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From: Felix von Leitner <leitner@convergence.de>
To: linux-kernel@vger.kernel.org
Subject: Re: Abysmal RAID 0 performance on 2.4.0-test10 for IDE?
Date: Tue, 26 Dec 2000 00:48:43 +0100	[thread overview]
Message-ID: <20001226004843.A6103@convergence.de> (raw)
In-Reply-To: <20001226002944.A6058@convergence.de>
In-Reply-To: <20001226002944.A6058@convergence.de>; from leitner@convergence.de on Tue, Dec 26, 2000 at 12:29:44AM +0100

Thus spake Felix von Leitner (leitner@convergence.de):
> Here is the result of my test program on the strip set:
>   # rb < /dev/md/0
>   30.3 meg/sec
>   #

One more detail: top says the CPU is 50% system when reading from either
one of the disk or raid devices.  That seems awfully high considering
that the Promise controller claims to do UDMA.

Any comments?

Felix
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  reply	other threads:[~2000-12-26  0:19 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2000-12-25 23:29 Abysmal RAID 0 performance on 2.4.0-test10 for IDE? Felix von Leitner
2000-12-25 23:48 ` Felix von Leitner [this message]
2000-12-26 13:58   ` Rik van Riel
2000-12-26  7:39 ` Andreas Dilger
2000-12-27 10:59 ` Ruth Ivimey-Cook
2000-12-27 18:10   ` safemode
     [not found] <20001226172448.A7660@convergence.de>
2000-12-26 16:35 ` Rik van Riel
2000-12-26 19:52   ` Ian Stirling
2000-12-26 20:24     ` Barry K. Nathan
2000-12-27 16:23     ` Paul Jakma
2000-12-28 21:42       ` Tim Wright
2000-12-28 21:57         ` Mathieu Chouquet-Stringer

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