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<p class="MsoNormal">Hi all:<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="EN-US">First of all, I’m a begineer in this field but I got to manage Pacemaker on a Ubuntu 10.04 cluster fw. That’s is, 2 fw in a Active/Passive environment.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Last Thursday I changed the netmask of an interface (from /28 to /27) on both appliances (but I didn’t change the netmask in the crm configure section). Since then, the cluster was down for 20 minutes (no internet, no
mail, everything down). Don’t know how but after that 20 minutes, the node is always passive (Node2) got the Active rol and so far it keeps it.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Right now, in Node1 I can see the next (through the
<i>crm_mon -fo1</i> command):<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><i><span lang="EN-US">IP_Cluster_vlan493: migration-threshold=1000000 fail-count=1000000<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span lang="EN-US"> + (849) start: rc=1 (unknown error)<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span lang="EN-US"> + (850) stop: rc=0 (ok)</span></i><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Node 2 has got the same configuration in /etc/network/interfaces and crm than Node1 but there is no problem with that interface:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><i><span lang="EN-US">IP_Cluster_vlan493: migration-threshold=1000000<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span lang="EN-US"> + (415) stop: rc=0 (ok)<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span lang="EN-US"> + (437) start: rc=0 (ok)<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span lang="EN-US"> + (438) monitor: interval=10000ms rc=0 (ok)<o:p></o:p></span></i></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">The <i>crm_verify –VL</i> you can see:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><i><span lang="EN-US">Node1# crm_verify -VL<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span lang="EN-US">crm_verify[13965]: 2017/02/20_09:29:32 WARN: unpack_rsc_op: Processing failed op IP_Cluster_vlan493_start_0 on TAfwx01: unknown error (1)<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span lang="EN-US">crm_verify[13965]: 2017/02/20_09:29:32 WARN: common_apply_stickiness: Forcing IP_Cluster_vlan493 away from TAfwx01 after 1000000 failures (max=1000000)<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span lang="EN-US">Node1#<o:p></o:p></span></i></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">The output of that command in Node2 is:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><i><span lang="EN-US">Node2# crm_verify -VL<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span lang="EN-US">crm_verify[20373]: 2017/02/20_09:56:32 WARN: unpack_rsc_op: Processing failed op IP_Cluster_vlan493_start_0 on Node1: unknown error (1)<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span lang="EN-US">crm_verify[20373]: 2017/02/20_09:56:33 WARN: common_apply_stickiness: Forcing IP_Cluster_vlan493 away from Node1 after 1000000 failures (max=1000000)<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span lang="EN-US">Node2#<o:p></o:p></span></i></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">If both of them’s got the same configuration, how is it possible vlan493 is working fine in Node2 but fails in Node1??<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Thanks a lot for your help<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Regards<o:p></o:p></span></p>
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