[Fedora-xen] blktap driver for xen-dom0

Pasi Kärkkäinen pasik at iki.fi
Tue Mar 30 06:51:00 UTC 2010


On Tue, Nov 10, 2009 at 09:32:32AM +0200, Pasi Kärkkäinen wrote:
> On Tue, Nov 10, 2009 at 11:38:15AM +0900, ?????? wrote:
> >    I installed xen 3.4.1 & M.young's xendom0 kernel on  fedora 12 beta.
> >    Everying works smoothly for me except that I can't use "tap:aio" for PV
> >    guest.
> >    It seems that blktap driver is not installed (not supported) on dom0
> >    kernel.
> >    I think performance of guest OS is better when is mounted by blktap. Is
> >    there anyway I can use this option?
> > 
> 
> unfortunately blktap2 is not yet available for pvops dom0.
> So atm you should use phy: and lvm-volumes.
> 
> If you know C and linux kernel coding you could help with porting the
> blktap2 driver from 2.6.18 to pv_ops dom0 2.6.31.x :)
> 

blktap2 is now available in pvops dom0 kernels.

-- Pasi



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