On Thu, Apr 19, 2012 at 4:14 PM, Parshvi <parshvi...@gmail.com> wrote: > Dan Frincu <df.cluster@...> writes: > >> >> Hi, >> >> On Thu, Apr 19, 2012 at 2:11 PM, Parshvi <parshvi.17 <at> gmail.com> wrote: >> > Major issues: >> > 1) Corosync reaching over 100% cpu usage. >> > 2) Corosync unable to stop gracefully. >> > 3) Virtual IP of a resources being assigned as the primary IP on a > interface, >> > after a cable disconnect/reconnect on that interface. The static IP on the >> > interface shown as global secondary IP. >> > >> > Use case: >> > 1) Two nodes in a cluster. >> > 2) Two communication paths exists between the two nodes, with “rrp_mode” >> > set > to >> > active in corosync.conf >> >> Are both links of the same speed? > yes. speed of each: 1000Mb/s >> >> > a. One path is a back-to-back connection between the nodes. >> > b. Second is via the LAN network switch. >> > 3) The network cable was unplugged on one of the nodes for a while (on both > the >> > interfaces). It was reconnected after a short while. >> > >> > Observations: >> > 1) Corosync service was taking 100% cpu on the node whose link was down: >> >> What version of Corosync? What OS? > Corosync Cluster Engine, version '1.2.7' SVN revision '3008' > OEL (Oracle Enterprise Linux release 5.6)
You need a newer version of Corosync. For redundant rings to work, 1.3.x or higher, for self healing redundant rings, 1.4.x. >> > >> Can you pastebin.com your crm configure show? > would do that in a followup mail. > > Thanks for a quick response Dan. > > Here is a snapshot of top: > > PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND > 4726 root RT 0 201m 5576 2004 R 100.4 0.1 36:35.31 corosync > > Logs and core file have been saved and can be posted if required. > My response inline. > > > > > > _______________________________________________ > Pacemaker mailing list: Pacemaker@oss.clusterlabs.org > http://oss.clusterlabs.org/mailman/listinfo/pacemaker > > Project Home: http://www.clusterlabs.org > Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf > Bugs: http://bugs.clusterlabs.org -- Dan Frincu CCNA, RHCE _______________________________________________ Pacemaker mailing list: Pacemaker@oss.clusterlabs.org http://oss.clusterlabs.org/mailman/listinfo/pacemaker Project Home: http://www.clusterlabs.org Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf Bugs: http://bugs.clusterlabs.org
