[CentOS] Recover RAID

[John R Pierce]

Jeff Sadino wrote:
> Hello Everyone,
>
> First time CentOS poster :)  I have CentOS 4 installed on the head 
> node of a Sun Gridengine cluster set up in a RAID.  The head node has 
> four hard drives, and I assume that drives 1 and 2 are in a raid and 
> then drives 3 and 4 are in another raid.  I was trying to expand the 
> OS partition on drive 1 because it was full.  I took drive 1 out, put 
> it in my Fedora 8 box as a secondary drive, booted up into Fedora, and 
> saw it had the partition structure:
> / 8GB
> /var 4GB
> /swap 1GB
> and an "unknown" partition 101.4GB
...


probably LVM.

wow, you made a nice mess.