On Thu, Aug 13, 2015 at 1:16 PM, Eric Blake <eblake@xxxxxxxxxx> wrote: > > On 08/07/2015 09:53 AM, Silver Sky Soft Services, Inc. wrote: > > Hi, > > I'm trying to create a snapshot on a specific disk by using diskspec > > option. However, libvirt/virsh seems to ignore it and takes a snapshot of > > all disks. Am I using this option incorrectly? > > > > In below examples, I'm trying to snapshot only vdb. However even vda is > > getting snapshotted regardless of diskspec. Is this a known issue? > > > > I'm on CentOS 7.1, libvirtd (libvirt) 1.2.8, virsh 1.2.8 > > > > [root@localhost scripts]# virsh domblklist centos_nfs > > Target Source > > ------------------------------------------------ > > vda /var/lib/libvirt/images/centos_nfs.SNAP_2015-08-07-081800 > > vdb /var/lib/libvirt/images/centos_nfs_storage.SNAP_2015-08-07-081800 > > hdc - > > > > [root@localhost scripts]# virsh snapshot-create-as --domain centos_nfs > > --name SNAP_2015-08-07-090909 --no-metadata --disk-only --atomic --diskspec > > vdb,snapshot=external > > This command line did not give a diskspec for vda, so the action for vda > defaults to whatever the <domain> XML says is default for that disk . > > Try giving: > --diskspec vdb,snapshot=external --diskspec vda,snapshot=none > to explicitly override the <domain> defaults for both disks at once. > Thanks Eric. That helped. Although minor note was the option was "snapshot=no" instead of "snapshot=none". Just to put in these archives, the working command: virsh snapshot-create-as --domain cento_os --name snap3 --no-metadata --disk-only --atomic --diskspec vdb,snapshot=no --diskspec vda,snapshot=external -KiranK _______________________________________________ libvirt-users mailing list libvirt-users@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvirt-users
