | -O] - [--output-format=<fmt> | -o <fmt>] - [--force] - [--nbft] - [--no-nbft] - [--nbft-path=<STR>] - [--context=<STR>] +'nvme discover' [--transport=<trtype> | -t <trtype>] + [--nqn=<subnqn> | -n <subnqn>] + [--traddr=<traddr> | -a <traddr>] + [--trsvcid=<trsvcid> | -s <trsvcid>] + [--host-traddr=<traddr> | -w <traddr>] + [--host-iface=<iface> | -f <iface>] + [--hostnqn=<hostnqn> | -q <hostnqn>] + [--hostid=<hostid> | -I <hostid>] + [--raw=<filename> | -r <filename>] + [--device=<device> | -d <device>] + [--cfg-file=<cfg> | -C <cfg>] + [--keep-alive-tmo=<sec> | -k <sec>] + [--reconnect-delay=<#> | -c <#>] + [--ctrl-loss-tmo=<#> | -l <#>] + [--nr-io-queues=<#> | -i <#>] + [--nr-write-queues=<#> | -W <#>] + [--nr-poll-queues=<#> | -P <#>] + [--queue-size=<#> | -Q <#>] [--keyring=<#>] + [--tls_key=<#>] [--hdr-digest | -g] [--data-digest | -G] + [--persistent | -p] [--quiet | -S] [--tls] + [--dump-config | -O] [--output-format=<fmt> | -o <fmt>] + [--force] [--nbft] [--no-nbft] [--nbft-path=<STR>] + [--context=<STR>] + [--output-format=<fmt> | -o <fmt>] [--verbose | -v] DESCRIPTION ----------- @@ -49,7 +40,7 @@ Controller. If no parameters are given, then 'nvme discover' will attempt to find a @SYSCONFDIR@/nvme/discovery.conf file to use to supply a list of -Discovery commands to run. If no @SYSCONFDIR@/nvme/discovery.conf file +Discovery commands to run. If no @SYSCONFDIR@/nvme/discovery.conf file exists, the command will quit with an error. Otherwise, a specific Discovery Controller should be specified using the @@ -61,7 +52,7 @@ BACKGROUND The NVMe-over-Fabrics specification defines the concept of a Discovery Controller that an NVMe Host can query on a fabric network to discover NVMe subsystems contained in NVMe Targets -which it can connect to on the network. The Discovery Controller +which it can connect to on the network. The Discovery Controller will return Discovery Log Pages that provide the NVMe Host with specific information (such as network address and unique subsystem NQN) the NVMe Host can use to issue an @@ -76,7 +67,7 @@ may be used by the Discovery Controller to control what NVMe Target resources are allocated to the NVMe Host for a connection. A Discovery Controller has it's own NQN defined in the NVMe-over-Fabrics -specification, *nqn.2014-08.org.nvmexpress.discovery*. All Discovery +specification, *nqn.2014-08.org.nvmexpress.discovery*. All Discovery Controllers must use this NQN name. This NQN is used by default by nvme-cli for the 'discover' command. @@ -85,7 +76,7 @@ OPTIONS -t <trtype>:: --transport=<trtype>:: This field specifies the network fabric being used for - a NVMe-over-Fabrics network. Current string values include: + a NVMe-over-Fabrics network. Current string values include: + [] |================= @@ -108,7 +99,7 @@ OPTIONS -s <trsvcid>:: --trsvcid=<trsvcid>:: - This field specifies the transport service id. For transports using IP + This field specifies the transport service id. For transports using IP addressing (e.g. rdma) this field is the port number. By default, the IP port number for the RDMA transport is 4420. @@ -223,10 +214,10 @@ OPTIONS --dump-config:: Print out resulting JSON configuration file to stdout. --o <format>:: ---output-format=<format>:: - Set the reporting format to 'normal', 'json', or - 'binary'. Only one output format can be used at a time. +-o <fmt>:: +--output-format=<fmt>:: + Set the reporting format to 'normal', 'json' or 'binary'. Only one + output format can be used at a time. --force:: Disable the built-in persistent discover connection rules. @@ -234,18 +225,27 @@ OPTIONS persistent discovery connection. --nbft:: - Only look at NBFT tables + Only look at NBFT tables --no-nbft:: - Do not look at NBFT tables + Do not look at NBFT tables --nbft-path=<STR>:: - Use a user-defined path to the NBFT tables + Use a user-defined path to the NBFT tables --context <STR>:: Set the execution context to <STR>. This allows to coordinate the management of the global resources. +-o <fmt>:: +--output-format=<fmt>:: + Set the reporting format to 'normal', 'json' or 'binary'. Only one + output format can be used at a time. + +-v:: +--verbose:: + Increase the information detail in the output. + EXAMPLES -------- * Query the Discover Controller with IP4 address 192.168.1.3 for all @@ -272,9 +272,9 @@ Port 4420 is used by default: * Issue a 'nvme discover' command using a @SYSCONFDIR@/nvme/discovery.conf file: + ----------- -# Machine default 'nvme discover' commands. Query the +# Machine default 'nvme discover' commands. Query the # Discovery Controller's two ports (some resources may only -# be accessible on a single port). Note an official +# be accessible on a single port). Note an official # nqn (Host) name defined in the NVMe specification is being used # in this example. -t rdma -a 192.168.69.33 -s 4420 -q nqn.2014-08.com.example:nvme:nvm-subsystem-sn-d78432 |