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Date: Fri, 21 Jan 2011 07:47:12 -0800
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References: <4D38C44D.6080703@feral.com> <ihb5as$sre$1@hairball.ziemba.us>
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	Fri, 21 Jan 2011 07:47:01 -0800 (PST)
Subject: Re: rescan causes offlined tape to reload
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On 1/20/2011 9:24 PM, G. Paul Ziemba wrote:
> ....
> # camcontrol rescan all
>
> Jan 20 21:08:40 hairball kernel: (probe4:sym0:0:4:0): TEST UNIT READY. CDB: 0 0 0 0 0 0
> Jan 20 21:08:44 hairball kernel: (probe4:sym0:0:4:0): LOAD UNLOAD. CDB: 1b 0 0 0 3 0
> Jan 20 21:09:34 hairball kernel: sym0:4:control msgout: 80 6.
> Jan 20 21:09:34 hairball kernel: (probe4:sym0:0:4:0): TEST UNIT READY. CDB: 0 0 0 0 0 0
> Jan 20 21:09:34 hairball kernel: (probe4:sym0:0:4:0): INQUIRY. CDB: 12 0 0 0 24 0

Okay, you've proved that the probe code is issuing this. That's wrong. 
Let me chase what has happened here.