RE: [Xen-users] LVM support in Xen unstable

["JHJE (Jan Holst Jensen)" <jhje@xxxxxxxxxxxxxxx>]

> I am testing Xen unstable and now run into unexpected 
> difficulties with lvm support.
> 
> I have started with the source this time and have compiled 
> lvm support 
> into the domU kernel. But when I start the domU the vbd driver cannot 
> connect to the configured volumes. I have tried those syntaxes:
> 
> disk=['phy:/dev/lvmvol01/testhost-boot,sda1,w' ...]
> disk=['phy:lvmvol01/testhost-boot,sda1,w'...]

Hi Dirk.

Are you sure lvm is the right place to look for the cause ? As far as I
can grasp from the above, you are just exporting lvm volumes from dom0
to domU which will see a normal SCSI block device /dev/sda1 (at least
you are using the exact same syntax as I am in Xen 2.0.6 stable). You
don't need an LVM driver in domU for that.

> The error the vbd driver names is "error -22". The domU 
> crashes since it cannot mount a root fs.

There is another thread titled "xenU vbd error -22" - perhaps that will
bring you further than trying to find an lvm cause ?

Hope this helps
-- Jan Holst Jensen, Novo Nordisk A/S, Denmark

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