zfs-release8

Usage

Overview

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.