From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chandra Seetharaman Subject: Re: Sun StorageTek 2530 and dm? Date: Mon, 24 Aug 2009 17:18:56 -0700 Message-ID: <1251159536.2166.3.camel@chandra-ubuntu> References: <20090823210536.4730636d@nb-jsosic> <20090823213448.154d6cff@nb-jsosic> <20090824202915.27815959@pc-jsosic.srce.hr> <1251139716.24406.4.camel@chandra-ubuntu> <20090824205933.4b4c8456@pc-jsosic.srce.hr> <1251145497.24406.18.camel@chandra-ubuntu> <20090824223627.6e1a918c@pc-jsosic.srce.hr> <1251147451.24406.28.camel@chandra-ubuntu> <20090824231416.598ecc11@pc-jsosic.srce.hr> <1251150116.24406.37.camel@chandra-ubuntu> <20090824235347.4b8cbd8a@pc-jsosic.srce.hr> <1251155242.24406.57.camel@chandra-ubuntu> <20090825011340.423e3cf6@pc-jsosic.srce.hr> Reply-To: sekharan@linux.vnet.ibm.com, device-mapper development Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20090825011340.423e3cf6@pc-jsosic.srce.hr> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com To: device-mapper development List-Id: dm-devel.ids On Tue, 2009-08-25 at 01:13 +0200, Jakov Sosic wrote: > On Mon, 24 Aug 2009 16:07:22 -0700 > Chandra Seetharaman wrote: > > > scsi_dh_rdac modules is insmodded by multipath when multipathd is > > started (by virtue of you having hardware_handler "1 rdac" in > > your /etc/muliutpath.conf file. > > > > So, it is effective when multipath starts. > > If it is effective, I don't need to patch it... Thank you very much. > > You were saying that you could provide some debugging code if I'm > interested? Well it seems that I don't have a choice... So please do > so :) > Basically I want to find out if we are getting and sense codes that we are not handling. To that effect, andd the following line at the top of the function rdac_check_sense() -------- sdev_printk(KERN_ERR, sdev, "I/O returned with sense %02x/%02x/%02x", sense_hdr->sense_key, sense_hdr->asc, sense_hdr->ascq); --------- compile the module, run your tests and get me /var/log/messages. > >