[linux-lvm] unable to remove snapshot of raid1 leg
Alexander 'Leo' Bergolth
leo at strike.wu.ac.at
Wed Oct 25 08:47:13 UTC 2017
On 10/24/2017 01:03 PM, Zdenek Kabelac wrote:
> Dne 23.10.2017 v 18:40 Alexander 'Leo' Bergolth napsal(a):
>> On 10/23/2017 04:44 PM, Heinz Mauelshagen wrote:
>>> Removing such per leg snapshot should be possible after the raid1 LV got
>> Hmm. This LV is currently in use. Any chance to remove it with the raid1
>> LV active?
> The one 'risky' idea could be to try 'vgcfgrestore' metadata before taking
> snapshot then (forcibly) remove (dmsetup remove (-f) vg-snapshot) so
> snapshot is no longer referencing origin.
> (force should not be needed - but if some has opened snapshot...)
> Then you should be able to use 'lvchange --refresh vg'
> and finally drop 'left-over' cow volume with dmsetup remove.
> (and make sure snapshot is already gone - if not - try remove again)
Thanks a lot!
I tried this on a test-box. Works perfect!
e-mail ::: Leo.Bergolth (at) wu.ac.at
fax ::: +43-1-31336-906050
location ::: IT-Services | Vienna University of Economics | Austria
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