Sunday 21 April 2013

ORA-00443: background process "DIAG" did not start


ORA-00443: background process "DIAG" did not start

This error is encountered while trying to startup the oracle 11gR2 database for the first time after the oracle software installation.

The reason for this error is that the value of the parameter MEMORY_TARGET is not enough to accomodate the background processes.

So I increased the value of the parameter MEMORY_TARGET to a greater value(less than the shared memory file system size) which has resolved this error. 


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