Checking in if anyone has thoughts on this? Thanks, KiranK On Fri, Aug 7, 2015 at 8:53 AM, Silver Sky Soft Services, Inc. < contac...@silverskysoft.com> 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 > Domain snapshot SNAP_2015-08-07-090909 created > > [root@localhost scripts]# virsh domblklist centos_nfs > Target Source > ------------------------------------------------ > vda /var/lib/libvirt/images/centos_nfs.SNAP_2015-08-07-090909 > vdb > /var/lib/libvirt/images/centos_nfs_storage.SNAP_2015-08-07-090909 > hdc - > > > [root@localhost scripts]# virsh snapshot-create-as --domain centos_nfs > --name SNAP_2015-08-07-101010 --no-metadata --disk-only --atomic --diskspec > vdb,snapshot=external,file=/var/lib/libvirt/images/centos_nfs_storage.SNAP_2015-08-07-101010 > Domain snapshot SNAP_2015-08-07-101010 created > > [root@localhost scripts]# virsh domblklist centos_nfs > Target Source > ------------------------------------------------ > vda /var/lib/libvirt/images/centos_nfs.SNAP_2015-08-07-101010 > vdb > /var/lib/libvirt/images/centos_nfs_storage.SNAP_2015-08-07-101010 > hdc - > > Thanks, > KiranK >
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