Messages in this thread | | | Date | Mon, 23 Aug 1999 13:32:20 +1000 | From | CaT <> | Subject | Re: Very slow IDE performance |
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On Sun, Aug 22, 1999 at 07:59:06PM -0700, andre@suse.com wrote: > > The slowest DMA mode 2 multiword I have observed on a disk was near > 3.4MB/sec. But this had a disk that did not use its cache and was bloated > with firmware.
I remember I had a seagate that did .17 meg/sec. As near as I can tell it was fubar because when I replaced it with a nice IBM HD I started getting 12.61Meg/sec which is rather more respectable. :)
> > > I had her do hdparm -t , which gave a transfer rate of .38 Megs per > > > second. Any ideas on what could cause this? Unfortunately, I don't > > > > For some of the very very old drives that is believable, but not for > > anything with DMA mode 2. Obvious stuff - is the cache enabled on the > > machine, does hdparm -T (test buffer cache) look believable for a P90 etc
-- CaT (cat@zip.com.au) URL: http://www.zip.com.au/dev/null
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