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Date:      Thu, 9 Feb 2012 11:28:43 -0500
From:      Gary Palmer <gpalmer@freebsd.org>
To:        Jeremy Chadwick <freebsd@jdc.parodius.com>
Cc:        Alexander Motin <mav@FreeBSD.org>, freebsd-stable@FreeBSD.org
Subject:   Re: siisch1: Error while READ LOG EXT
Message-ID:  <20120209162843.GE10082@in-addr.com>
In-Reply-To: <20120209152240.GA95470@icarus.home.lan>
References:  <4F32E289.4080806@sentex.net> <mailpost.1328736521.3202974.81071.mailing.freebsd.stable@FreeBSD.cs.nctu.edu.tw> <4F32F5B0.2060203@FreeBSD.org> <20120208223819.GA27488@icarus.home.lan> <4F32FB5E.7050102@FreeBSD.org> <4F33DB75.1080202@sentex.net> <20120209152240.GA95470@icarus.home.lan>

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On Thu, Feb 09, 2012 at 07:22:40AM -0800, Jeremy Chadwick wrote:
> I have to assume that devices connected on a port multiplier show up on
> a separate scbusX number.  This is from your original mail:
> 
> > # camcontrol devlist
> > <WDC WD2001FASS-00U0B0 01.00101>   at scbus0 target 0 lun 0 (pass0,ada0)
> > <WDC WD2001FASS-00U0B0 01.00101>   at scbus0 target 1 lun 0 (pass1,ada1)
> > <WDC WD2001FASS-00U0B0 01.00101>   at scbus0 target 2 lun 0 (pass2,ada2)
> > <WDC WD2001FASS-00U0B0 01.00101>   at scbus0 target 3 lun 0 (pass3,ada3)
> > <Port Multiplier 47261095 1f06>    at scbus0 target 15 lun 0 (pass4,pmp1)
> > <WDC WD2002FAEX-007BA0 05.01D05>   at scbus1 target 0 lun 0 (pass5,ada4)
> > <WDC WD2002FAEX-007BA0 05.01D05>   at scbus1 target 1 lun 0 (pass6,ada5)
> > <WDC WD2002FAEX-007BA0 05.01D05>   at scbus1 target 2 lun 0 (pass7,ada6)
> > <WDC WD2002FAEX-007BA0 05.01D05>   at scbus1 target 3 lun 0 (pass8,ada7)
> > <WDC WD2002FAEX-007BA0 05.01D05>   at scbus1 target 4 lun 0 (pass9,ada8)
> > <Port Multiplier 37261095 1706>    at scbus1 target 15 lun 0 (pass10,pmp0)
> > <Areca usrvar R001>                at scbus4 target 0 lun 0 (pass11,da0)
> > <Areca backup1 R001>               at scbus4 target 0 lun 1 (pass12,da1)
> > <Areca RAID controller R001>       at scbus4 target 16 lun 0 (pass13)
> > <AMCC 9650SE-2LP DISK 4.10>        at scbus5 target 0 lun 0 (pass14,da2)
> > <ST31000333AS SD35>                at scbus6 target 0 lun 0 (pass15,ada9)
> > <ST31000528AS CC35>                at scbus7 target 0 lun 0 (pass16,ada10)
> > <ST31000340AS SD1A>                at scbus8 target 0 lun 0 (pass17,ada11)
> > <WDC WD1002FAEX-00Z3A0 05.01D05>   at scbus11 target 0 lun 0 (pass18,ada12)
> 
> Based on this, and assuming my understanding of how this setup works --
> and please note I could be wrong, these port multiplier things I have no
> familiarity with personally -- but it looks (to me) like this:
> 
> scbus5
>   --> Not sure what this thing is
>       --> Disk or "thing" da2

3ware 9650SE controller (twa driver I beleive)

Gary



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