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Re: [Xen-users] XEN newby getting " Error: Device 770 (vbd) could not be connected. Backend device not found."

Hello Roberto,

I have got all my domU partitions on LVM's (on top of RAID's) running
fine with debian (etch + sarge). The domU's however dont know that
theire partitions are running on LVM, they are exported as sdaX:

In xen domain config files:
disk = [ 'phy:vg1/mars-root,sda1,w', 'phy:vg0/mars-swap,sda2,w' ]

fstab of the domU:
/dev/sda1       /               ext3    defaults,errors=remount-ro 0       1
/dev/sda2       none            swap    sw              0       0

You wrote at Mittwoch, 19. April 2006 23:50:

RS> Hi all

RS> I installed XEN 3.0 on Debian following this
RS> tutorial<http://www.howtoforge.com/book/print/1169>.
RS> Everything went fine regarding basic functionality. Next I tried use LVM for
RS> the virtual machine disk storage. That unfortunately didn't work. When I try
RS> to start a vm I get:

RS> Error: Device 770 (vbd) could not be connected. Backend device not found.

RS> Anybody an idea what to do ? I saw in the archive that I am not the first to
RS> get this error message, but I din't find an answer how to solve this
RS> problem.

RS> regards
RS> --
RS> Roberto Saccon


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