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ZFS-UPGRADE(8)		     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 interre-
       lated and the pool version must be upgraded before the file  system  ver-
       sion 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  sup-
		   ported 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 ports 15.quarterly	  July 11, 2022 		  ZFS-UPGRADE(8)

Want to link to this manual page? Use this URL:
<https://man.freebsd.org/cgi/man.cgi?query=zfs-upgrade&sektion=8&manpath=FreeBSD+Ports+15.1.quarterly>

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