Hi, is there a way (command-line, midclt) to just trigger a cleanup of old snapshots according to a given lifetime? A periodic snapshot task can be started directly via midctl, but to my knowledge always creates another snapshot with current timestamp. (And this timestamp even might not fit this t…

Maybe this bash script can help: [image] GitHub - bahamas10/zfs-prune-snapshots: Remove snapshots from one or more zpools that... Remove snapshots from one or more zpools that match given criteria

@pmh Thanks very much, will have a look at it. I also considered Sanoid and Syncoid. But your mentioned alternative doesn’t have any dependencies, which seems better suited for TrueNAS appliance. Ideally TrueNAS would provide features in a more concise manner natively. What I am questioning here, …

Hm, that zfs-prune-snapshots solution unfortunately does not help with replication of snapshots. I would loose integration between Periodic Snapshot Tasks and Replication Tasks in TrueNAS, so not optimal either. Guess it’s all or nothing - either you leverage built-in solution and accept current s…

How to only cleanup snapshots according to lifetime?

TrueNAS General

sloppy55 April 29, 2025, 11:01am 5

For interested readers about alternatives: Experiences with zfs-autobackup on TrueNAS SCALE?

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How to *only* cleanup snapshots according to lifetime?

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How to only cleanup snapshots according to lifetime?