Peters, thanks! It was a lot of XML errors. You are right about. But it doesn't work... I've an error about backup type- Operation not supported: incremental backup is not supported yet How is possible describe full backup operation?
On Thu, Jan 21, 2021 at 4:33 PM Peter Krempa <pkre...@redhat.com> wrote: > On Thu, Jan 21, 2021 at 15:42:21 +0300, Andrey Fokin wrote: > > Ok. Sorry. > > > > On Thu, Jan 21, 2021 at 3:38 PM Peter Krempa <pkre...@redhat.com> wrote: > > > > > On Thu, Jan 21, 2021 at 15:16:44 +0300, Andrey Fokin wrote: > > > > Yes, there is an error message. > > > > sudo virsh backup-begin lubuntu2 ./backup.xml > > > > error: XML document failed to validate against schema: Unable to > validate > > > > doc against /usr/share/libvirt/schemas/domainbackup.rng > > > > Element domainbackup has extra content: disk > > > > > > As I've noted in the exact mail you are replying to, I will not offer > > > any further assistance unless you post the question also on > > > libvirt-users@redhat.com list as you did with your original question. > > > This is to archive any discussions for future reference. > > > > > > > On Thu, Jan 21, 2021 at 2:40 PM Peter Krempa <pkre...@redhat.com> > wrote: > > > > > > > > > On Thu, Jan 21, 2021 at 12:34:43 +0100, Peter Krempa wrote: > > > > > > On Thu, Jan 21, 2021 at 14:31:18 +0300, Andrey Fokin wrote: > > > > > > > Peter, thanks. I understood you message about additional > > > configuration > > > > > in > > > > > > > domen settings. It's really interesting, and I'll going to > test it > > > as > > > > > well. > > > > > > > But could you please advise how change backup-begin command XML > > > > > parameters > > > > > > > file to start full backup process? What is wrong in my case and > > > how to > > > > > fix > > > > > > > it? My config below. > > > > > > > Thanks a lot! > > Let me rescue the XML as you've posted it. > > <domainbackup> > <disk name='/var/lib/libvirt/images/lubuntu2.qcow2' type='file'> > <target file='$PWD/scratch1.img'/> > <driver type='raw'/> > </disk> > <disk name='/var/lib/libvirt/images/lubuntu2-1.qcow2' type='file'> > <target file='$PWD/scratch2.img'/> > <driver type='raw'/> > </disk> > </domainbackup> > > > So there are multiple issues here. > > Firstly please refer to the XML documentation, because the mistakes you > have in your are actually documented properly: > > https://libvirt.org/formatbackup.html > > Problems: > > 1) Missing <disks> container around the individual <disk> elements > 2) <disk name=' attribute must contain the disk target (such as 'vda', > 'vdb' refering to the disk in the domain definition, paths are not > allowed. This fact is mentioned in the docs. > 3) If the <target file=' paths are not examples, but you really have > $PWD in there, note that neither virsh nor libvirt will replace it > with the working directory. The XML is used as-is. This then violates > the rule that paths must start with a /. > > So the proper XML then is. Obviously you need to make sure that it's > what you actually meant ... > > <domainbackup> > <disks> > <disk name='hda' type='file'> > <target file='/path/scratch1.img'/> > <driver type='raw'/> > </disk> > <disk name='hdc' type='file'> > <target file='/path/scratch2.img'/> > <driver type='raw'/> > </disk> > </disks> > </domainbackup> > > > e.g. the output files will be raw and not qcow2. > > -- BRG, Andrey
