search for: snapshot_blkdev

I am trying to make a snapshot with this command: virsh snapshot-create vm01 --disk-only --atomic the error is: error: operation failed: Failed to take snapshot: unknown command: 'snapshot_blkdev the error come from the --disk-only argument Did tried to google on the subject but no solid information on the matter. Thanks in advance Regards Rudi -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.centos.org/pipermail/centos-virt/attachments...

...# virsh snapshot-create qcow2 deployment.1 error: argument unsupported: unable to handle disk requests in snapshot 3. i add the parameter '--disk-only', another mistake occurred: # virsh snapshot-create qcow2 deployment.1 --disk-only error: Failed to take snapshot: unknown command: 'snapshot_blkdev' 4. my libvirtd version is 0.9.4 , i update to 1.0.0 , also had this problem # libvirtd --version libvirtd (libvirt) 1.0.0 5. this is my guest below: # ls -l -rw-r--r-- 1 oneadmin oneadmin 1540 2012-11-27 15:27 deployment.0 -rw-r--r-- 1 root root 204 2012-11-27 21:28 d...

...ke the only way to test for the support > in QEMU is to actually > > request a snapshot and see what happens. > > Is this right? > > Unfortunately true for the moment. > Hi, does this command can help with you? virsh qemu-monitor-command vmname --hmp 'help' | grep snapshot_blkdev

...support >> in QEMU is to actually >>> request a snapshot and see what happens. >>> Is this right? >> >> Unfortunately true for the moment. >> > Hi, does this command can help with you? > virsh qemu-monitor-command vmname --hmp 'help' | grep snapshot_blkdev This would work for current versions of qemu, but may not work in the future (as HMP does not guarantee stable output) - parsing QMP output would be more reliable. Furthermore, the 'qemu-monitor-command' is intentionally unsupported, although this particular use is safe because it doesn...

I have an oVirt engine node that currently runs the system on a qcow2 based virtual disk, and an NFS export volume on RAW. I'd like to take a snapshot before a somewhat risky upgrade of oVirt and can't with the raw image attached. Looking at the documentation for the snapshot XML, I created this XML file for the snapshot <domainsnapshot> <name>20120802</name>

Hi everyone, Using the QEMU hypervisor, when a live disk snapshot is requested through libvirt, the request can fail if the underyling qemu binary lacks the snapshotting support. In python, we have something like libvirtError: Operation not supported: live disk snapshot not supported with this QEMU binary I'd like to detect ahead of time if the underlying QEMU can or cannot do