Messages in this thread | | | Subject | Re: [Xen-devel] Re: [PATCH v3] xen block backend. | From | Ian Campbell <> | Date | Thu, 21 Apr 2011 09:38:31 +0100 |
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On Thu, 2011-04-21 at 09:06 +0100, Christoph Hellwig wrote: > On Thu, Apr 21, 2011 at 09:03:23AM +0100, Ian Campbell wrote: > > BTW about the only nice property blktap has as it currently stands over > > this plan is that it exports an actual block device from vhd, qcow etc > > files (in some sense blktap is a loopback driver for complex disk image > > file formats). It turns out to occasionally be quite useful to be able > > to mount such files, even on non-virtualisation systems (in its current > > incarnation blktap has no dependency on Xen). > > You can already do that using qemu-nbd today.
Good to know, I'd had a vague feeling this was possible but hadn't looked into how.
> In most cases the image format support in qemu is much better than in the various Xen trees > anyway, with vhd beeing the only one that looks potentially better in Xen.
That's about what I reckon too.
Ian.
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