From owner-freebsd-scsi@FreeBSD.ORG Wed Aug 3 18:46:38 2011 Return-Path: Delivered-To: freebsd-scsi@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 8BE10106566B for ; Wed, 3 Aug 2011 18:46:38 +0000 (UTC) (envelope-from gwright@antiope.com) Received: from mho-02-ewr.mailhop.org (mho-04-ewr.mailhop.org [204.13.248.74]) by mx1.freebsd.org (Postfix) with ESMTP id 63F248FC17 for ; Wed, 3 Aug 2011 18:46:38 +0000 (UTC) Received: from pool-96-242-166-137.nwrknj.fios.verizon.net ([96.242.166.137] helo=plumbbob-franklin.18clay.com) by mho-02-ewr.mailhop.org with esmtpsa (TLSv1:CAMELLIA256-SHA:256) (Exim 4.72) (envelope-from ) id 1QogSj-0008za-Az; Wed, 03 Aug 2011 18:46:37 +0000 X-Mail-Handler: MailHop Outbound by DynDNS X-Originating-IP: 96.242.166.137 X-Report-Abuse-To: abuse@dyndns.com (see http://www.dyndns.com/services/mailhop/outbound_abuse.html for abuse reporting information) X-MHO-User: U2FsdGVkX1//94ZAN3FQhe7rVPL5Aprs/fVWIj69wdA= Message-ID: <4E39978A.7070401@antiope.com> Date: Wed, 03 Aug 2011 14:46:34 -0400 From: Gregory Wright Organization: Antiope Associates User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.6; rv:5.0) Gecko/20110624 Thunderbird/5.0 MIME-Version: 1.0 To: "Kenneth D. Merry" References: <4E396DDD.9030602@antiope.com> <20110803170210.GA46958@nargothrond.kdm.org> In-Reply-To: <20110803170210.GA46958@nargothrond.kdm.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: freebsd-scsi@freebsd.org Subject: Re: an mps probelm X-BeenThere: freebsd-scsi@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: SCSI subsystem List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 03 Aug 2011 18:46:38 -0000 Hi Ken, On 8/3/11 1:02 PM, Kenneth D. Merry wrote: > On Wed, Aug 03, 2011 at 11:48:45 -0400, Gregory Wright wrote: >> Hi, >> >> I have an LSI SAS 9200-8e hba card. It's connected to a Dell >> PowerVault 124T autoloader with an LTO4 drive. >> >> I installed 9.0-BETA1 yesterday and was able to successfully >> detect the tape drive (mps driver), but the hba doesn't find the changer. >> I used camcontrol to force rescanning all luns but that >> didn't help either. > Try rescanning the particular LUN for the changer device, like this: > > camcontrol rescan 6:4:1 The changer was found when I used that command. > (That is assuming the tape drive is at 6:4:0.) > >> Since I have just acquired this hardware I installed an OS >> reported to work with this autoloader/hba combination, >> ubuntu 11.04 server. On ubuntu, the changer is found: >> >> gwright@greenhouse-george:~$ lsscsi -g >> [0:0:0:0] disk AMCC 9650SE-12M DISK 3.06 /dev/sdb /dev/sg1 >> [0:0:0:1] disk AMCC 9650SE-12M DISK 3.06 /dev/sdc /dev/sg2 >> [0:0:1:0] disk AMCC 9650SE-12M DISK 3.06 /dev/sdd /dev/sg3 >> [1:0:0:0] tape IBM ULTRIUM-TD4 97F0 /dev/st0 /dev/sg5 >> [1:0:0:1] mediumx DELL PV-124T 0080 /dev/sch0 /dev/sg6 >> [2:0:0:0] disk ATA ST3160811AS 3.AA /dev/sda /dev/sg0 >> [6:0:0:0] cd/dvd MITSUMI CD-ROM SR244W T01A /dev/sr0 /dev/sg4 >> >> (On ubuntu the driver is mpt2sas.) >> >> It seems as if the mps driver is not seeing the additional lun >> hanging off the bus. > Yeah, it looks like the path inquiry CCB in the driver is telling CAM not > to scan LUNs. > >> This server is not in production yet so I can re-install 9.0-BETA1 >> and run more tests, if that would help. > Try the attached patch, and let me know whether it works. > > The patch works. Now I get greenhouse-george# camcontrol devlist at scbus0 target 0 lun 0 (ada0,pass0) at scbus4 target 0 lun 0 (cd0,pass1) at scbus6 target 4 lun 0 (sa0,pass2) at scbus6 target 4 lun 1 (ch0,pass3) at scbus7 target 0 lun 0 (da0,pass4) at scbus7 target 0 lun 1 (da1,pass5) at scbus7 target 1 lun 0 (da2,pass6) greenhouse-george# I hope the change makes it into BETA2/RC1. Thanks! Best, Greg -- Gregory Wright Antiope Associates LLC 18 Clay Street Fair Haven, New Jersey 07733 USA +1 732 924-4549 [office] +1 732 345-8378 [fax] gwright@antiope.com