On Fri, Jun 30, 2017 at 12:05:47 +0200, Peter Krempa wrote: > On Thu, Jun 22, 2017 at 11:02:41 -0400, Doug Hughes wrote: > > [...] > > > virsh blockcommit $vm $DISK --active --pivot > > > > Normally this works fine, though something went wrong on the 20th. > > something happened to make the blockcommit fail, but the -snap file got > > deleted (note to self - check return code from blockcommit command!) > > > > So now I'm in a state. The domain i still running. but it's running off > > the -snapshot that is in the xml. I googled around for how to recover a > > blockcommit from a deleted snapshot, but didn't find anything. (pointers > > welcome) In fact, it's way simpler. If libvirt still knows about the overlay image (this is necessary only so that it can say the proper things to qemu) you can re-do the block commit: $ virsh list Id Name State ---------------------------------------------------- 3 fedora23 running $ virsh snapshot-create-as --disk-only --no-metadata fedora23 Domain snapshot 1498817916 created $ virsh domblklist fedora23 Target Source ------------------------------------------------ vda /var/lib/libvirt/images/fedora23.1498817916 hda - $ rm /var/lib/libvirt/images/fedora23.1498817916 $ ls /var/lib/libvirt/images/fedora23.1498817916 ls: cannot access '/var/lib/libvirt/images/fedora23.1498817916': No such file or directory $ virsh blockcommit --active --pivot fedora23 vda Successfully pivoted $ virsh domblklist fedora23 Target Source ------------------------------------------------ vda /var/lib/libvirt/images/fedora23.qcow2 hda -
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