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SubjectRe: Kernel 2.2.14, dirty buffers, stalls in interactivity of system/NFS-clients ...
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Bryan! (sorry to flood you + L-K with messages)

> Again, then the problem is NOT Linux, but the hardware. Because
> this RAID controller is on the same PCI bus as everything else, I
> really think it chokes the PCI on these massive flushes.

Another problem could be - as you point out - PCI bus saturation/flooding,
starving other PCI devices (a bit at least). For this, ensure you have
'passive release' and 'delayed transaction' engaged in the server's BIOS.
Although, being a branded server, these options may not be present, and on
by default. This will require a reboot and visit to the BIOS setup menu,
that's the only trouble. Heh.

- Dan
__________________________
Daniel J Blueman
Undergraduate - BSc Computing Science
UMIST university - Manchester
Direct line: 0161 933 3569
Mobile: 07775 583766
Email: daniel.j.blueman@stud.umist.ac.uk
SMS: daniel.j.blueman@sms.genie.co.uk


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