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Date:      Tue, 27 Oct 1998 21:00:40 -0800
From:      Mike Smith <mike@smith.net.au>
To:        "Justin T. Gibbs" <gibbs@narnia.plutotech.com>
Cc:        Graeme Tait <graeme@echidna.com>, scsi@FreeBSD.ORG
Subject:   Re: CAM question 3.0-RELEASE 
Message-ID:  <199810280500.VAA00409@dingo.cdrom.com>
In-Reply-To: Your message of "Tue, 27 Oct 1998 21:47:54 MST." <199810280447.VAA21943@narnia.plutotech.com> 

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> In article <3636A466.5222@echidna.com> you wrote:
> >> This is normal.  The system tries to figure out how many tags each unit
> >> can support by experimentation and observation.  Some disks are
> >> broken here and have to be quirk'd to turn off or reduce tags.
> > 
> > Is there some reason why these messages are desirable and need to be on by 
> > default?
> 
> They help us (the SCSI developers) diagnose problems.  They also give the
> user an idea of the capabilities of their hardware.

They also generate an awful lot of questioning traffic, which is 
indicating that they're not actually telling the user anything useful.  
I think this counts as a real-world assessment of the usefulness of the 
messages.

> > They certainly get annoyingly voluminous at times. The following comment
> > is from the freebsd-scsi archives:
> 
> They will stop as soon as the minimum tag count is achieved.  Do you reboot
> your system all the time or something?

Watching them count down one by one from 64 to 4 or so for a system 
with any number of disks is an irritating nuisance.

-- 
\\  Sometimes you're ahead,       \\  Mike Smith
\\  sometimes you're behind.      \\  mike@smith.net.au
\\  The race is long, and in the  \\  msmith@freebsd.org
\\  end it's only with yourself.  \\  msmith@cdrom.com



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