> On Thu, Feb 21, 2013 at 12:02:18PM +, Dietmar Maurer wrote:
> > > The problem is about cache coherency. Local files work just fine
> > > with cache=writeback, but if you migrate to a different host, you
> > > get the problem that the destination kernel may cache some parts of
> > > the image
On Thu, Feb 21, 2013 at 12:02:18PM +, Dietmar Maurer wrote:
> > The problem is about cache coherency. Local files work just fine with
> > cache=writeback, but if you migrate to a different host, you get the problem
> > that the destination kernel may cache some parts of the image while the
> >
> The problem is about cache coherency. Local files work just fine with
> cache=writeback, but if you migrate to a different host, you get the problem
> that the destination kernel may cache some parts of the image while the source
> is still writing to it. When you do the actual switch to the dest
Am Mittwoch, den 20.02.2013, 15:16 +0100 schrieb Paolo Bonzini:
> Il 20/02/2013 14:46, Kevin Wolf ha scritto:
> >> > Thanks for the fast reply. Can you please elaborate on that (or post a
> >> > link to an explanation): What exactly does the backend have to provide
> >> > that for example cache=wri
Il 20/02/2013 14:46, Kevin Wolf ha scritto:
>> > Thanks for the fast reply. Can you please elaborate on that (or post a
>> > link to an explanation): What exactly does the backend have to provide
>> > that for example cache=writeback can be used? Is there a way to test for
>> > it?
> The problem is
On Wed, Feb 20, 2013 at 02:14:47PM +0100, Tiziano Müller wrote:
> Am Mittwoch, den 20.02.2013, 12:20 +0100 schrieb Kevin Wolf:
> > On Wed, Feb 20, 2013 at 11:47:56AM +0100, Tiziano Müller wrote:
> > > Hi everyone
> > >
> > > According to http://wiki.qemu.org/Migration/Storage section "Image
> > >
Am Mittwoch, den 20.02.2013, 12:20 +0100 schrieb Kevin Wolf:
> On Wed, Feb 20, 2013 at 11:47:56AM +0100, Tiziano Müller wrote:
> > Hi everyone
> >
> > According to http://wiki.qemu.org/Migration/Storage section "Image
> > Formats" qemu can't do live migration without data corruption when using
> >
On Wed, Feb 20, 2013 at 11:47:56AM +0100, Tiziano Müller wrote:
> Hi everyone
>
> According to http://wiki.qemu.org/Migration/Storage section "Image
> Formats" qemu can't do live migration without data corruption when using
> qcow2 or qed due to the metadata caches.
> Wasn't that fixed by commit 0
Hi everyone
According to http://wiki.qemu.org/Migration/Storage section "Image
Formats" qemu can't do live migration without data corruption when using
qcow2 or qed due to the metadata caches.
Wasn't that fixed by commit 06d9260 ?
Also, "Clustered File Systems" does not seem to be up-to-date sinc