> Unless clustered LVM locking is enabled and working: > # sed -ri 's/^([ \t]+locking_type).*/ locking_type = 3/' > /etc/lvm/lvm.conf > # sed -ri 's/^([ \t]+fallback_to_local_locking).*/ > fallback_to_local_locking = 1/' /etc/lvm/lvm.conf > # vgchange -cy VG_NAME > # service clvmd start > # vgs|grep VG_NAME > > Of cause, this may vary from one distro to another. > > Further step can be declaring clvmd as a pacemaker clone resource (but > stock Fedora clvmd LSB script is badly suitable for this, so I use > slightly modified version of OSF RA published by Novell). > > BTW config above has master-max="2"... > The only thing missing there is a clone for groLVM-OCFS (or clones for > individual primitives + extra colocations/orders). > > Jean-Francois, you can try (assuming you set up cLVM): > primitive resDRBDr1 ocf:linbit:drbd params drbd_resource="r1" ... > primitive resLVM ocf:heartbeat:LVM params volgrpname="xen_vg" ... > primitive resOCFS2 ocf:heartbeat:Filesystem fstype="ocfs2" ... > primitive resXen1 ocf:heartbeat:Xen \ > params xmfile="/etc/xen/xen1cfg" name="xen1" \ > meta allow-migrate="true" > group groLVM-OCFS resLVM resOCFS2 > clone cl-groLVM-OCFS groLVM-OCFS \ > meta interleave="true" > ms msDRBDr1 resDRBDr1 \ > meta notify="true" master-max="2" interleave="true" > colocation colLVM-OCFS-on-DRBDr1Master inf: cl-groLVM-OCFS msDRBDr1:Master > colocation colXen-with-OcfsXen inf: resXen1 cl-groLVM-OCFS > order ordDRBDr1-before-LVM inf: msDRBDr1:promote cl-groLVM-OCFS:start > order ordLVM-OCFS-before-Xen inf: cl-groLVM-OCFS:start resXen1:start
Ah, you should also run dlm_controld before clvmd (or dlm_controld.pcmk, depending on what stack does your cluster use) and ocfs2_controld(.pcmk) in parallel with clvmd. This is outlined in pacemaker docs. > > This should help (I use something similar for KVM with live migration). > > Best, > Vladislav > > _______________________________________________ > 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://developerbugs.linux-foundation.org/enter_bug.cgi?product=Pacemaker _______________________________________________ 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://developerbugs.linux-foundation.org/enter_bug.cgi?product=Pacemaker
