Hard disk not found since changes

[Andrew.Bridgeman at corusgroup.com]

I have recently changed the Raid settings on my Redhat machine so that it
uses Raid 1+0 instead of just raid 0.  When i go to a command prompt and
run a df -h i cannot see the hard disk devices which normally appear as
/dev/cciss/c0d0 etc  etc. I am running in rescue mode to try and solve this
issue.

Does anyone know how a can get the disks to be seen?
What can i check for?

P.s I have another machine that is up currently using raid 1+0, how can i
check that machine to make sure i have put the raid settings in correctly
on the one that does not work?

Any help would be much appreciated.

Regards

Andrew Bridgeman
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