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Re: [Xen-users] bsd disklabel & lvm

  • To: Dylan Martin <dmartin@xxxxxxxxxxxx>
  • From: Nico Kadel-Garcia <nkadel@xxxxxxxxx>
  • Date: Fri, 20 Jul 2007 19:52:51 +0100
  • Cc: Xen Users <xen-users@xxxxxxxxxxxxxxxxxxx>
  • Delivery-date: Fri, 20 Jul 2007 11:46:18 -0700
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Dylan Martin wrote:
Okay, here's another question that no one will be able to answer.

I have an OpenBSD HVM domU, and I wanted to mount its filesystem in
my Linux dom0.  The domU's disk lives on a logical volume.  Kpartx
does detect that partition 4 contains the disklabel, but that's as far
as I get.

I think my fedora kernel just doesn't support disklabels...

Anyone know how this is supposed to work?
So why use them. Disklabels for ext2 and ext3 are useful abut the partitions can still be accessed as /dev/hda1, /dev/VolGroup00/whatever, or if you use "kpartx -a /dev/VolGroup00/whatever" then you can access /dev/mapper/whatever0, /dev/mapper/whatever1, etc.

Or did you do something too clever and use LVM instide of the OpenBSD DomU and need to go through extra arcanery?

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