From: Tomasz Chmielewski <mangoo@wpkg.org>
To: Mark Lord <liml@rtr.ca>
Cc: linux-ide@vger.kernel.org
Subject: Re: strange hdparm results with serverworks and pata-serverworks
Date: Wed, 25 Feb 2009 10:44:13 +0100 [thread overview]
Message-ID: <49A512ED.9080706@wpkg.org> (raw)
In-Reply-To: <49A4771F.5060802@rtr.ca>
Mark Lord schrieb:
> Everything looks configured correctly, so the only explanations
> for the slow (10/20MB/sec) speeds are the CPU/RAM, or other system
> activity.
It's a pretty powerful machine with plenty of RAM, no other activity.
> As for the disparity in initial throughput between the master/slave drives,
> you could try reversing the two drives (swap them on the cable if using
> "cable select", otherwise rejumper the master/slave setup). Then see if
> the
> slow start follows the specific drive to its new position on the cable,
> or if the master ("a") drive is always slower.
Yes, "reversing" the drives makes the master slower (at least initially).
Controller's "feature"?
--
Tomasz Chmielewski
http://wpkg.org
next prev parent reply other threads:[~2009-02-25 9:43 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-23 20:37 strange hdparm results with serverworks and pata-serverworks Tomasz Chmielewski
2009-02-23 20:49 ` Greg Freemyer
2009-02-23 22:10 ` Tomasz Chmielewski
2009-02-24 13:29 ` Mark Lord
2009-02-24 18:37 ` Tomasz Chmielewski
2009-02-24 22:39 ` Mark Lord
2009-02-25 9:44 ` Tomasz Chmielewski [this message]
2009-02-25 16:26 ` Mark Lord
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