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Date:      Sat, 27 Apr 2002 15:26:17 +0100
From:      Scott Mitchell <scott.mitchell@mail.com>
To:        atk2@arctic.org
Cc:        freebsd-questions@FreeBSD.ORG
Subject:   Re: checking hard disk -- hdparm like tool?
Message-ID:  <20020427152617.B296@fishballoon.dyndns.org>
In-Reply-To: <20020425171053.2862.qmail@twinlark.arctic.org>; from atk2@arctic.org on Thu, Apr 25, 2002 at 05:10:53PM -0000
References:  <20020425171053.2862.qmail@twinlark.arctic.org>

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On Thu, Apr 25, 2002 at 05:10:53PM -0000, atk2@arctic.org wrote:
> 
> Is there a tool similar to linux hdparm which will report the dma mode and
> read/write performance of an ide hard disk. Trying to ensure that my disk
> is installed correctly...
> 
> Alan

Do 'man ata' and read up on the various sysctl knobs for tuning ATA
performance.  Note that some of these can only be set at boot time, in
/boot/loader.conf.

DMA should be enabled by default for disks... you don't have it sharing a
cable with a slow old CD drive or anything, do you?  Also make sure that
you're using good quality ATA-66 cables and check what's reported in the
boot messages for your controller and drives.

HTH,

	Scott

-- 
===========================================================================
Scott Mitchell          | PGP Key ID | "Eagles may soar, but weasels
Cambridge, England      | 0x54B171B9 |  don't get sucked into jet engines"
scott.mitchell@mail.com | 0xAA775B8B |      -- Anon

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