Split a ZFS clone?
Is it possible to split a zfs clone to allow the original snapshot to be destroyed?
# zfs create zpool1/test1
# zfs snapshot zpool1/test1@snap1
# zfs clone zpool1/test1@snap1 zpool1/test1clone
# zfs destroy zpool1/test1@snap1
cannot destroy 'zpool1/test1@snap1': snapshot has dependent clones
use '-R' to destroy the following datasets:
zpool1/test1clone
#
At this point, it would like to 'actualize' the zpool1/test1clone file system, essentially as if I had performed a zfs send zpool1/test1@snap1 | zfs receive zpool1/test1clone
.
Solution 1:
If you don't want there to be any ties between the child and parent filesystems, you will have to do a zfs send/receive.
Solution 2:
You would need to promote the ZFS clone to a filesystem in order to be able to destroy the original snapshot/filesystem.
zfs promote zpool1/test1clone
Please see: http://download.oracle.com/docs/cd/E19253-01/819-5461/gcvfl/index.html
zfs promote filesystem
Promotes a clone file system to no longer be dependent
on its "origin" snapshot. This makes it possible to des-
troy the file system that the clone was created from.
The clone parent-child dependency relationship is
reversed, so that the "origin" file system becomes a
clone of the specified file system.