2650 + new BIOS + 2.6.10-ac11 and it *still* crashes

Mark Plaksin happy at usg.edu
Wed Mar 16 14:58:55 CST 2005


Craig Kelley <ckelley at ibnads.com> writes:

> Mark Plaksin wrote:
>
>     Craig Kelley <ckelley at ibnads.com> writes:
>
>         Mark Plaksin wrote:
>
>             Do people have problems with 2650s and 2.4 kernels?  With 2650s and RHEL?
>
>         We have dozens of 2650's with RHEL3's 2.4 kernel running just fine.
>
>     Do these machines see a lot of IO?
>
> Yes, they run backup processes that transfer gigabytes of information nightly over
> the network.  Additionally, the compression takes place on the RAID-5 array, which
> is a lot of simultaneous read/write commands all grouped together.  All of this
> while running a full-scale RDBMS commercial package.  They vary from SMP to UP
> systems.  Hyperthreading is unilaterally turned off.

Fascinating!  You seem to be the only one with rock-solid systems.  Are you
running the latest RHEL3 kernel?  Which version is it?  Besides turning HT
off, have you turned off read and write caching as Matt recommended a while
back?

Thanks for the feedback!




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