[Pkg-libvirt-maintainers] Bug#676328: Fwd: Bug#676328: libvirt-bin: Migration with network disk failed (Invalid relative path)

[Bastian Scholz]

Am 2012-06-11 17:17, schrieb Guido Günther:
> On Mon, Jun 11, 2012 at 02:42:35PM +0200, Bastian Scholz wrote:
>> Sorry,
>>
>> last mail was a little bit too fast. The PATCH for libvirt works
>> only, if "Cache Mode" is manually set to none. If default, it
>> fails with
>>
>> "error: Unsafe migration: Migration may lead to data corruption if
>> disks use cache != none"
>
> I think that's fine and the intended behaviour. Cache mode should be
> none to make this work reliably.

I think it *is* the right behavior at the moment (See below).
My second mail was only as additional info, that it works only
with cache=none, and not with default caching mode, like in my
wrong attached xml.

> That said the sheepdog driver doesn't
> handle the cache attribute at all (nbd does for example). Do you know 
> if
> migration is always safe with sheepdog?

I ask this on the sheepdog mailinglist a few days back.

http://lists.wpkg.org/pipermail/sheepdog/2012-June/004549.html

Short answer: Yes it should, but with cache enabled it is
not tested at the moment.

Cheers

Bastian