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Date:      Tue, 22 Jul 2003 15:24:22 -0600
From:      "Justin T. Gibbs" <gibbs@scsiguy.com>
To:        Don Lewis <truckman@freebsd.org>, ray.taft@jupiterhosting.com
Cc:        freebsd-scsi@freebsd.org
Subject:   Re: Adaptec 2120S Errors
Message-ID:  <625822704.1058909061@aslan.btc.adaptec.com>
In-Reply-To: <200307150209.h6F29mM7028468@gw.catspoiler.org>
References:  <200307150209.h6F29mM7028468@gw.catspoiler.org>

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> Under extreme load one of my Seagate SCSI drives will defer some
> commands "forever", until CAM times out the command and resets the drive
> and/or the SCSI bus.

CAM issues a periodic ordered tag to avoid this problem.  This should
work on any drive that honors the ordered tag attribute.

--
Justin



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