1) The VM Problems may still be there 2) When we tried to replicate 3) SLES 11
On Mon, Apr 19, 2010 at 1:40 PM, Raymond Higgs <rayhi...@us.ibm.com> wrote: > > Daniel, > > What happened with your VM problems? > > Which config failed? The one that you got working, or the new one when you > tried to replicate? > > Which version of linux are you using? > > From this linux log, I only see one thing that is interesting "fsf_prot_status > 0x00000080". This is connection initializing. There are 3 ways to get > this: > > 1. The fibre channel link is not up. If you look at the SE, you should see > online operating when the link is up. Did someone unplug the fibre from the > channel? Are the optics in your channel, the switch, and the fibre > consistent? Either all short wave, or all long wave. Is the switch trying > to run at a speed that the channel doesn't support? > > 2. Are you issuing lots of chccwdev --online, chccwdev --offline, chccwdev > --online, .... We'll send this status up if the QDIO and FSF parts of the > channel get out of sync. QDIO quickly initializes. FSF doesn't because it > has to communicate with the switch, and this status is a way to tell the > operating system to be patient. > > 3. Very similar to 2... We're waiting on FDISC reply from the switch. Are > there any clues on the fabric login status panel on the SE? Have you seen > this redpaper? > > http://www.redbooks.ibm.com/redpapers/pdfs/redp4125.pdf > > It has some details about the SE panels. > > I hope this helps. > > Ray Higgs > System z FCP Development > Bld. 706, B24 > 2455 South Road > Poughkeepsie, NY 12601 > (845) 435-8666, T/L 295-8666 > rayhi...@us.ibm.com > > > *Daniel Tate <daniel.t...@gmail.com>* > Sent by: The IBM z/VM Operating System <IBMVM@LISTSERV.UARK.EDU> > > 04/19/2010 12:20 PM > Please respond to > > The IBM z/VM Operating System <IBMVM@LISTSERV.UARK.EDU> > > To > IBMVM@LISTSERV.UARK.EDU > cc > Subject > Re: z/VM not seeing storage from SAN > > > > > OK, we *briefly* got the SAN to show a disk, i was able to format, > everything.. we attempted to replicate with the exact same config, and it > failed. Port security has been toggled, WWPNs have been added and removed > from the zone. This is becoming incredibly frustrating. If anyone can > provide any answers.. The documentation (as far as i have found) is so > sparse that i had to look at the source code to identify what the hex codes > mean > > > This is the output of sys/kernel/debug/s390dbf/zfcp0.0.5000_hba: > > timestamp 01271692944:913553125 > cpu 00 > tag stat > tag2 dism > failed 0x00 > status_type 0x00000000 > status_subtype 0x00000000 > queue_designator 00000000 00000000 > payload > > timestamp 01271692949:933377062 > cpu 01 > tag resp > tag2 perr > fsf_command 0x0000000d > fsf_reqid 0x1c985000 > fsf_seqno 0x00000000 > fsf_issued 01271692949:933235988 > fsf_prot_status 0x00000080 > fsf_status 0x00000000 > fsf_prot_status_qual 00000000 00000000 00000000 00000000 > fsf_status_qual 00000000 00000000 00000000 00000000 > fsf_req_status 0x00000010 > sbal_first 0x00 > sbal_last 0x00 > sbal_response 0x00 > pool 0x01 > 2807adda 00000001 0000001f 00000002 1abea440 > fd0006a0 0000e000 00000000 > 2808bad6 f2318ac4 1abea440 00000100 00002000 > 00000000 00000000 00000000 > 280b01b1 f2318ace 1abea440 00000080 000001 > > timestamp 01271692950:951330062 > cpu 00 > tag resp > tag2 ferr > fsf_command 0x00000005 > > > On Fri, Apr 16, 2010 at 5:00 AM, Eric R Farman > <*far...@us.ibm.com*<far...@us.ibm.com>> > wrote: > Daniel, > > SCSIDISC retrieves all registered WWPNs from the switch connected to the > selected FCP subchannel(s). If it only reports the one you had attached, it > doesn't sound like the switch zones are setup properly to let the LPAR see > the DASD subsystems. Has the SAN admin registered the physical WWPN of the > card with the switch zone, or the NPIV WWPNs (displayed on Q FCP output)? > The latter is necessary in NPIV environment. > > Regards, > Eric > > Eric Farman > z/VM I/O Development > IBM Endicott, NY > > > From: Daniel Tate <*daniel.t...@gmail.com* <daniel.t...@gmail.com>> To: > *ib...@listserv.uark.edu* <IBMVM@LISTSERV.UARK.EDU> Date: 04/15/2010 > 10:50 AM Subject: Re: z/VM not seeing storage from SAN Sent by: The IBM > z/VM Operating System <*ib...@listserv.uark.edu* <IBMVM@LISTSERV.UARK.EDU> > > > > ------------------------------ > > > > scsidisc only reports those i've attached. That particular output was from > a different device (i.e. 5001).. my terminology is a little off. Our SAN > admin swears it's configured correctly on the switch. > > > > On Thu, Apr 15, 2010 at 9:38 AM, Eric R Farman > <*far...@us.ibm.com*<far...@us.ibm.com>> > wrote: > Hi Daniel, > > The WWPN listed in your Q FCP outputs and that from the SCSIDISC tool are > similar enough that I suspect they are different subchannels on the same FCP > card, and not of your target DASD subsystem. Are there other WWPNs listed > in the SCSIDISC output beyond what you have sent? If so, what does SCSIDISC > see with them? If not, has the switch been told about the NPIV WWPNs that > the VM LPAR will be using (that is, those listed in Q FCP)? What specific > messages do you get when varying on the EDEV? > > One other thing... the FCP subchannel (5000 in your example below) > shouldn't be attached to a particular user if it is going to be used as part > of an EDEV. It should be free so that VM can attach it to the SYSTEM itself > at the time the EDEV is varied online. (The FCP can be used for multiple > paths/LUNs at once, so in reality the FCP should be either free or attached > to SYSTEM.) The ATTACH 5000 TO * command would be used for a guest to use, > such as for SCSIDISC or Linux itself configuring SCSI. > > Regards, > Eric > > Eric Farman > z/VM I/O Development > IBM Endicott, NY > > From: Daniel Tate <*daniel.t...@gmail.com* <daniel.t...@gmail.com>> To: > *ib...@listserv.uark.edu* <IBMVM@LISTSERV.UARK.EDU> Date: 04/14/2010 > 02:40 PM Subject: z/VM not seeing storage from SAN Sent by: The IBM z/VM > Operating System <*ib...@listserv.uark.edu* <IBMVM@LISTSERV.UARK.EDU>> > > > ------------------------------ > > > > > Disclaimer: I am a UNIX admin, working with z/VM for the first time. > I only know basic commands and concepts, but really need to get this > working. > > Our san is connected, and other LPARs can see the storage. the CHPID > is online. I can attach the storage (ATTACH 5000 to *) and SET EDEV > blahblahbah.. but when i try to vary on the storage,i get a NO PATH TO > DEVICE error. > > Anyone have any ideas? > > SCSIDISC Reports: > WARNING::WWPN C05076FAE3000408 Could Not be Opened > WARNING::WWPN C05076FAE3000408 ignored > > Here’s the output from q fcp: > > q fcp > > 07:05:04 FCP 5000 ATTACHED TO MAINT 5000 CHPID 46 > 07:05:04 WWPN C05076FAE3000400 > > > q v fcp > > 08:27:31 FCP 5000 ON FCP 5000 CHPID 46 SUBCHANNEL = 011D > 08:27:31 5000 DEVTYPE FCP CHPID 46 FCP > 08:27:31 5000 QDIO-ELIGIBLE QIOASSIST-ELIGIBLE > 08:27:31 WWPN C05076FAE3000400 > > Ready; T=0.01/0.01 08:27:31 > > > > > >
