It fixes the issue permanently. But this has happened three times after OS patching.
Thanks Scott -----Original Message----- From: Linux on 390 Port [mailto:[email protected]] On Behalf Of Offer Baruch Sent: Monday, June 22, 2015 12:02 AM To: [email protected] Subject: Re: Losing SAN Adapters with RHEL5 servers after patching Maybe i didn't understand you correctly... Did your procedure fix the problem permanently or just until the next reboot? Thanks Offer Baruch On Jun 22, 2015 6:42 AM, "Offer Baruch" <[email protected]> wrote: > Hi > > Is it possible that the zfcp module is not being loaded after the reboot? > Can you issue this command after the reboot: > lsmod | grep fcp > Can you also make sure this udev rule is in place and send it content: > /etc/udev/rules.d/56-zfcp.rules > > Good luck > Offer Baruch > On Jun 22, 2015 12:38 AM, "Shumate, Scott" <[email protected]> wrote: > >> I was wondering if anyone out there is experiencing the same problem >> we are facing. Our linux team is constantly losing SAN adapters >> after they patch and reboot a RHEL5 server. The FCP adapters are >> still attached to the guest but do not exist on the server side. If >> they issue command lscss -t 1732/03,1732/04, nothing displays. I had >> our linux team use the following commands to get the adapters back. >> Any ideas to prevent this from happening? Any help would be greatly >> appreciated. >> >> 1) verify new adapters with command lscss -t 1732/03,1732/04 >> 2) bring new adapters online with command chccwdev -e >> 0.0.d500,0.0.d600,0.0.d700,0.0.f400 >> 3) verify adapters with command lszfcp -D >> 4) attach new luns with zfcpconf.sh script (script to attach wwpns to >> the adpaters and add the luns to the adapters). >> 5) run mkinitrd and zipl >> >> Here is the output for q fcp from the servers. >> >> for lxd10042 cmd q fcp >> LXD10042 : FCP D500 ON FCP D50F CHPID 99 SUBCHANNEL = 0001 >> LXD10042 : D500 TOKEN = 0000003663C14A00 >> LXD10042 : D500 DEVTYPE FCP VIRTUAL CHPID 99 FCP REAL CHPID >> 99 >> LXD10042 : D500 QDIO ACTIVE QIOASSIST ACTIVE QEBSM >> LXD10042 : D500 >> LXD10042 : D500 INP + 01 IOCNT = 00000239 ADP = 128 PROG = 000 >> UNAVAIL = 000 >> LXD10042 : D500 BYTES = 0000000000000000 >> LXD10042 : D500 OUT + 01 IOCNT = 00000255 ADP = 000 PROG = 128 >> UNAVAIL = 000 >> LXD10042 : D500 BYTES = 000000000013D5E8 >> LXD10042 : D500 DATA ROUTER ELIGIBLE >> LXD10042 : FCP D600 ON FCP D60F CHPID 9A SUBCHANNEL = 0002 >> LXD10042 : D600 TOKEN = 0000003663C14080 >> LXD10042 : D600 DEVTYPE FCP VIRTUAL CHPID 9A FCP REAL CHPID >> 9A >> LXD10042 : D600 QDIO ACTIVE QIOASSIST ACTIVE QEBSM >> LXD10042 : D600 >> LXD10042 : D600 INP + 01 IOCNT = 00000241 ADP = 128 PROG = 000 >> UNAVAIL = 000 >> LXD10042 : D600 BYTES = 0000000000000000 >> LXD10042 : D600 OUT + 01 IOCNT = 00000255 ADP = 000 PROG = 128 >> UNAVAIL = 000 >> LXD10042 : D600 BYTES = 000000000013D5E8 >> LXD10042 : D600 DATA ROUTER ELIGIBLE >> LXD10042 : FCP D700 ON FCP D70F CHPID 9B SUBCHANNEL = 0003 >> LXD10042 : D700 TOKEN = 0000003663C14980 >> LXD10042 : D700 DEVTYPE FCP VIRTUAL CHPID 9B FCP REAL CHPID >> 9B >> LXD10042 : D700 QDIO ACTIVE QIOASSIST ACTIVE QEBSM >> LXD10042 : D700 >> LXD10042 : D700 INP + 01 IOCNT = 00048862 ADP = 128 PROG = 000 >> UNAVAIL = 000 >> LXD10042 : D700 BYTES = 0000000000000000 >> LXD10042 : D700 OUT + 01 IOCNT = 00049718 ADP = 000 PROG = 128 >> UNAVAIL = 000 >> LXD10042 : D700 BYTES = 000000001E189688 >> LXD10042 : D700 DATA ROUTER ELIGIBLE >> LXD10042 : FCP F400 ON FCP F40F CHPID 98 SUBCHANNEL = 0000 >> LXD10042 : F400 TOKEN = 0000003663C14400 >> LXD10042 : F400 DEVTYPE FCP VIRTUAL CHPID 98 FCP REAL CHPID >> 98 >> LXD10042 : F400 QDIO ACTIVE QIOASSIST ACTIVE QEBSM >> LXD10042 : F400 >> LXD10042 : F400 INP + 01 IOCNT = 00000239 ADP = 128 PROG = 000 >> UNAVAIL = 000 >> LXD10042 : F400 BYTES = 0000000000000000 >> LXD10042 : F400 OUT + 01 IOCNT = 00000255 ADP = 000 PROG = 128 >> UNAVAIL = 000 >> LXD10042 : F400 BYTES = 000000000013D5E8 >> LXD10042 : F400 DATA ROUTER ELIGIBLE >> LXD10042 : HCPFOR069I Command Complete. CP return code = 0000. >> >> Thanks >> Scott >> >> >> >> The information in this transmission may contain proprietary and >> non-public information of BB&T or its affiliates and may be subject >> to protection under the law. The message is intended for the sole use >> of the individual or entity to which it is addressed. If you are not >> the intended recipient, you are notified that any use, distribution >> or copying of the message is strictly prohibited. If you received >> this message in error, please delete the material from your system >> without reading the content and notify the sender immediately of the >> inadvertent transmission. >> >> --------------------------------------------------------------------- >> - 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/ The information in this transmission may contain proprietary and non-public information of BB&T or its affiliates and may be subject to protection under the law. 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