Re: [Xen-devel] why do I get bad disk write performance in the kernel 3.1?

[Norbert Marx <norbert.marx@xxxxxxx>]

Hello,

I have the same problem and filed a bug: 
http://bugzilla.xen.org/bugzilla/show_bug.cgi?id=1801

[...]
> > I'm execute with file:/, but in xenstore-list, continue with qdisk.
> 
> Please try using losetup to bind your file to /dev/loopN and specifying
> phy:/dev/loopN in your config. That should get you blkback.
> 
> [...]
> > I try with "file://" and result was qdisk again. Do you think is LVM
> > test need?
> 
> That would also be interesting.

With this hints I modified libxl__try_phy_backend and the result was vbd now. 
But something es does not work with /etc/xen/scripts/block. All details can be 
find at http://bugzilla.xen.org/bugzilla/show_bug.cgi?id=1801.

regards,
Norbert

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