Changing the interopmode on the brocades from mcdata to brocade (which is what it sounds like was done, to me), DOES change the portid that is assigned during the PLOGI sequence. If the system does not re-login to the fabric and obtain the new portid (port id changes due to the difference in san domain id, between native brocade mode and mcdata mode).
We recently did the same change, and it caused heartburn for our AIX systems. We don't have any zLinux systems, but it sounds like what we went through. Regards, Peter -----Original Message----- From: Linux on 390 Port [mailto:[email protected]] On Behalf Of Raymond Higgs Sent: Monday, September 21, 2015 3:06 PM To: [email protected] Subject: Re: Having issues attaching to LUNs after Brocade mode change Hi Chris, Config off, on from the HMC will free up the resources that those messages are talking about, but I don't think it will help. Based your original email, I think your zoning changed. It looks like everything is in a single, giant zone, and you're running out of resources because all ports can see all other ports. Regards, Ray Higgs System z IO 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 09/21/2015 12:29:06 PM: > From: "VANDER WOUDE, PETER" <[email protected]> > To: [email protected] > Date: 09/21/2015 12:55 PM > Subject: Re: Having issues attaching to LUNs after Brocade mode change > Sent by: Linux on 390 Port <[email protected]> > > Will, > > I would try taking the fcp port offline. The physical port is what > get's the initial port id and the config offline back online would be > the only way, I think, to have the plogi sequence operate correctly. > > Regards, > Peter > > > > > -----Original Message----- > From: Linux on 390 Port [mailto:[email protected]] On Behalf Of > Will, Chris > Sent: Monday, September 21, 2015 12:24 PM > To: [email protected] > Subject: Re: Having issues attaching to LUNs after Brocade mode change > > We have shutdown, deactivated the LPAR, activated and IPLd z/VM and > are still having issues. Would it help to offline the FCP port on the > HMC? It looks like it attaches and then timesout. > > Sep 20 23:13:12 omgdb2prd1 multipathd: 8:32: mark as failed Sep 20 > 23:13:12 omgdb2prd1 multipathd: mpvol28: remaining active paths: 1 Sep > 20 23:13:12 omgdb2prd1 kernel: sd 0:0:0:2: [sdc] Medium access timeout > failure. Offlining disk! > Sep 20 23:13:12 omgdb2prd1 kernel: sd 0:0:0:2: [sdc] Result: > hostbyte=DID_TIME_OUT driverbyte=DRIVER_OK Sep 20 23:13:12 > omgdb2prd1 kernel: sd 0:0:0:2: [sdc] CDB: Read(10): 28 00 01 3e 61 > 58 00 00 20 00 Sep 20 23:13:12 omgdb2prd1 kernel: end_request: I/O > error, dev sdc, sector 20865368 Sep 20 23:13:12 omgdb2prd1 kernel: > device-mapper: multipath: Failing path 8:32. > Sep 20 23:13:17 omgdb2prd1 multipathd: mpvol28: sdc - tur checker > reports path is down Sep 20 23:13:22 omgdb2prd1 multipathd: mpvol28: > sdc - tur checker reports path is down > > Chris Will > Systems Software > (313) 549-9729 Cell > [email protected] > > -----Original Message----- > From: Linux on 390 Port [mailto:[email protected]] On Behalf Of > VANDER WOUDE, PETER > Sent: Monday, September 21, 2015 12:03 PM > To: [email protected] > Subject: Re: Having issues attaching to LUNs after Brocade mode change > > Chris, > > Have you tried to force the zfcp channels to do a port login (i.e. > plogi)? After changing the brocade interopmode, you must do this, > otherwise your system is probably trying to use it's previous port id > mappings, which the interopmode change changes. > > Peter > > > > > > -----Original Message----- > From: Linux on 390 Port [mailto:[email protected]] On Behalf Of > Will, Chris > Sent: Monday, September 21, 2015 11:17 AM > To: [email protected] > Subject: Having issues attaching to LUNs after Brocade mode change > > We recently had a Brocade mode change and when the channel came back > we were flooded with the following messages and have not been able to > attach any LUNs to this channel (they attach and then timeout). > Our zoning should only allow us to see/discover one port. > > Sep 19 20:58:45 edidb2prd1 kernel: zfcp.ac341f: 0.0.0404: The local > link has been restored Sep 19 20:58:45 edidb2prd1 kernel: qdio: 0.0. > 0404 ZFCP on SC 0 using AI:1 QEBSM:1 PRI:1 TDD:1 SIGA: W A Sep 19 > 20:59:00 edidb2prd1 kernel: zfcp.9b70c0: 0.0.0404: Not enough FCP > adapter resources to open remote port 0x5000144280501200 Sep 19 20: > 59:00 edidb2prd1 kernel: zfcp.9b70c0: 0.0.0404: Not enough FCP adapter > resources to open remote port 0x50001442903b0910 Sep 19 20: > 59:00 edidb2prd1 kernel: zfcp.9b70c0: 0.0.0404: Not enough FCP adapter > resources to open remote port 0x50001442804ecf00 Sep 19 20: > 59:00 edidb2prd1 kernel: zfcp.9b70c0: 0.0.0404: Not enough FCP adapter > resources to open remote port 0xc05076e031005b41 Sep 19 20: > 59:00 edidb2prd1 kernel: zfcp.9b70c0: 0.0.0404: Not enough FCP adapter > resources to open remote port 0xc05076e0310014e8 Sep 19 20: > 59:00 edidb2prd1 kernel: zfcp.9b70c0: 0.0.0404: Not enough FCP adapter > resources to open remote port 0xc05076e0310014dc Sep 19 20: > 59:00 edidb2prd1 kernel: zfcp.9b70c0: 0.0.0404: Not enough FCP adapter > resources to open remote port 0xc05076e031001460 Sep 19 20: > 59:00 edidb2prd1 kernel: zfcp.9b70c0: 0.0.0404: Not enough FCP adapter > resources to open remote port 0xc05076e0310014a4 Sep 19 20: > 59:00 edidb2prd1 kernel: zfcp.9b70c0: 0.0.0404: Not enough FCP adapter > resources to open remote port 0xc05076e0310014ec Sep 19 20: > 59:00 edidb2prd1 kernel: zfcp.9b70c0: 0.0.0404: Not enough FCP adapter > resources to open remote port 0xc05076e031001454 Sep 19 20: > 59:00 edidb2prd1 kernel: zfcp.9b70c0: 0.0.0404: Not enough FCP adapter > resources to open remote port 0xc05076e031001408 Sep 19 20: > 59:00 edidb2prd1 kernel: zfcp.9b70c0: 0.0.0404: Not enough FCP adapter > resources to open remote port 0xc05076e031001344 Sep 19 20: > 59:00 edidb2prd1 kernel: zfcp.9b70c0: 0.0.0404: Not enough FCP adapter > resources to open remote port 0xc05076e031001404 Sep 19 20: > 59:00 edidb2prd1 kernel: zfcp.9b70c0: 0.0.0404: Not enough FCP adapter > resources to open remote port 0xc05076e031001348 Sep 19 20: > 59:00 edidb2prd1 kernel: zfcp.9b70c0: 0.0.0404: Not enough FCP adapter > resources to open remote port 0xc05076e031001420 Sep 19 20: > 59:00 edidb2prd1 kernel: zfcp.9b70c0: 0.0.0404: Not enough FCP adapter > resources to open remote port 0xc05076e031001458 Sep 19 20: > 59:00 edidb2prd1 kernel: zfcp.9b70c0: 0.0.0404: Not enough FCP adapter > resources to open remote port 0xc05076e031005701 Sep 19 20: > 59:00 edidb2prd1 kernel: zfcp.9b70c0: 0.0.0404: Not enough FCP adapter > resources to open remote port 0x50000973001411b4 Sep 19 20: > 59:00 edidb2prd1 kernel: zfcp.9b70c0: 0.0.0404: Not enough FCP adapter > resources to open remote port 0x5000144280501200 Sep 19 20: > 59:00 edidb2prd1 kernel: zfcp.9b70c0: 0.0.0404: Not enough FCP adapter > resources to open remote port 0x50001442903b0910 Sep 19 20: > 59:00 edidb2prd1 kernel: zfcp.9b70c0: 0.0.0404: Not enough FCP adapter > resources to open remote port 0x50001442804ecf00 Sep 19 20: > 59:00 edidb2prd1 kernel: zfcp.9b70c0: 0.0.0404: Not enough FCP adapter > resources to open remote port 0x50001442903c5210 Sep 19 20: > 59:00 edidb2prd1 kernel: zfcp.9b70c0: 0.0.0404: Not enough FCP adapter > resources to open remote port 0xc05076e031005b41 Sep 19 20: > 59:00 edidb2prd1 kernel: zfcp.9b70c0: 0.0.0404: Not enough FCP adapter > resources to open remote port 0xc05076e0310014e8 Sep 19 20: > 59:00 edidb2prd1 kernel: zfcp.9b70c0: 0.0.0404: Not enough FCP adapter > resources to open remote port 0xc05076e0310014dc Sep 19 20: > 59:00 edidb2prd1 kernel: zfcp.9b70c0: 0.0.0404: Not enough FCP adapter > resources to open remote port 0xc05076e031001460 Sep 19 20: > 59:00 edidb2prd1 kernel: zfcp.9b70c0: 0.0.0404: Not enough FCP adapter > resources to open remote port 0xc05076e0310014a4 Sep 19 20: > 59:00 edidb2prd1 kernel: zfcp.9b70c0: 0.0.0404: Not enough FCP adapter > resources to open remote port 0xc05076e0310014ec Sep 19 20: > 59:00 edidb2prd1 kernel: zfcp.9b70c0: 0.0.0404: Not enough FCP adapter > resources to open remote port 0xc05076e031001454 Sep 19 20: > 59:00 edidb2prd1 kernel: zfcp.9b70c0: 0.0.0404: Not enough FCP adapter > resources to open remote port 0xc05076e031001408 Sep 19 20: > 59:00 edidb2prd1 kernel: zfcp.9b70c0: 0.0.0404: Not enough FCP adapter > resources to open remote port 0xc05076e031001344 Sep 19 20: > 59:00 edidb2prd1 kernel: zfcp.9b70c0: 0.0.0404: Not enough FCP adapter > resources to open remote port 0xc05076e031001404 Sep 19 20: > 59:00 edidb2prd1 kernel: zfcp.9b70c0: 0.0.0404: Not enough FCP adapter > resources to open remote port 0xc05076e031001348 Sep 19 20: > 59:00 edidb2prd1 kernel: zfcp.9b70c0: 0.0.0404: Not enough FCP adapter > resources to open remote port 0xc05076e031001420 Sep 19 20: > 59:00 edidb2prd1 kernel: zfcp.9b70c0: 0.0.0404: Not enough FCP adapter > resources to open remote port 0xc05076e031001458 Sep 19 20: > 59:00 edidb2prd1 kernel: zfcp.9b70c0: 0.0.0404: Not enough FCP adapter > resources to open remote port 0xc05076e031005701 Sep 19 20: > 59:00 edidb2prd1 kernel: zfcp.9b70c0: 0.0.0404: Not enough FCP adapter > resources to open remote port 0x50000973001411b4 Sep 19 20: > 59:01 edidb2prd1 kernel: zfcp.10efb5: 0.0.0404: Opening WKA port > 0xfffffc failed Sep 19 20:59:01 edidb2prd1 kernel: zfcp.10efb5: 0.0. > 0404: Opening WKA port 0xfffffc failed Sep 19 20:59:01 edidb2prd1 > kernel: qdio: 0.0.0404 ZFCP on SC 0 using AI:1 QEBSM:1 PRI:1 TDD:1 > SIGA: W A Sep 19 20:59:08 edidb2prd1 kernel: zfcp.9b70c0: 0.0.0404: > Not enough FCP adapter resources to open remote port > 0x5000097300141138 Sep 19 20:59:08 edidb2prd1 kernel: zfcp.9b70c0: > 0.0.0404: Not enough FCP adapter resources to open remote port > 0x5000097300141178 Sep 19 20:59:08 edidb2prd1 kernel: zfcp.10efb5: > 0.0.0404: Opening WKA port 0xfffffc failed Sep 19 20:59:08 > edidb2prd1 kernel: zfcp.9b70c0: 0.0.0404: Not enough FCP adapter > resources to open remote port 0x50000973001411f4 Sep 19 20:59:08 > edidb2prd1 kernel: zfcp.9b70c0: 0.0.0404: Not enough FCP adapter > resources to open remote port 0x21000024ff5724d3 Sep 19 20:59:08 > edidb2prd1 kernel: zfcp.9b70c0: 0.0.0404: Not enough FCP adapter > resources to open remote port 0x21000024ff580fee Sep 19 20:59:08 > edidb2prd1 kernel: zfcp.9b70c0: 0.0.0404: Not enough FCP adapter > resources to open remote port 0x21000024ff574572 . > . > . 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