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alexjj/ZFS Snapshot Deletion

Created April 15, 2015 17:09
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Delete all ZFS Snapshots
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ZFS Snapshot Deletion
zfs list -H -o name -t snapshot | xargs -n1 zfs destroy
@gcclinux
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Recommend to be aware that unless specified a dataset ALL snapshots gets deleted. here is a USER specific example on Ubuntu 20.04:

$ sudo zfs list -H -o name -t snapshot rpool/USERDATA/example | sudo xargs -n1 zfs destroy

@mas90
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mas90 commented Oct 23, 2020

You can also zfs destroy rpool@%.

foo%bar denotes a range of snapshots from foo to bar; omitting either uses the earliest or latest snapshot respectively.

@ergo3d
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ergo3d commented Dec 14, 2020

thanks! works after sudo su

@harry-stark
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So guys a little help here, I deleted all the snapshots cause they were taking up all the space, it worked fine for a while, but now Ubuntu will not boot up showing a sys error "Failed to MARK current zsys boot as successful".Any solutions

@alexjj
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alexjj commented Dec 21, 2020

I suspect it's how ubuntu does things with zsys and you'd be better off asking on ubuntu forums.

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