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FRA is full and cannot connect to SQL*Plus

Oracle Database Tips by Donald BurlesonJune 7, 2016

Question: What causes a login to SQL*Plus to fail with an ORA-12154 error when my fast recovery area (FRA) becomes full?  Why does Oracle need the FRA at login time?

Answer:  Clearly, Oracle needed to write to the FRA at login time, and this makes sense since the FRA contains redo information that would be needed to roll-back a SQL*Plus login.

Oracle has a product user profile script that inserts into Oracle, and this needed to be logged in the FRA: See  product_user_profile, created when you run the pupbld.sql script  The central object behind this security model is a table called sqlplus_product_profile, owned by the user SYSTEM, not SYS.

The solution is to remove data from the FRA (see removing FRA logs )and/or increase the parameter DB_RECOVERY_FILE_DEST_SIZE.

alter system set DB_RECOVERY_FILE_DEST_SIZE=800G scope=both;

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