Re: [Xen-devel] Missing blktap(2) driver in kernel-2.6.32-*.el6.xendom0.x86_64.rpm

[M A Young <m.a.young@xxxxxxxxxxxx>]

On Wed, 26 Oct 2011, M A Young wrote:

> On Sun, 16 Oct 2011, Pasi Kärkkäinen wrote:
>
> > On Sun, Oct 16, 2011 at 08:35:23AM -0400, David Della Vecchia wrote:
> > >    I'm not sure if this belongs here, but someone in the ##xen channel in
> > >    [1]irc.freenode.net told me to message this list and let people know 
> > > about
> > >    and/or inquire as to why the blktap (or better yet blktap2) driver is 
> > > not
> > >    included in M A Young's aforementioned kernels, blkbackend is there but 
> > > it
> > >    does not allow for tap:aio disks in the domU's.
> > >    Thanks,
> The answer is that it isn't there because I haven't got the kernel to compile 
> with it enabled. I may have another look at it, but it may be that it 
> requires too much needs to change to get it working.
As I suspected it will be a fair amount of work to get blktap working on 
RHEL6. It seems that Red Hat have back ported some of the block device 
code from later kernels, and I don't think there is a corresponding blktap 
for those kernels yet.
        Michael Young

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