Re: [Xen-devel] PV drivers on HVM using Xen 4.1.1

[Alex Bligh <alex@xxxxxxxxxxx>]

--On 27 October 2011 15:10:45 +0100 Ian Campbell <Ian.Campbell@xxxxxxxxxx> 
wrote:
> > We will in production use raw block devices, so that's ok. We were
> > just using files for testing. Is the same restriction there is
> > Xen3.3, because it works there (possibly for the reason below).
> The 2.6.18 kernel has blktap.ko and 3.0 does not, which is going to be a
> big factor. blkback.ko is in both so you should be ok. For testing you
> could try using loopback like Stefano suggests.
So, with apologies for being dense, what disk line should we be using
to use blkback.ko? I'm assuming this is faster than the qemu based
backend? (i.e. what you think xl may fall back to if blktap is not
available)

--
Alex Bligh

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