Re: [libvirt PATCH] qemu: snapshot: delete disk image only if parent snapshot is external

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Fri, Jan 10, 2025 at 04:10:53PM +0100, Peter Krempa wrote:
> On Fri, Jan 10, 2025 at 15:21:21 +0100, Pavel Hrdina wrote:
> > When we are deleting external snapshot that is not active we only need
> > to delete overlay disk image of the parent snapshot. This works
> > correctly even if parent snapshot is external and active as it will have
> > another overlay created when user reverted to that snapshot.
> > 
> > In case the parent snapshot is internal there are no overlay disk images
> > created as everything is stored internally within the disk image. In
> > this case we would delete the actual disk image storing internal
> > snapshots and most likely the original disk image as well resulting in
> > data loss once the VM is shutoff.
> > 
> > Fixes: https://gitlab.com/libvirt/libvirt/-/issues/734
> 
> This definitely requires a NEWS entry as well.

Good point, I'll send it as follow up.

> > Signed-off-by: Pavel Hrdina <phrdina@xxxxxxxxxx>
> > ---
> >  src/qemu/qemu_snapshot.c | 14 ++++++++------
> >  1 file changed, 8 insertions(+), 6 deletions(-)
> 
> Reviewed-by: Peter Krempa <pkrempa@xxxxxxxxxx>
> 

Attachment: signature.asc
Description: PGP signature


[Index of Archives]     [Virt Tools]     [Libvirt Users]     [Lib OS Info]     [Fedora Users]     [Fedora Desktop]     [Fedora SELinux]     [Big List of Linux Books]     [Yosemite News]     [KDE Users]     [Fedora Tools]

  Powered by Linux