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
