Alex,

On Thursday, 4. March 2010 13:37:54 you wrote:

Yes I am using LVM.  I'm not entirely sure how to go about messing
with the mounting as you describe, I've never had to do it.  Is this
with the mount command?  I do keep getting an error from lvm,
"incorrect metadata area header checksum", with both chunk=64 and
chunk=256 during the recreate.

Try to create a raw copy of those discs if your budget allows it
before you start fooling around. That way you won't damage
the real array any further and you can "experiment".
Your data should be worth it.

Cheers,
Thomas