OHASD doesn’t start – 11gR2

Few weeks back had an issue where 2nd node of 4-node RAC got evicted and the alert log showed the below error before the instance was evicted - Errors in file /u04/oraout/matrix/diag/rdbms/matrix_adc/matrix2/trace/matrix2_ora_8418.trc (incident=16804): ORA-00603: ORACLE server session terminated by fatal error ORA-27504: IPC error creating OSD context ORA-27300: OS system dependent operation:if_not_found failed with status: … Continue reading OHASD doesn’t start – 11gR2