OS Manuals

/usr/bin/longhorn

FIPS-compliant Longhorn Engine, a lightweight block device storage controller capable of storing the data in a number of replicas.

From longhorn-engine-fips-1.8 1.8.2-r7 (enterprise-packages), captured 2026-11-08 by running longhorn --help (exit 0). permalink

NAME:
   longhorn - A new cli application

USAGE:
   longhorn [global options] command [command options] [arguments...]

VERSION:
   1.8.2

COMMANDS:
   controller
   replica
   sync-agent
   sync-agent-server-reset
   start-with-replicas, start
   add-replica, add
   verify-rebuild-replica, verify-rebuild
   ls-replica, ls
   rm-replica, rm
   update-replica, update
   replica-rebuild-status, rebuild-status
   snapshots, snapshot
   hash
   hash-cancel
   hash-status
   backups, backup
   expand
   unmap-mark-snap-chain-removed, unmap-mark-snap  Enable marking the current snapshot chain as removed before unmapping
   journal
   info
   frontend
   system-backup
   profiler
   version
   help, h                                         Shows a list of commands or help for one command

GLOBAL OPTIONS:
   --url value                   (default: "http://localhost:9501")
   --volume-name value           Name of the volume (for validation purposes)
   --engine-instance-name value  Name of the engine instance (for validation purposes)
   --debug
   --help, -h                    show help
   --version, -v                 print the version
Options (6)
OptionDescriptionSource
--url value(default: "http://localhost:9501")help
--volume-name valueName of the volume (for validation purposes)help
--engine-instance-name valueName of the engine instance (for validation purposes)help
--debughelp
--help, -hshow helphelp
--version, -vprint the versionhelp

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