Re: IBM xSeries RAID / Redhat Advanced Server - disk failure caused whole system to fail

[mark <whitroth cfl rr com>]

> From: Mandy Shaw Notability com
> Date: Tue, 29 Apr 2003 18:44:59 +0100
>
> We have an IBM xSeries box running Linux Advanced Server and with a lot
> of RAIDed disk on it.
>
> On two occasions now we have had (single) disk failures in the RAID set.
>
> I would expect this to allow the system to continue running, issuing
> appropriate warnings so that an engineer was called. In fact the system
> has failed altogether and has required the RAID configuration to be
> brought back up (this is a painful exercise in itself), with a new disk
> in place, before the system is available again.
>
> What are we doing wrong?

More details, please. 

Is it configured with /boot on a seperate partition or drive from /, and is 
/boot RAIDed; are /sbin, /usr/sbin, /lib, and /var, etc, on RAID 
drives...and what was the failure? Are there any messages in 
/var/log/messages as to what the problem was?

	mark

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