adop prepare cutover Phase is Hanging ; Running Forever in multi-node (Doc ID 1986770.1)

Last updated on AUGUST 14, 2016

Applies to:

Oracle Applications DBA - Version 12.2 to 12.2.4 [Release 12.2Cloud]
Information in this document applies to any platform.

Symptoms

 On EBS R12.2 multinode instance, if the number of nodes exceed 10, then adop cutover is hanging forever.you started the prepare phase that has started running on the some of the slave nodes, but not starting on Master node (where Admin server is running).

 $ adop phase=prepare

Node Name Node Type Phase Status Started   
--------------- --------------- --------------- --------------- 
ebs_122_server_01 master PREPARE NOT STARTED 
 
<<<<< 
ebs_122_server_02 slave PREPARE RUNNING 24-FEB-15 02:30:44 +00:00 
ebs_122_server_03 slave PREPARE RUNNING 24-FEB-15 07:59:42 +00:00 <<<<< Started 5.5 hours later than others.
ebs_122_server_04 slave PREPARE RUNNING 24-FEB-15 02:30:44 +00:00 
ebs_122_server_05 slave PREPARE RUNNING 24-FEB-15 02:32:30 +00:00 
ebs_122_server_06 slave PREPARE NOT STARTED

 

Cause

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