From owner-freebsd-scsi  Tue Jul 27 22:18: 6 1999
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Date: Wed, 28 Jul 1999 14:18:55 +0900
From: tetsuhiro <tetsuhiro@tsuzuki.ne.jp>
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To: Greg Lehey <grog@lemis.com>
Cc: freebsd-scsi@FreeBSD.ORG
Subject: Re: SYNCHRONIZE CACHE with a vinum volume
References: <379E7B51.5B982F00@tsuzuki.ne.jp> <19990728131110.P66861@freebie.lemis.com>
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Thanks Greg,

Greg Lehey wrote:
> 
> 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.
> 

Following procedure suppress error messages.
 # shutdown now
 # umount /usr
 # vinum stop
 # shutdown -h now

This is why I stupitly thought vinum do somthing to do with it.

> > 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.
> 

I dont know this will be a problem or not.  Isn't it harmless?

I appreciate your help.

Tetsuhiro


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