Multi-boot, partition label conflict

[Mark Komarinski]

On Mon, Dec 19, 2005 at 09:39:57AM -0500, Dan Coutu wrote:
> I'd like to just double check my thinking on a configuration. Here's the 
> setup:
> 
> An HP Itanium machine comes with RHEL AS 4 factory installed on the 
> internal SCSI disk.
> It also contains a fiber channel controller card for use in connecting 
> to an existing SAN.
> I did a new install of RHEL to the SAN (so that it could boot from the 
> SAN rather than
> the local disk) and upon boot it complains because it is trying to mount 
> / and finding that there
> are two partitions with that label, one on the SAN and one on the SCSI disk.
> 
> The ways around this that I see include:
> 
> 1. Use something like Partition Magic to hide the SCSI partition.
> 2. Format the SCSI disk (since it won't be used anyway.)
> 3. Change the /etc/fstab to mount by device name rather than label.
> 4. Change the label on at least one disk.
> 
> Are there other options that I'm missing? Has anyone else run into this?

I'm not up on my Itanium, but by label, do you mean that your /etc/fstab
has something like:

LABEL=/     /               ext3    defaults 1 1

In it?  If so, change the label.  If you're not going to boot the
exiting disk, use e2label to change the label on the existing disk.  You
can then probably mount the existing disk, change the label in
/etc/fstab and you'll be all set.

-Mark
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