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Date: Sun, 7 Dec 2003 22:37:29 -0800
From: Paul Saab <ps@freebsd.org>
To: Scott Long <scottl@freebsd.org>
Message-ID: <20031208063729.GA80339@elvis.mu.org>
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Subject: Re: cvs commit: src/sys/cam/scsi scsi_da.c
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Scott Long (scottl@freebsd.org) wrote:
> Paul Saab wrote:
> >ps          2003/12/07 21:14:13 PST
> >
> >  FreeBSD src repository
> >
> >  Modified files:
> >    sys/cam/scsi         scsi_da.c 
> >  Log:
> >  ciss doesn't like scsi SYNC CACHE.  turn it off
> >  
> >  Revision  Changes    Path
> >  1.161     +8 -0      src/sys/cam/scsi/scsi_da.c
> >
> 
> How do you flush the array cache before power down?

We do it on shutdown.  The device really hates getting a sync cache
while the system is actively doing things.