ORA-00471

ORA-00471 by IO Failure

by Ed Chen
November 6, 2019July 23, 2022

ORA-00471: DBWR process terminated with error When we found ORA-00471 in alert log, the running instance is shutdown. Errors in file /oracle/admin/ORCL/bdump/ORCL_dbw5_43853451.trc: ORA-07445: exception encountered:… Read More »

What Makes Instance Shutdown Itself

by Ed Chen
November 6, 2019November 22, 2022

What makes a running instance shutdown itself could be a very complicated topic to talk about, because we have to know what instance was thinking.… Read More »

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