On Fri, Jun 26, 2009 at 3:07 PM, Jan Kalcic<[email protected]> wrote: > Andrew Beekhof wrote: >> On Fri, Jun 26, 2009 at 10:55 AM, Jan<[email protected]> wrote: >> >>> Hi, >>> >>> a very boring issue with stonith using the plugin external/riloe (never used >>> it). Whenever I try to simulate a split-brain condition (using iptables) in >>> order to test stonith, both nodes kill each other. Not exactly what >>> expected. >>> >> >> Sure it is >> >> [snip] >> >> >>> <nvpair id="nvpair-56c027e0-80c8-49a7-9cf1-1af593a9391f" >>> name="no-quorum-policy" >>> value="ignore"/> >>> >> >> With that option, this is exactly what I'd expect. >> >> Have a read of: >> http://ourobengr.com/ha >> > For what I understood, probably wrongly, that should be the right option > for a two nodes cluster, where only one node can't have quorum, that's > why should be "ignore". Is this wrong? > > I had already taken a quick look at that document (I love that picture > btw) but not as deeply as now. I am going to review my timeout for sure. > Anyway, I don't get any hint about the quorum setting. Should it be > different that "ignore"?
No, thats the right value for a two node cluster. But that value can also leads to the behavior you described. Though normally one side shoots the other before it can shoot back. > My issue isn't exactly the deathmatch described there, first of all > because the openais daemon is disable at boot and secondly because the > stonith policy is poweroff. Rather, is a strange situation where both > nodes kill themselves and they both shutdown. They'd both be killing each other. > I wonder if it is a timeout issue. My timeout here for the stonith > resource is 15s. Does it mean that when a stonith is sent by the first > node to the second one and this node can't shutdown itself in 15s, it > stonith the first node? No. This is unrelated _______________________________________________ Linux-HA mailing list [email protected] http://lists.linux-ha.org/mailman/listinfo/linux-ha See also: http://linux-ha.org/ReportingProblems
