Our Unix team define a z/Linux cluster with db2 and other with oracle. We cap those servers to 25% relative share. The oracle server works fine, but the db2 reboot losing the SAN connectivity. The Unix guy argue that the problem is the cap. This is the log files from the db2 server.
Dec 18 15:00:03 tepst1 sbd: [5531]: WARN: Servant for /dev/mapper/clustersbd outdated (age: 4) Dec 18 15:00:03 tepst1 sbd: [5531]: WARN: Majority of devices lost - surviving on pacemaker Dec 18 15:00:14 tepst1 sbd: [5531]: WARN: Servant for /dev/mapper/clustersbd outdated (age: 7) Dec 18 15:00:14 tepst1 sbd: [5531]: WARN: Pacemaker state outdated (age: 5) Dec 18 15:00:14 tepst1 sbd: [5531]: WARN: Majority of devices lost - surviving on pacemaker Dec 18 15:00:19 tepst1 sbd: [5533]: WARN: Latency: 12 exceeded threshold 3 on disk /dev/mapper/clustersbd Dec 18 15:00:19 tepst1 sbd: [5531]: WARN: Pacemaker state outdated (age: 4) Dec 18 15:00:45 tepst1 sbd: [5531]: WARN: Servant for /dev/mapper/clustersbd outdated (age: 4) Dec 18 15:00:45 tepst1 sbd: [5531]: WARN: Majority of devices lost - surviving on pacemaker Dec 18 15:00:46 tepst1 sbd: [5533]: WARN: Latency: 5 exceeded threshold 3 on disk /dev/mapper/clustersbd Dec 18 15:01:14 tepst1 sbd: [5531]: WARN: Servant for /dev/mapper/clustersbd outdated (age: 4) Dec 18 15:01:14 tepst1 sbd: [5531]: WARN: Majority of devices lost - surviving on pacemaker Dec 18 15:01:14 tepst1 sbd: [5533]: WARN: Latency: 5 exceeded threshold 3 on disk /dev/mapper/clustersbd Dec 18 15:01:36 tepst1 sbd: [5533]: WARN: Latency: 4 exceeded threshold 3 on disk /dev/mapper/clustersbd Dec 18 15:01:36 tepst1 sbd: [5531]: WARN: Pacemaker state outdated (age: 4) Dec 18 15:01:47 tepst1 sbd: [5531]: WARN: Servant for /dev/mapper/clustersbd outdated (age: 6) Dec 18 15:01:47 tepst1 sbd: [5531]: WARN: Majority of devices lost - surviving on pacemaker Dec 18 15:01:47 tepst1 sbd: [5533]: WARN: Latency: 6 exceeded threshold 3 on disk /dev/mapper/clustersbd Dec 18 15:01:53 tepst1 sbd: [5531]: WARN: Servant for /dev/mapper/clustersbd outdated (age: 4) Dec 18 15:01:53 tepst1 sbd: [5531]: WARN: Majority of devices lost - surviving on pacemaker Dec 18 15:01:53 tepst1 sbd: [5533]: WARN: Latency: 5 exceeded threshold 3 on disk /dev/mapper/clustersbd Dec 18 15:02:07 tepst1 sbd: [5533]: WARN: Latency: 4 exceeded threshold 3 on disk /dev/mapper/clustersbd Dec 18 15:02:16 tepst1 sbd: [5531]: WARN: Servant for /dev/mapper/clustersbd outdated (age: 4) Dec 18 15:02:16 tepst1 sbd: [5531]: WARN: Majority of devices lost - surviving on pacemaker Dec 18 15:02:25 tepst1 sbd: [5531]: WARN: Pacemaker state outdated (age: 4) Dec 18 15:02:29 tepst1 sbd: [5531]: WARN: Servant for /dev/mapper/clustersbd outdated (age: 4) Dec 18 15:02:29 tepst1 sbd: [5531]: WARN: Majority of devices lost - surviving on pacemaker IMPORTANT: the timeout of the SBD disk is determine with: sbd -d /dev/mapper/clustersbd dump ==Dumping header on disk /dev/mapper/clustersbd Header version : 2.1 UUID : 6272a75a-26cf-4f69-95c9-2d1db151a358 Number of slots : 255 Sector size : 512 Timeout (watchdog) : 15 Timeout (allocate) : 2 Timeout (loop) : 1 Timeout (msgwait) : 30 We have z/vm 6.3 under SSI. z/Linux version SLES 11 SP3. Regards. Victor Echavarry System Programmer, EVERTEC LLC WARNING: This email and any files transmitted with it are confidential and intended solely for the use of the individual or entity to whom they are addressed. If you have received this email in error please delete it immediately. Please note that any views or opinions presented in this email are solely those of the author and do not necessarily represent those of EVERTEC, Inc. or its affiliates. Finally, the integrity and security of this message cannot be guaranteed on the Internet, and as such EVERTEC, Inc. and its affiliates accept no liability for any damage caused by any virus transmitted by this email. ---------------------------------------------------------------------- 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/
