On Tue, 2005-01-25 at 08:27 -0500, Tom Georgoulias wrote:
Henrik Storner wrote:
<snip>
Thanks for the explanation of larrd. It helped a lot.
Where do you get the I/O wait information from ?
On RHEL3 (procps-2.0.17-10), there is a value for it in column 14 of vmstat's output, labeled "wa" under "cpu", so I modified a section of larrd-0.43c's vmstat-larrd.pl so it'd recognize this value and use it when dealing with rhel3 systems. I hacked my client's vmstat larrd bf
Actually, that is present in all kernel 2.6 versions, e.g. Mandrake 10.0
and 10.1. I'd love to be able to capture that - I beat on bb-central
for quite a while trying to track it.
Tracking wait state is great for figuring out which boxes need more ram.
--
Daniel J McDonald, CCIE # 2495, CNX
Austin Energy
user-290ce4e24e19@xymon.invalid