It's an Hitachi SAN through a Cisco fibre switch. NPIV is on on all. NPV, however, is not
On Thu, Apr 15, 2010 at 8:53 PM, Mark Pace <mpac...@gmail.com> wrote: > What is the back-end storage? If DSxxxx have the appropriate Hostconnect > been created? > > > On Thu, Apr 15, 2010 at 10:19 AM, Daniel Tate <daniel.t...@gmail.com>wrote: > >> 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> 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> To: 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 <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 >>> >>> >>> >> > > > -- > Mark Pace > Mainline Information Systems > 1700 Summit Lake Drive > Tallahassee, FL. 32317 >
