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Re: [Xen-users] domU -->Failure: failed to start /dev/md1

  • To: Andy Smith <andy@xxxxxxxxxxxxxx>
  • From: Nico Kadel-Garcia <nkadel@xxxxxxxxx>
  • Date: Sat, 01 Sep 2007 21:51:38 +0100
  • Cc: xen-users@xxxxxxxxxxxxxxxxxxx
  • Delivery-date: Sat, 01 Sep 2007 13:51:41 -0700
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Andy Smith wrote:
On Sat, Sep 01, 2007 at 08:46:23PM +0200, Frank wrote:
I don't understand this boot error from the domU:

Begin: Assembling MD array /dev/md1 ...
md: md1 stopped.
mdadm: no devices found for /dev/md1
Failure: failed to start /dev/md1

Why does your domU try to assemble a software RAID at all if..

disk = [ 'file:/vd/domains/xen-etch/disk.img,sda1,w', file:/vd/domains/xen-etch/swap.img,sda2,w' ]

..it only has one block device?

Is this a showstopper for you or does it carry on to boot normally?

Do you have an /etc/mdadm/mdadm.conf in the domU?

Does your domU have mdadm set to run and assemble arrays?

Is there *ANY* reason to do software RAID, LVM, or other filesystem cuteness in a DomU? Except maybe for configuration testing purposes? Let the Dom0 do the work, I'm quite certain it will be more efficient about it.

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