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SubjectLow IDE performance...
Date
Hi,

I am seeing low IDE performance w/ kernel 2.3.42:
I have a Seagate Barracuda ATA, which transfers data at 28.2MB/s on the
outer recording zone on Windows NT. The harddisk is setup as master, alone
on the primary channel running off an Intel BX PIIX4e controller. Kernel
compiled SMP w/ 2x 550MHz iCelerons on an Abit BP6 motherboard.

Before and after I setup the harddisk with DMA and all other tweaks
available from hdparm, I still get ~15MB/s.

Is there any IDE debugging code still in the IDE/block subsystem? - I recall
there being some from earlier kernels.....
After looking for some, I failed to find any - any pointers?

Also, what's the best way to enlarge the buffer-cache and page-cache tables?

Thanks,
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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