How do i check pacemaker cluster membership and quorum?



  • These commands are good cluster state checks.

    Four lines for each node. Everything looks in sync here.

    # corosync-cmapctl  | grep members
    runtime.totem.pg.mrp.srp.members.1.config_version (u64) = 0
    runtime.totem.pg.mrp.srp.members.1.ip (str) = r(0) ip(192.168.50.1) 
    runtime.totem.pg.mrp.srp.members.1.join_count (u32) = 1
    runtime.totem.pg.mrp.srp.members.1.status (str) = joined
    runtime.totem.pg.mrp.srp.members.2.config_version (u64) = 0
    runtime.totem.pg.mrp.srp.members.2.ip (str) = r(0) ip(192.168.50.2) 
    runtime.totem.pg.mrp.srp.members.2.join_count (u32) = 1
    runtime.totem.pg.mrp.srp.members.2.status (str) = joined
    

    Check cluster membership, shows local host "(local)"

    # pcs status corosync
    
    Membership information
    ----------------------
        Nodeid      Votes Name
             1          1 u1priv (local)
             2          1 u2priv
    

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