[Centos] IOWAIT High CPU use

[subsolar at subsolar.org (Paul)]

On Thu, 2005-02-24 at 18:58 -0800, Brian Watters wrote:
> Hello all,
> 
> Just wanting to check in and see if CentOS v3.4 final has found the fix to
> the issues that RedHat v3.0 ES has been having with very high CPU use on
> IOWAIT ??
> 
> IF so what was the fix and or work around? .. We have lots of RH 3.0 servers
> that we are in the process of converting over to CentOS.

I've seen that using WB on a Dell 2400 with a Perc2 RAID controller ...
it's apparently a known issue with certain kernel versions and that
controller, updating the firmware may help.  You may want to checkout
Redhat's bugzilla on that issue.

Paul Berger