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Re: [dm-devel] 4k block LUN problem



On Wed, Jun 13, 2007 at 03:47:15PM -0400, Vassar, Bob wrote:
> I didn't partition the dm device. I used fdisk to create the sda[1]
> partition on the lun. The dm device is then created on sda[1]. I then
> simply mkfs on the dm partition.  
 
If the lun appears as sda, then multipath will present it to you as
a dm multipath device.  Never run anything on /dev/sda - always use
the /dev/mpath one instead.

Then you should do the pvcreate against the /dev/mpath device etc.

Alasdair
-- 
agk redhat com


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