[linux-lvm] how to copy a snapshot, or restore snapshot without deleting it
zkabelac at redhat.com
Tue Jan 15 10:49:34 UTC 2019
Dne 14. 01. 19 v 23:44 Davis, Matthew napsal(a):
> Hi Zdenek,
> `sudo lvs --version` says :
> LVM version: 2.02.180(2)-RHEL7 (2018-07-20)
> Library version: 1.02.149-RHEL7 (2018-07-20)
> Driver version: 4.37.1
> So that means it's version 2, right?
> (I'm running the latest version of CentOS.)
Hmm - version looks fine
>> $sudo lvconvert --merge centos/mySnap1
>> centos/mySnap1 is not a mergeable logical volume
> Aren't you using some quite ancient version of lvm2 ?
> You need to use lvm2 which does support thin volume merging
Can you paste 'lvs -a' prior this operation ?
If the lvm2 tells you that 'mySnap1' is not mergable LV - then
it likely has no 'origin' to merge into.
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