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Add an optional control to stop HADR when non-logged operation occurred on primary
Currently, if there were non-logged operation such as loading data into a table on HADR primary, the log replay will continue on standby and the HADR state is still peer. But that table on standby can't be accessed. The application may not work on new primary when takeover occurred. Although DB2 has a database parameter BLOCKNONLOGGED to block non logged operations, but there is chance somebody turn it off and load data. If he didn't rebuild HADR standby, and DB2 showed HADR state is normal, it's possible to lead to a big problem when the system really need to take over.
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