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Date:      Tue, 19 Oct 2004 00:43:27 -0600
From:      "Chad Leigh -- Shire.Net LLC" <chad@shire.net>
To:        moose@mmoose.net
Cc:        FreeBSD questions list <freebsd-questions@freebsd.org>
Subject:   Re: CLARiiON Disk Array + 'Suspicious SCSI Data'
Message-ID:  <2E979215-219A-11D9-AA05-003065A70D30@shire.net>
In-Reply-To: <3417.154.20.76.21.1098167920.squirrel@154.20.76.21>
References:  <4173F1D5.7060203@mmoose.net> <9FE41B14-2124-11D9-AA05-003065A70D30@shire.net> <3417.154.20.76.21.1098167920.squirrel@154.20.76.21>

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On Oct 19, 2004, at 12:38 AM, moose@mmoose.net wrote:

>>
>> On Oct 18, 2004, at 10:39 AM, Matty Moose wrote:
>>>
>>> Also, when I shut down the Disk array, the BSD box shows:
>>> (noperiph:sym0:0:-1:-1): SCSI BUS mode change from HVD to LVD.
>>>
>>> I'm not a SCSI expert, and I'm not on sure footing here with LVD vs
>>> HVD, etc. Any help is much appreciated. :)
>>>
>>
>> It is probably a HVD SCSI device and hooked to your single ended card
>> won't work right...  You may want to go to ebay and find an adaptec
>> 2944 or other brand HVD card...  (HVD = High Voltage Differential --
>> the old SCSI Differential standard)
>>
>> Chad
>>
>>
> Great! Thanks Chad!
>
> If I were to buy an HVD card (Currently looking at the 3944AUW series 
> --
> more of them and cheaper), will I need to get an HVD cable as well? I
> currently have a 68-pin external cable - And didn't specify HVD or LVD 
> -
> Any problems in using that for HVD devices?

Hi..  You need to make sure that you have a HVD terminator.  Probably 
NOT built into your device (but could be I guess).  The cable is 
probably OK.  I am not an expert on HVD.  I ran a system or two with a 
bunch of internal HVD disks I got cheap but that is the extent of it...

best
Chad

>
> Thanks again,
> Matt
>
>



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