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== notnize.net ==
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delete zfs snapshots

linux zfs

Oneliner which lists all snapshots of a dataset, discards those which match against grep an feeds the remaining ones to zfs destroy command

zfs list -o space -t snap -r zstore/homes/martin | cut -d" " -f1 | grep -v NAME | grep -v frequent | xargs -n 1 -t zfs destroy