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 :: Mailing Lists

[ILUG] Scsi speeds?

[ILUG] Scsi speeds?

Paul Jakma paulj at alphyra.ie
Thu Mar 28 18:01:55 GMT 2002


On Thu, 28 Mar 2002, Declan Moriarty wrote:

> doubtful disks, all built around the rather doubtful Via Apollo MPV3 chipset.
> hda (Maxtor) achieves 7.splash Megs/s and gets lost in any useful dma modes. 

ah.. you obviously have tried hdparm. :) (why dont i read mails 
properly before replying?...) (but have you tried the -c1 and -u1 
options?)

> Hdb achieve 12MB/s. Ringing has been known to occur between disks when 
> thrashed.

ringing? ??

i've an MVP3 board at home, no problems with IDE dma on it. (but it 
has SCSI disks now).

still you, you wont get any miracle speed benefits by buying SCSI
disks (but you will get a nice amount debited to your VISA card). Try 
getting a newish IDE disk and either a new motherboard+CPU or new IDE 
controller.

12MB/s - is that with bonnie? is so it isnt too bad.

--paulj





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