[Mauiusers] Nodes go to "State: Drained" without being asked to do
itaym.tau at gmail.com
Mon Jan 5 05:50:37 MST 2009
We have a Torque/PBS/MAUI system with 30 compute nodes.
During the last few days, we expirience a strange phenomena : certain
compute nodes go to 'State: Drained' , while the cluster admins didn't ask
these nodes to go to drained mode.
We found that using the following command says:
[root at cluster sbin]$ checknode node23
checking node bioc23.tau.ac.il
State: Drained (in current state for 1:02:30:43)
We can set the node back to Idle by using
mnodectl host=node23 modify state=Idle
This works fine. But why do nodes go drained state without being asked for,
and how can we troubleshoot or prevent this from happenins?
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