On Jan 7, 2012 8:44 PM, "victor romanchuk" <rom@persimplex.net> wrote:
>
> Konstantinos Agouros wrote, at 01/07/2012 03:51 PM:
> > since xen got into the mainstream kernel the way to go is to use
> > gentoo-sources for dom0 and the domUs. However the blktap modules are
not
> > there. Is there any way to get this to work?
>
> blktap drivers were excluded from kernel mainline since 3.x, these two
threads
> from xen-users mailing list might put some light in that context:
>
>
http://old-list-archives.xen.org/archives/html/xen-users/2011-07/msg00637.html
>
http://old-list-archives.xen.org/archives/html/xen-users/2011-10/msg00065.html
>
> the latest sys-kernel/xen-sources containing working blktap (not blktap2)
is
> 2.6.38 (this is buggy from my point of view; i'm still sitting on
2.6.34-r5 for
> production installations)
>

Can someone shed a light on the importance of blktap, i.e., why one would
want to use it when -- as someone explained in the first email thread you
gave -- blkfront+blkend is enough for paravirtualization?

Rgds,