[Cialug] SLES9 and 3w9500

[Jonathan Bailey]

Found the issue. Apparently older SLES9 kernels didn't work well 
regarding iowait... I upgraded to SP3 and everything is working great now.


Jon


D. Joe Anderson wrote:
> On Thu, Jun 15, 2006 at 10:31:56AM -0500, jcbailey at code0.net wrote:
>   
>> I'm having performance problems with this setup and it seems to be distro
>> specific. On the same controller (3w9500S-4LP) and system, under Ubuntu
>> (default install, auto-detected controller), the load average is about 7
>> while being beaten with bonnie++ in writing and about 2-3 while reading.
>> The system remains responsive.
>>
>> On SLES9, I'm using the binary driver from 3ware (9.3.0.4). The load
>> average while using bonnie++ is 16+ and the load average while writing is
>> 7+.
>>
>> Anyone run into this or have any thoughts? Thanks!
>>     
>
> Nothing specific, but just by way of general brainstorming, I
> wonder what the two kernels are, what the modules or built-in
> drivers are.  Can you run the userland of the one with the
> kernel and modules of the other (should only take copying the
> vmlinuz, initrd, and /lib/modules/kernel-foo/ directories into
> the appropriate places, and setting the boot loader up)?
>
>
>