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Date:      Wed, 28 Jul 1999 13:11:10 +0930
From:      Greg Lehey <grog@lemis.com>
To:        tetsuhiro <tetsuhiro@tsuzuki.ne.jp>
Cc:        freebsd-scsi@FreeBSD.ORG
Subject:   Re: SYNCHRONIZE CACHE with a vinum volume
Message-ID:  <19990728131110.P66861@freebie.lemis.com>
In-Reply-To: <379E7B51.5B982F00@tsuzuki.ne.jp>; from tetsuhiro on Wed, Jul 28, 1999 at 12:38:57PM %2B0900
References:  <379E7B51.5B982F00@tsuzuki.ne.jp>

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On Wednesday, 28 July 1999 at 12:38:57 +0900, tetsuhiro wrote:
> I made a mirrored vinum volue on FreeBSD 3.2R.
> The volume has a /usr partition and /var links to /usr/var.
> Ofcause I changed vext.h and move history_log file to a root
> partition.

The fact that you're using Vinum doesn't have anything to do with this
problem.
 
> When I do shutdown the machine, I get following messages:
>
>  syncing disks... done
>  (da0:ahc0:0:1:0): SYNCHRONIZE CACHE. CDB:35 0 0 0 0 0 0 0 0 0
>  (da0:ahc0:0:1:0): error code xx at block no. 0 (decimal)
>
> where xx differs time by time. it was 59, 66, 5, 85, 1.
> da0 is:
>  da0: <CONNER CFP21005S 2.14GB 172A>
>  da0: 10.000MB/s transfers (10.000MHz, offset 15) Tagged Queueing
> Enabled
>  da0: 2048MB (4194304 512 byte sectors: 64H 21S/T 2048C)
>
> Should I disable tagged queueing on this old drive?

I don't think that this will help.  I have similar problems here with
old drives.  Is this a problem for you?  Otherwise I'd just ignore it.

Greg
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