On Thu, Nov 3, 2011 at 4:32 PM, Tim Serong <[email protected]> wrote: > On 11/03/2011 04:11 PM, Vladislav Bogdanov wrote: >> 02.11.2011 16:36, Nick Khamis wrote: >>> Vladislav, >>> >>> Thank you so much for your response. Just to make sure, all I need is to: >>> * Apply the three patches to cman. Found here >>> "http://www.gossamer-threads.com/lists/linuxha/pacemaker/75164?do=post_view_threaded";. >>> * Recompile CMAN >>> * Do I have to recompile PCMK again? >>> >>> I also want to mention that fencing is not important right now, and I >>> would like to disable fencing JUST for the prototype, >>> and untill things are going. I am almost there (cman-pcmk+ocfs2) with >> >> That patches are for fencing only. >> I have no idea about what goes wrong with your ocfs2_controld, I gave up >> on trying ocfs2 because it hangs the whole cluster for me. > > That reminds me... Nick, if you disable fencing (even for your > prototype), and you experience (or try to test) any kind of split brain, > or you kill one node (ungracefully), the clustered filesystem on all the > other (surviving) nodes will freeze/lock up, because the cluster is > unable to fence the failed node. Even if you choose something like > meatware (see http://clusterlabs.org/doc/crm_fencing.html), you should > still configure *some* means of fencing for any prototype system that's > going to need fencing when put into production :)
The current git code (and 1.1.7 when it comes out) no longer require a device to be configured. Simply run: stonith_admin --confirm $node _______________________________________________ Linux-HA mailing list [email protected] http://lists.linux-ha.org/mailman/listinfo/linux-ha See also: http://linux-ha.org/ReportingProblems
