[CentOS] RAID / OS Monitoring tools ?

> Now I want to be able to monitor the box, specifically with respect
> to the RAID drives so I'll know if one has gone bad and the RAID  
> configuration has failed over to it. Anyone have any suggestions for  
> tools to use ?

We use 3Ware RAID cards, and they have a CLI util called tw_cli. We run
"tw_cli info c0" every hour into a rotating file. Then from crontab we
run a script that diffs the current output to the last hour's output.

If there's a difference, it emails us.



-- 
Spiro Harvey                  Knossos Networks Ltd
021-295-1923                    www.knossos.net.nz