Thanks to everyone for their advice/assistance. Once I configured multipath in our Linux, it was able to work with the disk on the EMC. I'm still not completely sure why I had to do this if we are only connected by one port, but at least it is working.
Thanks again! -----Original Message----- From: Linux on 390 Port [mailto:[email protected]] On Behalf Of Raymond Higgs Sent: Monday, August 29, 2011 3:50 PM To: [email protected] Subject: Re: SLES10 SP4 Linux and zFCP disk We haven't tested EMC Clariion. I've heard reports of it working though... Ray Higgs System z FCP Firmware Development Bld. 706, B42 2455 South Road Poughkeepsie, NY 12601 (845) 435-8666, T/L 295-8666 [email protected] Linux on 390 Port <[email protected]> wrote on 08/29/2011 03:35:24 PM: > From: "Ayers, Jennifer D" <[email protected]> > To: [email protected] > Date: 08/29/2011 03:40 PM > Subject: Re: SLES10 SP4 Linux and zFCP disk > Sent by: Linux on 390 Port <[email protected]> > > Two statements from the storage team -- > > 1) Storage array is an EMC CLARiiON CX-700 running FLARE 26. > > 2) Multipath has to be configured even though there is only one port > -- multiple devices. > > So, does it make sense to anyone that I would have to configure > multipath? Maybe I just need to drink more coffee. > > > > > -----Original Message----- > From: Linux on 390 Port [mailto:[email protected]] On Behalf > Of Raymond Higgs > Sent: Monday, August 29, 2011 11:06 AM > To: [email protected] > Subject: Re: SLES10 SP4 Linux and zFCP disk > > I agree that the problem is probably outside of your z10. I think there > is something wrong with your storage array. What is it? One of those > little EMC arrays? > > > Configuring FCP disk 5006916030603a65:0000000000000000 > > Vendor: DGC Model: RAID 5 Rev: 0226 > > Type: Direct-Access ANSI SCSI revision: 04 > > It is not a zoning issue. There wouldn't be messages about sense data if > the channel couldn't talk to the storage array. > > Ray Higgs > System z FCP Firmware Development > Bld. 706, B42 > 2455 South Road > Poughkeepsie, NY 12601 > (845) 435-8666, T/L 295-8666 > [email protected] > > Linux on 390 Port <[email protected]> wrote on 08/29/2011 10:37:43 > AM: > > > From: Pedro Principeza <[email protected]> > > To: [email protected] > > Date: 08/29/2011 10:45 AM > > Subject: Re: SLES10 SP4 Linux and zFCP disk > > Sent by: Linux on 390 Port <[email protected]> > > > > Greetings. > > > > The "Device Not Ready" errors (as shown on the logs you've mentioned) > are > > commonly originated from issues outside the Linux guest. > > LUN mapping, SAN Zoning and Host Type definitions come to my mind, in > > these cases. Look for the SAN/Storage side. > > > > HTH, > > Pedro Principeza > > > > > > > > From: "Ayers, Jennifer D" <[email protected]> > > To: [email protected] > > Date: 29/08/2011 11:33 > > Subject: SLES10 SP4 Linux and zFCP disk > > Sent by: Linux on 390 Port <[email protected]> > > > > > > > > We are attempting (unsuccessfully) to connect to a SAN disk via zFCP. > Port > > type is "NPort (fabric via point-to-point)". The operating system in > our > > test instance is SUSE 10 SP4. > > > > We cannot partition or format the disk. These are some the errors we > see > > when our instance is rebooted: > > Activating zfcp host 0.0.5000 > > Configuring device 0.0.5000 > > scsi0 : zfcp > > zfcp: The adapter 0.0.5000 reported the following characteristics: > > WWNN 0x5005976400c36e16, WWPN 0xc05976eba2000000, S_ID 0x000b1701, > > adapter version 0x5, LIC version 0x302 > > zfcp: Switched fabric fibrechannel network detected at adapter 0.0.5000. > > Activating zfcp disk 0.0.5000:0x5006916030603a65:0x0000000000000000 > > No configuration file for adapter 0.0.5000 > > Configuring FCP disk 5006916030603a65:0000000000000000 > > Vendor: DGC Model: RAID 5 Rev: 0226 > > Type: Direct-Access ANSI SCSI revision: 04 > > SCSI device sda: 41943040 512-byte hdwr sectors (21475 MB) > > sda: test WP failed, assume Write Enabled > > sda: asking for cache data failed > > sda: assuming drive cache: write through > > SCSI device sda: 41943040 512-byte hdwr sectors (21475 MB) > > sda: test WP failed, assume Write Enabled > > sda: asking for cache data failed > > sda: assuming drive cache: write through > > sda:<6>sd 0:0:0:0: Device not ready: <6>: Current: sense key: Not Ready > > Additional sense: Logical unit not ready, manual intervention > required > > end_request: I/O error, dev sda, sector 0 > > Buffer I/O error on device sda, logical block 0 > > sd 0:0:0:0: Device not ready: <6>: Current: sense key: Not Ready > > Additional sense: Logical unit not ready, manual intervention > required > > end_request: I/O error, dev sda, sector 0 > > Buffer I/O error on device sda, logical block 0 > > sd 0:0:0:0: Device not ready: <6>: Current: sense key: Not Ready > > Additional sense: Logical unit not ready, manual intervention > required > > end_request: I/O error, dev sda, sector 0 > > Buffer I/O error on device sda, logical block 0 > > unable to read partition table > > sd 0:0:0:0: Attached scsi disk sda > > sd 0:0:0:0: Device not ready: <6>: Current: sense key: Not Ready > > Additional sense: Logical unit not ready, manual intervention > required > > end_request: I/O error, dev sda, sector 41942912 > > Buffer I/O error on device sda, logical block 5242864 > > sd 0:0:0:0: Attached scsi generic sg0 type 0 > > sd 0:0:0:0: Device not ready: <6>: Current: sense key: Not Ready > > Buffer I/O error on device sda, logical block 0 > > sd 0:0:0:0: Device not ready: <6>: Current: sense key: Not Ready > > Additional sense: Logical unit not ready, manual intervention > required > > end_request: I/O error, dev sda, sector 41943032 > > sd 0:0:0:0: Device not ready: <6>: Current: sense key: Not Ready > > Additional sense: Logical unit not ready, manual intervention > required > > end_request: I/O error, dev sda, sector 41943032 > > sd 0:0:0:0: Device not ready: <6>: Current: sense key: Not Ready > > Additional sense: Logical unit not ready, manual intervention > required > > end_request: I/O error, dev sda, sector 41943032 > > sd 0:0:0:0: Device not ready: <6>: Current: sense key: Not Ready > > Additional sense: Logical unit not ready, manual intervention > required > > end_request: I/O error, dev sda, sector 41943032 > > sd 0:0:0:0: Device not ready: <6>: Current: sense key: Not Ready > > > > I had to manually add a LUN 0 in order to see anything at all. Also, > one > > day the disk appears as a /dev/sda and then another it may appear as > > /dev/sg0, or worse -- /dev/.tmp. > > > > Configuration and setup of zFCP is new to us. Any light you can shed as > > to why we are encountering these errors would be appreciated. > > > > Jennifer Ayers > > State of West Virginia > > Office of Technology > > 304-957-8294 > > > > > > ---------------------------------------------------------------------- > > For LINUX-390 subscribe / signoff / archive access instructions, > > send email to [email protected] with the message: INFO LINUX-390 or > > visit > > http://www.marist.edu/htbin/wlvindex?LINUX-390 > > ---------------------------------------------------------------------- > > For more information on Linux on System z, visit > > http://wiki.linuxvm.org/ > > > > > > > > ---------------------------------------------------------------------- > > For LINUX-390 subscribe / signoff / archive access instructions, > > send email to [email protected] with the message: INFO LINUX-390 or > visit > > http://www.marist.edu/htbin/wlvindex?LINUX-390 > > ---------------------------------------------------------------------- > > For more information on Linux on System z, visit > > http://wiki.linuxvm.org/ > > > > ---------------------------------------------------------------------- > For LINUX-390 subscribe / signoff / archive access instructions, > send email to [email protected] with the message: INFO LINUX-390 or visit > http://www.marist.edu/htbin/wlvindex?LINUX-390 > ---------------------------------------------------------------------- > For more information on Linux on System z, visit > http://wiki.linuxvm.org/ > > ---------------------------------------------------------------------- > For LINUX-390 subscribe / signoff / archive access instructions, > send email to [email protected] with the message: INFO LINUX-390 or visit > http://www.marist.edu/htbin/wlvindex?LINUX-390 > ---------------------------------------------------------------------- > For more information on Linux on System z, visit > http://wiki.linuxvm.org/ ---------------------------------------------------------------------- For LINUX-390 subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390 ---------------------------------------------------------------------- For more information on Linux on System z, visit http://wiki.linuxvm.org/ ---------------------------------------------------------------------- For LINUX-390 subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390 ---------------------------------------------------------------------- For more information on Linux on System z, visit http://wiki.linuxvm.org/
