From: "Dieter Nützel" <Dieter.Nuetzel@hamburg.de>
To: Roy Sigurd Karlsbakk <roy@karlsbakk.net>
Cc: Linux Kernel List <linux-kernel@vger.kernel.org>
Subject: Re: Tuning Linux for high-speed disk subsystems
Date: Fri, 16 Nov 2001 16:24:24 +0100 [thread overview]
Message-ID: <20011116152444Z281189-17408+15080@vger.kernel.org> (raw)
In-Reply-To: <Pine.LNX.4.30.0111161249440.17531-100000@mustard.heime.net>
In-Reply-To: <Pine.LNX.4.30.0111161249440.17531-100000@mustard.heime.net>
Am Freitag, 16. November 2001 12:51 schrieb Roy Sigurd Karlsbakk:
> > Our 100 Gig SCSI raid, consisting of 6 15,000 rpm drives on the
> > motherboard's two SCSI 160 channels gives a full 110MB/sec read and write
> > with RAID 0. With RAID chunks set to 1MB the write accesses go to
> > 160MB/sec and read accesses go to 90MB/sec sustained. This system would
> > make a good motion capture tool. Previous Intel attempts at onboard disk
> > I/O would give 50MB/sec.
>
> How much do you think I can get out of 2x6 15k disks - each 6 disks are on
> their own SCSI-3/160 bus.
As I count your disks may be the double for the best case. I read here on
LKML a post that someone claims that W2k deliever 250 MB/s with such a
configuration. Linux 2.4 should do the same. Ask the SCSI gurus.
Regards,
Dieter
--
Dieter Nützel
Graduate Student, Computer Science
@home: Dieter.Nuetzel@hamburg.de
next prev parent reply other threads:[~2001-11-16 15:24 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-11-16 2:56 Dieter Nützel
2001-11-16 11:51 ` Roy Sigurd Karlsbakk
2001-11-16 15:24 ` Dieter Nützel [this message]
-- strict thread matches above, loose matches on Subject: below --
2001-11-22 10:15 Martin Knoblauch
2001-11-22 16:30 ` Andreas Dilger
[not found] <3B6867E6CB09B24385A73719A50C7C9A79791F@athena.boxxtech.com>
2001-11-16 16:53 ` Marvin Justice
2001-11-13 20:38 Torrey Hoffman
2001-11-13 15:58 Jesse Pollard
2001-11-13 14:29 Roy Sigurd Karlsbakk
2001-11-13 16:43 ` Ragnar Kjørstad
2001-11-13 16:51 ` Alan Cox
2001-11-13 17:59 ` Craig I. Hagan
2001-11-13 16:18 ` Marcelo Tosatti
2001-11-14 10:33 ` Roy Sigurd Karlsbakk
2001-11-14 10:35 ` Roy Sigurd Karlsbakk
2001-11-13 20:00 ` Dan Hollis
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