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bsodmike/zfs-delete-snapshots.sh

Created May 20, 2018 01:42
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FreeNAS ZFS delete snapshots retaining the last 'N' only.
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zfs-delete-snapshots.sh
#!/bin/bash
# Retain last 10 snapshots only.
set -e
zfs list -t snapshot -o name -S creation | grep ^big/media@auto | tail -n +10 | xargs -n 1 zfs destroy -vr
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Dry run with xargs -n 1 echo

Ref: https://serverfault.com/a/340846

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