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Date:      Sun, 28 Nov 1999 15:08:47 -0700 (MST)
From:      "Kenneth D. Merry" <ken@kdm.org>
To:        dgilbert@velocet.ca (David Gilbert)
Cc:        stable@FreeBSD.ORG
Subject:   Re: ahc problems (with vinum?)
Message-ID:  <199911282208.PAA22493@panzer.kdm.org>
In-Reply-To: <14401.42245.286750.658069@trooper.velocet.net> from David Gilbert at "Nov 28, 1999 04:56:21 pm"

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David Gilbert wrote...
> >>>>> "Kenneth" == Kenneth D Merry <ken@kdm.org> writes:
> 
> Kenneth> I haven't heard of any problems with the Atlas IV that would
> Kenneth> cause anything other than Quantum's usual bogus queue full
> Kenneth> behavior, but of course that doesn't mean that there aren't
> Kenneth> any.
> 
> Hmmm... well... this is very repeatable.  This controller now has
> nothing but the ARRAY of LVD drives using the vendor's cable and
> terminator.  I have another LVD cable and terminator (take came with
> an HP DAT drive)... I'm going to try them...

Hopefully that'll fix it.

> Basically, cd'ing to a directory on the raid drive and doing
> 
> dump -0af - /usr | team 1m 8 | restore rf -
> 
> will cause the problem very repeatably.
> 
> (da5:ahc1:0:4:0): SCB 0xdc - timed out in dataout phase, SEQADDR == 0x5d
> (da5:ahc1:0:4:0): Other SCB Timeout
> (da8:ahc1:0:11:0): SCB 0xe6 - timed out in dataout phase, SEQADDR == 0x5d
> (da8:ahc1:0:11:0): BDR message in message buffer
> (da8:ahc1:0:11:0): SCB 0xe6 - timed out in dataout phase, SEQADDR == 0x5e
> (da8:ahc1:0:11:0): no longer in timeout, status = 34b
> ahc1: Issued Channel A Bus Reset. 4 SCBs aborted

Yep, looks like a cabling problem all right.

Ken
-- 
Kenneth Merry
ken@kdm.org


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