On Wed, Oct 26, 2011 at 11:03:02PM +0100, M A Young wrote:
> 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.
>
Actually there is:
http://lists.xensource.com/archives/html/xen-users/2011-07/msg00647.html
kernel:
http://xenbits.xensource.com/gitweb/?p=people/dstodden/blktap-dkms.git;a=summary
http://xenbits.xensource.com/gitweb/?p=people/dstodden/linux.git;a=summary
userspace:
http://xenbits.xensource.com/gitweb/?p=people/dstodden/blktap.git;a=summary
Hopefully those help..
-- Pasi
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