zfs-hold — hold
ZFS snapshots to prevent their removal
zfs |
hold [-r]
tag snapshot… |
zfs |
holds [-rHp]
snapshot… |
zfs |
release [-r]
tag snapshot… |
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.