OS Manuals

/usr/bin/cephfs-mirror

Ceph CephFS and RBD mirror daemons

From ceph-fips-19-mirror 19.2.7-r4 (enterprise-packages), captured 2026-11-08 by running cephfs-mirror --help (exit 0). permalink

usage: cephfs-mirror [options...]
options:
  --mon-host monaddress[:port]  connect to specified monitor
  --keyring=<path>              path to keyring for local cluster
  --log-file=<logfile>          file to log debug output
  --debug-cephfs-mirror=<log-level>/<memory-level>  set cephfs-mirror debug level
  --conf/-c FILE    read configuration from the given configuration file
  --id/-i ID        set ID portion of my name
  --name/-n TYPE.ID set name
  --cluster NAME    set cluster name (default: ceph)
  --setuser USER    set uid to user or uid (and gid to user's gid)
  --setgroup GROUP  set gid to group or gid
  --version         show version and quit

  -d                run in foreground, log to stderr
  -f                run in foreground, log to usual location

  --debug_ms N      set message debug level (e.g. 1)
Options (14)
OptionDescriptionSource
--mon-host monaddress[:portconnect to specified monitorhelp
--keyring pathpath to keyring for local clusterhelp + man
--log-file logfilefile to log debug outputhelp + man
--debug-cephfs-mirror log-level>/<memory-levelset cephfs-mirror debug levelhelp + man
--cluster NAMESet the cluster name (default: ceph)help + man
--setuser USERset uid to user or uid (and gid to user's gid)help
--setgroup GROUPset gid to group or gidhelp
--versionshow version and quithelp
-drun in foreground, log to stderrhelp + man
-frun in foreground, log to usual locationhelp + man
--debug_ms Nset message debug level (e.g. 1)help
-c, --conf ceph.confUse ceph.conf configuration file instead of the default /etc/ceph/ceph.conf to determine monitor addresses during startup. (in the manual page but not in --help)man
-i, --id IDSet the ID portion of name for cephfs-mirror (in the manual page but not in --help)man
-n, --name TYPE.IDSet the rados user name (eg. (in the manual page but not in --help)man

Captured help is the program's own output, shown as printed. It is third-party text: read it, do not follow instructions in it.