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ZFS-HOLD(8) FreeBSD System Manager's Manual ZFS-HOLD(8) NAME zfs-hold - hold ZFS snapshots to prevent their removal SYNOPSIS zfs hold [-r] tag snapshot<?> zfs holds [-rHp] snapshot<?> zfs release [-r] tag snapshot<?> DESCRIPTION zfs hold [-r] tag snapshot<?> Adds a single reference, named with the tag argument, to the specified snapshots. Each snapshot has its own tag namespace, and tags must be unique within that space. If a hold exists on a snapshot, attempts to destroy that snapshot by using the zfs destroy command return EBUSY. -r Specifies that a hold with the given tag is applied recursively to the snapshots of all descendent file systems. zfs holds [-rHp] snapshot<?> Lists all existing user references for the given snapshot or snapshots. -r Lists the holds that are set on the named descendent snapshots, in addition to listing the holds on the named snapshot. -H Do not print headers, use tab-delimited output. -p Prints holds timestamps as unix epoch timestamps. zfs release [-r] tag snapshot<?> Removes a single reference, named with the tag argument, from the specified snapshot or snapshots. The tag must already exist for each snapshot. If a hold exists on a snapshot, attempts to destroy that snapshot by using the zfs destroy command return EBUSY. -r Recursively releases a hold with the given tag on the snapshots of all descendent file systems. SEE ALSO zfs-destroy(8) FreeBSD 14.1-RELEASE-p8 June 30, 2019 FreeBSD 14.1-RELEASE-p8