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download PDF document: zfs-rename.8.pdf

ZFS-RENAME(8) FreeBSD System Manager's Manual ZFS-RENAME(8)
NAME zfs-rename - rename ZFS dataset
SYNOPSIS zfs rename [-f] filesystem|volume|snapshot filesystem|volume|snapshot zfs rename -p [-f] filesystem|volume filesystem|volume zfs rename -u [-f] filesystem filesystem zfs rename -r snapshot snapshot
DESCRIPTION zfs rename [-f] filesystem|volume|snapshot filesystem|volume|snapshot
zfs rename -p [-f] filesystem|volume filesystem|volume
zfs rename -u [-f] filesystem filesystem Renames the given dataset. The new target can be located anywhere in the ZFS hierarchy, with the exception of snapshots. Snapshots can only be renamed within the parent file system or volume. When renaming a snapshot, the parent file system of the snapshot does not need to be specified as part of the second argument. Renamed file systems can inherit new mount points, in which case they are unmounted and remounted at the new mount point.
-f Force unmount any file systems that need to be unmounted in the process. This flag has no effect if used together with the -u flag.
-p Creates all the nonexistent parent datasets. Datasets created in this manner are automatically mounted according to the mountpoint property inherited from their parent.
-u Do not remount file systems during rename. If a file system's mountpoint property is set to legacy or none, the file system is not unmounted even if this option is not given.
zfs rename -r snapshot snapshot Recursively rename the snapshots of all descendent datasets. Snapshots are the only dataset that can be renamed recursively.
EXAMPLES Example 1: Promoting a ZFS Clone The following commands illustrate how to test out changes to a file system, and then replace the original file system with the changed one, using clones, clone promotion, and renaming: # zfs create pool/project/production populate /pool/project/production with data # zfs snapshot pool/project/production@today # zfs clone pool/project/production@today pool/project/beta make changes to /pool/project/beta and test them # zfs promote pool/project/beta # zfs rename pool/project/production pool/project/legacy # zfs rename pool/project/beta pool/project/production once the legacy version is no longer needed, it can be destroyed # zfs destroy pool/project/legacy
Example 2: Performing a Rolling Snapshot The following example shows how to maintain a history of snapshots with a # zfs rename -r pool/users@3daysago @4daysago # zfs rename -r pool/users@2daysago @3daysago # zfs rename -r pool/users@yesterday @2daysago # zfs rename -r pool/users@today @yesterday # zfs snapshot -r pool/users@today
FreeBSD 14.0-RELEASE-p11 March 16, 2022 FreeBSD 14.0-RELEASE-p11