On 26/10/11 17:14, [email protected] wrote: > Hi Tim, > > I spoke of ocfs2.pcmk , and I configured all the things as documented > so that we got a unique cluster "pcmk" for both stacks : ocfs2 and > pacemaker, > and did many tests and "tuning" to make it work, but ... it was defintely > not > working.
Ah, OK, I misinterpreted your last email, sorry. > I completely do agree that making a cluster ocfs2 "besides" the cluster > pacemaker > will definetely not work , but the configuration with dlm and ocfs2 pcmk > stack > are specific to work under pacemaker (so there is no ocfs2.conf, the name > of > the ocfs2 cluster is "pcmk") , but it does not work at all on RHEL6, it > perhaps > was working on previous RH releases, but Oracle told me that (in fall > 2010) > they had not "updated" even "tested" the ocfs2.pcmk stack to work with > Pacemaker on RHEL6 ... but perhaps things have been done now (I doubt) I assume it worked on Fedora ~11 (which that previous Clusters from Scratch refers to), and I know it's well tested on SLES ;-) but like I said, I can't speak for OCFS2 on Pacemaker on RHEL. Regards, Tim > > Regards > Alain > > > > De : Tim Serong<[email protected]> > A : [email protected] > Date : 26/10/2011 08:00 > Objet : Re: [Linux-HA] PCMK + OCFS2 > Envoyé par : [email protected] > > > > On 26/10/11 16:42, [email protected] wrote: >> Hi Nick, >> >> I spent e few weeks to try to make this stack ocfs2.pcmk working with >> pacemaker/corosync stack >> last fall 2010, and this stack was definitely not working on RH. Many >> conflicts >> between ocfs2 clustering and pacemaker clustering leading to both nodes >> killed >> or at least ocfs2 fs read-only whereas the other node was fenced, etc. I >> give up >> on this stack. >> I 'm very curious to know if it works now (at least on RHEL6) but I > don't >> think so >> as the response of Oracle last year was that they did not work on this >> stack again. >> But perhaps they have now ... > > You can't (or at least, seriously shouldn't - that way lies madness) > have both Pacemaker and O2CB simultaneously managing the cluster. > > I can't speak for OCFS2 support on Debian or RHEL, but I can suggest > reading: > > * The previous version of Clusters from Scratch (labelled "OpenAIS") at > http://www.clusterlabs.org/wiki/Documentation (this is old, but refers > to OCFS2). > > * The relevant chapter of the SLE HA documentation: > http://www.novell.com/documentation/sle_ha/book_sleha/?page=/documentation/sle_ha/book_sleha/data/part_storage.html > > > * Lars' blog post about using clone-of-group configuration in Pacemaker: > http://www.advogato.org/person/lmb/diary/104.html > > HTH, > > Tim > >> >> Let us know. >> Thanks a lot >> Alain Moullé >> >> >> >> De : Nick Khamis<[email protected]> >> A : General Linux-HA mailing list<[email protected]> >> Date : 25/10/2011 20:14 >> Objet : [Linux-HA] PCMK + OCFS2 >> Envoyé par : [email protected] >> >> >> >> Hello Everyone, >> >> Moving forward, I noticed that there was not much documentation >> regarding getting the pcmk stack working >> with ocfs2. I have the configuration up and running however, missed >> the part regarding getting what is required >> for pcmk+ocfs support (to get ocf:pacemaker:controld + >> ocf:pacemaker:o2cb working). >> >> Everything is build from source using the latest version of Glue, RA, >> PCMK, and OpenAIS. OCFS2 works fine >> manually, and now I am trying to get corosync to handle it. This is on >> a prototype environment right now using >> Debian Squeeze however, will be using an EL like Red Hat for >> production. No stonith is required just yet, but if >> the documentation includes that as well it would be beneficial very > soon. >> >> I did find: >> > http://oss.clusterlabs.org/pipermail/pacemaker/attachments/20091013/b7980710/attachment.bat > >> >> from >> 2009 but reckon a lot has changed since then? >> >> Thanks in Advance as Always, >> >> Nick from Toronto. >> _______________________________________________ >> Linux-HA mailing list >> [email protected] >> http://lists.linux-ha.org/mailman/listinfo/linux-ha >> See also: http://linux-ha.org/ReportingProblems >> >> _______________________________________________ >> Linux-HA mailing list >> [email protected] >> http://lists.linux-ha.org/mailman/listinfo/linux-ha >> See also: http://linux-ha.org/ReportingProblems >> > _______________________________________________ > Linux-HA mailing list > [email protected] > http://lists.linux-ha.org/mailman/listinfo/linux-ha > See also: http://linux-ha.org/ReportingProblems > > _______________________________________________ > Linux-HA mailing list > [email protected] > http://lists.linux-ha.org/mailman/listinfo/linux-ha > See also: http://linux-ha.org/ReportingProblems > _______________________________________________ Linux-HA mailing list [email protected] http://lists.linux-ha.org/mailman/listinfo/linux-ha See also: http://linux-ha.org/ReportingProblems
