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ZFS-UPGRADE(8)		FreeBSD	System Manager's Manual		ZFS-UPGRADE(8)

NAME
     zfs-upgrade -- manage on-disk version of ZFS filesystems

SYNOPSIS
     zfs upgrade
     zfs upgrade -v
     zfs upgrade [-r] [-V version] -a|filesystem

DESCRIPTION
     zfs upgrade
       Displays	a list of file systems that are	not the	most recent version.

     zfs upgrade -v
       Displays	a list of currently supported file system versions.

     zfs upgrade [-r] [-V version] -a|filesystem
       Upgrades	file systems to	a new on-disk version.	Once this is done, the
       file systems will no longer be accessible on systems running older ver-
       sions of	ZFS.  zfs send streams generated from new snapshots of these
       file systems cannot be accessed on systems running older	versions of
       ZFS.

       In general, the file system version is independent of the pool version.
       See zpool-features(7) for information on	features of ZFS	storage	pools.

       In some cases, the file system version and the pool version are inter-
       related and the pool version must be upgraded before the	file system
       version can be upgraded.

       -V version  Upgrade to version.	If not specified, upgrade to the most
		   recent version.  This option	can only be used to increase
		   the version number, and only	up to the most recent version
		   supported by	this version of	ZFS.

       -a	   Upgrade all file systems on all imported pools.

       filesystem  Upgrade the specified file system.

       -r	   Upgrade the specified file system and all descendent	file
		   systems.

SEE ALSO
     zpool-upgrade(8)

FreeBSD	13.0			 June 30, 2019			  FreeBSD 13.0

NAME | SYNOPSIS | DESCRIPTION | SEE ALSO

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