RE: [Xen-devel] lvm management of block devices in dom0 not working as well as it should

[Adam Heath <doogie@xxxxxxxxxxxxx>]

On Sat, 15 Jan 2005, Ian Pratt wrote:

> > kaffe:/home/doogie# swapon -a
> > swapon: /dev/hda: Invalid argument
> >
> > So, do those vbd-* commands actually work?
>
> What happens if you export the device as a partition rather than a whole
> disk?
>
> I certainly recall that this was working at one point. I think it was
> even hooked up such that size changes didn't require the the vbd to be
> destroyed/recreated for xenU to notice.

xen-2:/etc/xen# lvcreate -n foo -L100M space
  Logical volume "foo" created
xen-2:/etc/xen# lvs
...
  foo             space -wi-a- 100.00M
...
xen-2:/etc/xen# xm vbd-create kaffe phy:/dev/space/foo hdd1 w
xen-2:/etc/xen#
kaffe:/home/doogie# dd if=/dev/hdd1 of=/dev/zero bs=1 count=1
dd: opening `/dev/hdd1': No such device or address


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