Date: Wed, 03 Aug 2011 14:46:34 -0400 From: Gregory Wright <gwright@antiope.com> To: "Kenneth D. Merry" <ken@freebsd.org> Cc: freebsd-scsi@freebsd.org Subject: Re: an mps probelm Message-ID: <4E39978A.7070401@antiope.com> In-Reply-To: <20110803170210.GA46958@nargothrond.kdm.org> References: <4E396DDD.9030602@antiope.com> <20110803170210.GA46958@nargothrond.kdm.org>
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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 <ST3160811AS 3.AAE> at scbus0 target 0 lun 0 (ada0,pass0) <MITSUMI CD-ROM SR244W T01A> at scbus4 target 0 lun 0 (cd0,pass1) <IBM ULTRIUM-TD4 97F0> at scbus6 target 4 lun 0 (sa0,pass2) <DELL PV-124T 0080> at scbus6 target 4 lun 1 (ch0,pass3) <AMCC 9650SE-12M DISK 3.06> at scbus7 target 0 lun 0 (da0,pass4) <AMCC 9650SE-12M DISK 3.06> at scbus7 target 0 lun 1 (da1,pass5) <AMCC 9650SE-12M DISK 3.06> 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
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