Mauricio Tavares schreef op 22-09-2017 8:03:
I have a lv, vmzone/desktop that I use as drive for a kvm guest;
nothing special here. I wanted to restore its snapshot so like I have
done many times before I shut guest down and then
lvconvert --merge vmzone/desktop_snap_20170921
Logical volume vmzone/desktop is used by another device.
Can't merge over open origin volume.
Merging of snapshot vmzone/desktop_snap_20170921 will occur on next
activation
of vmzone/desktop.
What is it really trying to tell me? How to find out which other
device is using it?
Other people will have better answers but I think it will be hard to see
unless it is used by the device mapper for some target.
I hope there is a better answer.
But obviously the "o" means open volume (ie. mounted or something else)
and that means that if you can't find a way to close it next time you
boot the machine it will get merged?
I hope there is a good way to get your usage information (apart from
something like "lsof").
Regards.
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