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985798 wrote:Nobody will force you to create or keep snapshots and if you are happy with taking "classic" backups then there may be no need for additional snapshots. And since snapshots will also take up space in your pool, it is usually a good idea to keep them only for a short period and delete them periodically. I like to use snapshots for two purposes:
So, is it necessary to create zfs snapshots even when you already have a full system back up in place?
- create a snapshot, then write that snaptshot to take and destroy it afterwards. that way, you can guarantee that this tape backup is consistent
- create snapshot at regular intervals and keep them around for a few days so that if I need to restore a file from just a day ago I don't have to go back to tapes but can rather fetch it from the snapshot. So that would be in addition to regular backups
Thanks you very much,