----- On Feb 13, 2018, at 1:38 PM, Bernd Lentes bernd.lentes@xxxxxxxxxxxxxxxxxxxxx wrote: > Hi, > > i have the following system: > > pc59093:~ # cat /etc/os-release > NAME="SLES" > VERSION="11.4" > VERSION_ID="11.4" > PRETTY_NAME="SUSE Linux Enterprise Server 11 SP4" > ID="sles" > ANSI_COLOR="0;32" > CPE_NAME="cpe:/o:suse:sles:11:4" > > pc59093:~ # uname -a > Linux pc59093 3.0.101-84-default #1 SMP Tue Oct 18 10:32:51 UTC 2016 (15251d6) > x86_64 x86_64 x86_64 GNU/Linux > > pc59093:~ # rpm -qa|grep -iE 'libvirt|kvm' > libvirt-cim-0.5.12-0.7.16 > libvirt-python-1.2.5-1.102 > libvirt-client-1.2.5-15.3 > kvm-1.4.2-47.1 > sles-kvm_en-pdf-11.4-0.33.1 > libvirt-1.2.5-15.3 > > > I have several guests running with raw files, which is sufficent for me. Now i'd > like to snapshot one guest because i make heavy configuration changes on it. >>From what i read in the net is that libvirt supports snapshoting of raw files >>when the guest is shutdown and the file of the snapshot becomes a qcow2. Right >>? > I try to avoid converting my raw file to a qcow2 file. I can shutdown the guest > for a certain time, that's no problem. I don't need a live snapshot. > But how can i revert to my previous state if my configuration changes go wrong ? > Can i do this with snapshot-revert or do i have to edit the xml file and point > the hd again to the origin raw file ? > What i found in the net wasn't complete clear. > > Thanks. > Hi, i found that: https://dustymabe.com/2015/01/11/qemu-img-backing-files-a-poor-mans-snapshotrollback/ I tried it and it seemed to work, although my root fs was checked after the commit, anything else seemed to work. What do you think of this procedure ? Bernd Helmholtz Zentrum München _______________________________________________ libvirt-users mailing list libvirt-users@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvirt-users
