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Date:      Wed, 30 Sep 1998 15:40:02 +0300
From:      Vallo Kallaste <vallo@matti.ee>
To:        current@FreeBSD.ORG
Subject:   Re: ahc & CAM: strange diagnostic
Message-ID:  <19980930154002.A14288@matti.ee>
In-Reply-To: <19980930011432.B15508@keltia.freenix.fr>; from Ollivier Robert on Wed, Sep 30, 1998 at 01:14:32AM %2B0200
References:  <19980929082453.A328@nagual.pp.ru> <xzp90j31010.fsf@yggdrasil.ifi.uio.no> <19980930011432.B15508@keltia.freenix.fr>

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Ollivier Robert <roberto@keltia.freenix.fr> wrote:

> To be honest with Quantum, my brand new Viking II is blazingly fast
> compared to my trusty DCAS and supports the same # of transactions (64). My
> 4 GB DCAS runs at 9 MB/s max whereas the Viking is doing 13 MB/s.
> 
> I haven't tried the new 7200 rpm DDRS IBM drives but I guess they're good
> too.
> 
> Copyright (c) 1992-1998 FreeBSD Inc.
> Copyright (c) 1982, 1986, 1989, 1991, 1993
>         The Regents of the University of California. All rights reserved.
> FreeBSD 3.0-BETA #0: Sun Sep 27 14:53:13 CEST 1998
>     roberto@tara.freenix.org:/src/src/sys/compile/TARA
> [...]
> da0 at ahc0 bus 0 target 6 lun 0
> da0: <QUANTUM VIKING II 4.5WLS 4110> Fixed Direct Access SCSI2 device 
> da0: 40.0MB/s transfers (20.0MHz, offset 8, 16bit), Tagged Queueing Enabled
> da0: 4350MB (8910423 512 byte sectors: 255H 63S/T 554C)
> 
> 203 [1:09] roberto@tara:~> dmesg | grep "tagged openings"
> (da0:ahc0:0:6:0): tagged openings now 63

***

Yea, that means I'm having a good deal. I have two exactly same disks.
BTW, I upgraded my ASUS ncr875 based card firmware and disks firmware also,
because I got several crashes related directly to scsi subsystem. I have done
some tests and now my system seems well working with CAM and all that scsi
stuff.


Vallo Kallaste
vallo@matti.ee

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