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Sep 5, 2015 at 13:34 comment added user @alesc zfs destroy backup@some-date should be enough if you have only a single file system in the pool. Otherwise, consider using something like zfs destroy backup@some-date -r. Be aware that destroying snapshots is a potentially lengthy operation, even though the zfs destroy command may exit quickly. Check man zpool-features for async_destroy and consider enabling it on your pool if it isn't already enabled.
Sep 5, 2015 at 13:27 comment added alesc I was using backtics for inserting the date but it wasn't compatible with this site's markup (which also uses backtics for inline code). So I changed them to apostrophes and forgot to mention that. But $() looks better so I will probably use that. For now, I won't have any automated pruning strategy but will manually delete older snapshots as needed. Is zfs destroy backup@some-date enough to free the space or do I need to perform some other actions?
Sep 5, 2015 at 13:20 vote accept alesc
Sep 5, 2015 at 13:05 history answered user CC BY-SA 3.0