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Hello everybody.<br>
<br>
I'm trying to build an active/passive cluster for the Lustre
filesystem. <br>
Pacemaker is working fine in most situations except one: If a node
goes out of power in a 2-node cluster, and I am using fence_ipmilan
as fencing resource (for HP iLO2), the alive node is not able to
takeover the resources of the failed node. It tries to check the
fencing device trying to reboot it, but as the node is dead (no
power), the IPMI interface does not answer. <br>
<br>
Log says:<br>
<i><small>Mar 03 18:16:18 [20355] lustre03 stonith-ng: error:
remote_op_done: Operation reboot of lustre04 by lustre03 for
<a class="moz-txt-link-abbreviated" href="mailto:crmd.20359@lustre03.7a198338">crmd.20359@lustre03.7a198338</a>: No route to host</small></i><br>
<br>
<br>
Log knows what should do ('lustre04' node is the dead one and
'lustre03' is the alive one):<br>
<i><small><br>
warning: stage6: Scheduling Node lustre04 for STONITH<br>
Mar 03 18:16:18 [20358] lustre03 pengine: info:
native_stop_constraints: Fencing_Lustre03_stop_0 is
implicit after lustre04 is fenced<br>
Mar 03 18:16:18 [20358] lustre03 pengine: info:
native_stop_constraints: Resource_OST09_stop_0 is
implicit after lustre04 is fenced<br>
Mar 03 18:16:18 [20358] lustre03 pengine: info:
native_stop_constraints: Resource_OST06_stop_0 is
implicit after lustre04 is fenced<br>
Mar 03 18:16:18 [20358] lustre03 pengine: info:
native_stop_constraints: Resource_OST07_stop_0 is
implicit after lustre04 is fenced<br>
Mar 03 18:16:18 [20358] lustre03 pengine: info:
native_stop_constraints: Resource_OST08_stop_0 is
implicit after lustre04 is fenced<br>
Mar 03 18:16:18 [20358] lustre03 pengine: notice:
LogActions: <b> Move Fencing_Lustre03 (Started
lustre04 -> lustre03)</b><br>
Mar 03 18:16:18 [20358] lustre03 pengine: info:
LogActions: Leave Fencing_Lustre04 (Started
lustre03)<br>
Mar 03 18:16:18 [20358] lustre03 pengine: notice:
LogActions: <b> Move Resource_OST09 (Started lustre04
-> lustre03)</b><br>
Mar 03 18:16:18 [20358] lustre03 pengine: notice:
LogActions: <b>Move Resource_OST06 (Started lustre04
-> lustre03)</b><br>
Mar 03 18:16:18 [20358] lustre03 pengine: info:
LogActions: Leave Resource_OST04 (Started lustre03)<br>
Mar 03 18:16:18 [20358] lustre03 pengine: info:
LogActions: Leave Resource_OST05 (Started lustre03)<br>
Mar 03 18:16:18 [20358] lustre03 pengine: notice:
LogActions: <b> Move Resource_OST07 (Started lustre04
-> lustre03)</b><br>
Mar 03 18:16:18 [20358] lustre03 pengine: notice:
LogActions: <b> Move Resource_OST08 (Started lustre04
-> lustre03)</b></small></i><br>
<br>
...but these operations never happen. If it can't fence the dead
node, the resources are not takeovered.<br>
<br>
This is an infinite loop and resources are never takeovered.<br>
<br>
Is there a way to say the cluster what to do in this case?. <br>
<br>
Best regards<br>
<br>
<br>
<br>
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