duplicate software raid with dd?

Les Mikesell lesmikesell at gmail.com
Thu Jun 8 23:32:50 UTC 2006


On Thu, 2006-06-08 at 19:28 -0400, Neal Becker wrote:
> I have 2 drives setup with lvm.  They are basically raid 0 (striped).  One
> is dying.
> 
> I wonder if could duplicate the partitions to a new drive using dd.  I need
> to copy the lvm identity as well.  I'm guessing that is in the boot block
> of the drive?
> 
> So if I have sda, with partitions sda1, sda2, then if I use dd to
> copy /dev/sda, /dev/sda1, /dev/sda2, then swap the drives and I'm good?

/dev/sda is the entire drive, including the boot block, partition table
and all partitions.  You won't need to copy sda1 and sda2 separately.

-- 
 Les Mikesell
   lesmikesell at gmail.com





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