On 9/30/2014 8:31 PM, Tim Aslat wrote:
Harry Putnam wrote on 01/10/2014 09:52:
This is not so easy to find in google searches
How does one go about destroying all but a specific snapshot? The one
I want is somewhere in the middle timewise So not wanting to use
`destroy -r'.
This is in a .zfs/snapshot/* where there are many auto snaps. So
looking for a way besides destroying -r or 1 by 1.
Hi Harry,
Simplest option would be something like
zfs list -t snapshot -o name -H -r filesystem/path > /tmp/snaplist.txt
edit /tmp/snaplist.txt to remove the snapshot you want to keep
for SNAP in `cat /tmp/snaplist.txt`
do
zfs destroy $SNAP
done
Here's an equivalent one liner for you.
zfs list -t snapshot -H <pool> | grep -v "the one you want to exclude" |
awk '{print $1}' | xargs -n 1 zfs destroy
(you should run up to the last pipe and confirm that's what you want
before adding on the xargs. ;)
* warning: if you have replication to a backup server, removing all of
the snapshots for other filesystems will make those replicated snapshots
non-operative.
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