From: Denny Page <denny@cococafe.com>
To: Chip Coldwell <coldwell@redhat.com>
Cc: Gerhard Schneider <gs@ilsb.tuwien.ac.at>,
Kai Makisara <Kai.Makisara@kolumbus.fi>,
linux-scsi@vger.kernel.org
Subject: Re: SCSI tape access on 2.6 kernels?
Date: Wed, 25 Jan 2006 08:25:53 -0800 [thread overview]
Message-ID: <43D7A691.1040606@cococafe.com> (raw)
In-Reply-To: <Pine.LNX.4.64.0601251107480.5181@localhost.localdomain>
I agree. In my case, the problem is also initial negation: 3 MB/s :-(.
Denny
Chip Coldwell wrote:
> I'm curious -- what was the impact on performance of disabling direct
> I/O in your case?
>
> I agree with Kai that the biggest performance hit is the 20 MB/s
> negotiated bus speed.
>
> Chip
>
next prev parent reply other threads:[~2006-01-25 16:26 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-01-24 10:42 SCSI tape access on 2.6 kernels? Gerhard Schneider
2006-01-24 12:56 ` Gerhard Schneider
2006-01-24 17:52 ` Chip Coldwell
2006-01-24 20:23 ` Patrick Mansfield
2006-01-24 20:36 ` Chip Coldwell
2006-01-25 21:10 ` Kai Makisara
2006-01-26 16:11 ` Chip Coldwell
2006-01-26 16:39 ` Chip Coldwell
2006-01-26 17:39 ` Dead Adaptec AHA-2940U2/U2W while ripping a CD Mathieu Chouquet-Stringer
2006-01-26 21:54 ` SCSI tape access on 2.6 kernels? Kai Makisara
2006-01-27 15:40 ` Chip Coldwell
2006-01-27 17:56 ` Kai Makisara
2006-01-24 20:56 ` Kai Makisara
2006-01-24 20:58 ` Chip Coldwell
2006-01-24 21:01 ` Gerhard Schneider
2006-01-25 16:08 ` Chip Coldwell
2006-01-25 16:25 ` Denny Page [this message]
2006-01-25 19:03 ` Gerhard Schneider
2006-01-24 19:43 ` Denny Page
2006-01-24 20:50 ` Kai Makisara
2006-01-24 21:12 ` Gerhard Schneider
2006-01-25 21:26 ` Kai Makisara
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