On Wed, 2 Dec 1998, Mark Lord wrote:
> Here are a pair of 7200rpm Seagate IDE drives as RAID0, using UDMA0:
>
> -------Sequential Output-------- ---Sequential Input-- --Random--
> -Per Char- --Block--- -Rewrite-- -Per Char- --Block--- --Seeks---
> Machine MB K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU /sec %CPU
> 100 16017 89.3 85390 82.6 10960 29.0 14436 66.5 18679 19.3 760.1 4.2
^^^ ^^^^^
> Most of the speed difference is probably due to a faster CPU (P2-400).
Those numbers just set off my bull-shit-o-meter. Is the latest IDE
hardware so good that you can get 42MB/s in sequential block output, or do
you have enough RAM that the sequential output test was all faked out by
write caching?
BTW...no offense intended...I just don't believe the numbers are valid.
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