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# -*- mode: YAML -*-
---
options:
- name: cephfs_mirror_max_concurrent_directory_syncs
type: uint
level: advanced
desc: maximum number of concurrent snapshot synchronization threads
long_desc: maximum number of directory snapshots that can be synchronized concurrently
by cephfs-mirror daemon. Controls the number of synchronization threads.
default: 3
services:
- cephfs-mirror
min: 1
- name: cephfs_mirror_action_update_interval
type: secs
level: advanced
desc: interval for driving asynchronous mirror actions
long_desc: Interval in seconds to process pending mirror update actions.
default: 2
services:
- cephfs-mirror
min: 1
- name: cephfs_mirror_restart_mirror_on_blocklist_interval
type: secs
level: advanced
desc: interval to restart blocklisted instances
long_desc: Interval in seconds to restart blocklisted mirror instances. Setting
to zero (0) disables restarting blocklisted instances.
default: 30
services:
- cephfs-mirror
min: 0
- name: cephfs_mirror_max_snapshot_sync_per_cycle
type: uint
level: advanced
desc: number of snapshots to mirror in one cycle
long_desc: maximum number of snapshots to mirror when a directory is picked up for
mirroring by worker threads.
default: 3
services:
- cephfs-mirror
min: 1
- name: cephfs_mirror_directory_scan_interval
type: uint
level: advanced
desc: interval to scan directories to mirror snapshots
long_desc: interval in seconds to scan configured directories for snapshot mirroring.
default: 10
services:
- cephfs-mirror
min: 1
- name: cephfs_mirror_max_consecutive_failures_per_directory
type: uint
level: advanced
desc: consecutive failed directory synchronization attempts before marking a directory
as "failed"
long_desc: number of consecutive snapshot synchronization failures to mark a directory
as "failed". failed directories are retried for synchronization less frequently.
default: 10
services:
- cephfs-mirror
min: 0
- name: cephfs_mirror_retry_failed_directories_interval
type: uint
level: advanced
desc: failed directory retry interval for synchronization
long_desc: interval in seconds to retry synchronization for failed directories.
default: 60
services:
- cephfs-mirror
min: 1
- name: cephfs_mirror_restart_mirror_on_failure_interval
type: secs
level: advanced
desc: interval to restart failed mirror instances
long_desc: Interval in seconds to restart failed mirror instances. Setting to zero
(0) disables restarting failed mirror instances.
default: 20
services:
- cephfs-mirror
min: 0
- name: cephfs_mirror_mount_timeout
type: secs
level: advanced
desc: timeout for mounting primary/secondary ceph file system
long_desc: Timeout in seconds for mounting primary or secondary (remote) ceph file system
by the cephfs-mirror daemon. Setting this to a higher value could result in the mirror
daemon getting stalled when mounting a file system if the cluster is not reachable. This
option is used to override the usual client_mount_timeout.
default: 10
services:
- cephfs-mirror
min: 0
- name: cephfs_mirror_perf_stats_prio
type: int
level: advanced
desc: Priority level for mirror daemon replication perf counters
long_desc: The daemon will send perf counter data to the manager daemon if the priority
is not lower than mgr_stats_threshold.
default: 5
services:
- cephfs-mirror
min: 0
max: 11
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