Just wanted to advise that I got bitten by this bug yesterday, using an up to date debian stable (lvm2 2.02.66-5)
In my case, I couldn't access the snapshot or the underlying LV. The solution was to install the kernel from debian testing, reboot, let the merge complete, reboot again to debian stable kernel, un-install new kernel. I would propose that a patch is added to debian stable for lvconvert --merge to confirm support exists in the kernel BEFORE it modifies anything on disk, and to fail/error/etc. Or, if easier, just check the kernel version is less than 2.6.33 which I understand this feature was added to. Or finally, just always error and warn a newer kernel is probably needed, add --force to continue. In any case, I was exceptionally lucky since I did have a copy of the LV (albeit from 15 hours earlier of upgrades/major system changes/etc), and that by upgrading I could recover, and successfully downgrade again. Regards, Adam -- Adam Goryachev Website Managers www.websitemanagers.com.au -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
