Saturday, October 22, 2011

PCP Setup is not working properly, unable to start the concurrent manager on N2

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Problem:     PCP Setup is not working properly, unable to start the concurrent manager on N2
Configured the PCP setup after cloning but the Concurrent manager is not starting on node 2 when node 1 was down.



Symptoms:
Failover issue, if Node 1 is down Node2 is not coming up.
Managers are running on both nodes, ICM is on node 1.
FNDIMON is running on both nodes before that node 1 is down? {FNDIMON is running on only 2nd Node.}


Solution:


FNDIMON should run on both nodes. 
So it should run on Node 1 before you put it down. 
Go to System Administrator / Concurrent / manager / define 
and query the fndimon for node 1. 
Click on Work shifts button and check that you have declared 1 process. If not please do it .
Save and go to Concurrent / manager / Administer 
Check that FNDIMON is ok on both nodes. 
Retest the issue after you are sure the FNDIMON is running on both nodes (Actual= Target =1)
 How do you put the node 1 down ? 
Using adstpall.sh

this is why you are not getting a failover! 
Adstpall.sh will not give you a failover. 
To get a failover you should bring down your node . Failover will happen when it is not possible to ping the node 1 . 
adstpall only shutdown services normaly and we can still ping the node . 
Summary : if Node1 is still available and pingable , there will not be a failover.


References:
Note 743716.1 How to Setup and Test Failover of PCP on Non-RAC Environments.


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