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Re: [dm-devel] Re: LVM on dmraid breakage



Alasdair G Kergon wrote:
On Thu, Aug 02, 2007 at 05:50:51PM -0400, Phillip Susi wrote:
The problem is that lvm is looking at the physical disks at all. It needs to scan the dmraid device, not the underlying disks.
Indeed. Please send the evidence showing where it is going wrong so
we can fix it.

https://bugs.launchpad.net/ubuntu/+source/dmraid/+bug/129285

Note the dm table listing:

nvidia_ajafeffc: 0 625142446 mirror core 2 131072 nosync 2 8:0 0 8:16 0

nvidia_ajafeffc4: 0 464776515 linear 254:2 160360830

nvidia_ajafeffc3: 0 195313 linear 254:2 160156250

nvidia_ajafeffc2: 0 78236550 linear 254:2 81915435

nvidia_ajafeffc1: 0 81915372 linear 254:2 63

volgroup-swap: 0 1843200 linear 8:2 76390784

volgroup-root: 0 76390400 linear 8:2 384

This is do to the fact that the lvm tools open /dev/sd* and look for lvm partitions, which it finds.



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