Dne 10.2.2014 14:14, Alexander Meshcheryakov napsal(a):
Hello,
I had created snapshot of my /var logical volume a while ago and recently It
occured to me that I don't need saved state anymore and I would like to
reclaim disk space. But I have issued wrong lvconvert --merge command by
mistake instead of proper lvremove.
$ sudo lvconvert --merge VolGroup00/var_snap0
Can't merge over open origin volume
Merging of snapshot var_snap0 will start next activation.
I have figured out at this point that I made mistake. Luckily merge is
postponed as volume is used (mounted) now. But how do I prevent merge from
running upon next reboot? Here is what I have tried:
$ sudo lvremove VolGroup00/var_snap0
Can't remove merging snapshot logical volume "var_snap0"
$ sudo lvchange -an VolGroup00/var_snap0
Change of snapshot var_snap0 will also change its origin LogVol01. Proceed?
[y/n]: n
Logical volume var_snap0 not changed.
I even could not create snapshot of current state to roll back to it after merge
$ sudo lvcreate --size 2G --snapshot -n var_snap1 /dev/mapper/VolGroup00-LogVol01
Snapshots of an origin that has a merging snapshot is not supported
Is there a way to cancel postponed snapshot merge?
vgcfgrestore - you could go via archive to the previous state of metadata.
There is no support for merge aborting - since it might have other 'side'
effects on metadata.
If you know what you are doing - vgcfgrestore is your rescue tool.
Zdenek
_______________________________________________
linux-lvm mailing list
linux-lvm@redhat.com
https://www.redhat.com/mailman/listinfo/linux-lvm
read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
