[Pacemaker] Cluster with fc18 and fc17 nodes.

[Francis SOUYRI]

Hello,

For a long time I used heartbeat/drbd for 2 nodes clusters with Fedora, 
I used the internal crm of heartbeat not pacemaker.

I planned to upgrade from the fc17 to the fc18, but on fc18 heartbeat is 
obsolete and I have to change to corosync/pacemaker.
For information the heartbeat fc17 package work fine on fc18 and the 
cluster with a node fc17 and the other fc18 (without the firewall 
activated by default !!!) work perfectly (The final configuration is to 
have the both node in fc18).

But the corosync/pacemaker do not work with a fc17 node and a fc18 node.

I have these packages.

drbd-pacemaker-8.4.2-1.fc17.i686
pacemaker-libs-1.1.7-2.fc17.i686
pacemaker-1.1.7-2.fc17.i686
corosync-2.3.0-1.fc17.i686
corosynclib-2.3.0-1.fc17.i686
pacemaker-cli-1.1.7-2.fc17.i686
pacemaker-cluster-libs-1.1.7-2.fc17.i686

pacemaker-libs-1.1.9-0.1.70ad9fa.git.fc18.i686
pacemaker-1.1.9-0.1.70ad9fa.git.fc18.i686
drbd-pacemaker-8.4.2-1.fc18.i686
pacemaker-cluster-libs-1.1.9-0.1.70ad9fa.git.fc18.i686
pacemaker-cli-1.1.9-0.1.70ad9fa.git.fc18.i686
corosynclib-2.3.1-1.fc18.i686
corosync-2.3.1-1.fc18.i686

The corosync config :

totem {
version: 2
secauth: off
cluster_name: cluster
   interface {
         ringnumber: 0
         bindnetaddr: 192.168.1.0
         ttl: 1
   }
transport: udpu
}

nodelist {
   node {
         ring0_addr: noeud1.xxxx.fr
        }
   node {
         ring0_addr: noeud2.xxxx.fr
        }
}

quorum {
provider: corosync_votequorum
}

logging {
to_syslog: yes
debug: off
}

A short time after starting pacemaker I have this.

FC18 node:

Corosync Nodes:
  noeud1.xxxx.fr noeud2.xxxx.fr
Pacemaker Nodes:
  noeud1.xxxx.fr noeud1.xxxx.fr noeud2.xxxx.fr noeud2.xxxx.fr

<node id="-33445696" uname="noeud2.xxxx.fr" type="normal"/>
<node id="-1062731267" uname="noeud1.xxxx.fr" type="normal"/>
<node id="3232236029" uname="noeud1.xxxx.fr"/>
<node id="4261521600" uname="noeud2.xxxx.fr"/>

Why four nodes ?!? What are the nodes 3232236029 and 4261521600 ?

FC17 node:

Corosync Nodes:
  noeud1.xxxx.fr noeud2.xxxx.fr
Pacemaker Nodes:
  noeud1.xxxx.fr noeud2.xxxx.fr

<node id="-33445696" uname="noeud2.xxxx.fr" type="normal"/>
<node id="-1062731267" uname="noeud1.xxxx.fr" type="normal"/>

On the FC17 I have some messages like this "error: cib_perform_op: 
Discarding update with feature set '3.0.7' greater than our own '3.0.6'".
On the FC18 "warning: cib_process_replace: Replacement 0.5.4 from 
noeud2.xxxx.fr not applied to 0.9.0: current epoch is greater than the 
replacement"

Pacemaker 1.1.7 and 1.1.9 are not compatible ?

Best regards.

Francis