[CentOS-virt] how do I access an LV on a xen dom0?

Luke S Crawford lsc at prgmr.com
Tue Sep 23 05:05:52 UTC 2008

Tom Diehl <tdiehl at rogueind.com> writes:

> Hi,
> I have a machine running several domU's. It has an LV that is currently
> mounted on dom0, that I would like to access from one of the
> domU's. If I umount the LV and remove it from the fstab on the dom0,
> is there a way I can
> mount it in one of the domU's?

to do it live, the keywords you want are 

 xm block-attach 

but hotplug doesn't always work.  in that case you will need to put it in
the xm config file as a phy:/ device and restart the DomU.  

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