RMAN-00571: =========================================================== RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS =============== RMAN-00571: =========================================================== RMAN-03002: failure of Duplicate Db command at 06/26/2024 05:32:00 RMAN-05501: aborting duplication of target database RMAN-06617: UNTIL TIME (20-JUN-24) is ahead of last NEXT TIME in archived logs (20-JUN-24) |
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Oracle Installation guides, Linux Administration tips for DBAs, Performance Tuning tips, Disaster Recovery, RMAN, Dataguard and ORA errors solutions.
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Friday, June 28, 2024
RMAN-06617: UNTIL TIME (20-JUN-24) is ahead of last NEXT TIME in archived logs...
Wednesday, May 29, 2024
ORA-00821: Specified value of sga_target 5120M is too small, needs to be at least 12352M
Friday, May 24, 2024
ORA-04036: PGA memory used by the instance exceeds PGA_AGGREGATE_LIMIT
This is a very critical error message that many applications started seeing since 12c. Prior to 12c, PGA of a server process could grow unabatedly. After the advent of PGA_AGGREGATE_LIMIT, PGA usage for all connected sessions could be limited to avoid enormous growth of PGA memory due to bad PL/SQL code (or due to an Oracle bug causing a process memory leak). Whenever total PGA usage by all sessions tries to go beyond the value set in this parameter, ORA-04036 is returned to the session and also logged in the alert log file (and trace file is also generated) . Alert log file could log error message similar to the following.
Monday, May 20, 2024
ORA-13792: This operation requires a database link
There could be other reasons for this message to appear while you are trying to execute something in a standby database (or perhaps on primary database), however, in my case, this message was returned when I was trying to create an SQL Tuning Advisor task and wanted to submit for advisor’s recommendations. While doing so, I did not realize that I was actually trying to execute this on physical standby database. Following is the entire error stack that was returned.
Friday, March 29, 2024
ORA-00371: not enough shared pool memory, should be at least 16341008384 byte
SQL> startup pfile=initaux.ora ORA-00371: not enough shared pool memory, should be at least 16341008384 bytes |
Whenever we start an oracle database instance, it requires memory to allocate some memory components of the SGA so that instance could serve the database and database sessions. If we do not specify size of memory components, we might face errors during instance startup. sga_target is the basing parameter to specify before we start an instance and other memory components like shared pool, buffer cache, or log buffer cache are allocated from the memory allocated to SGA.
Wednesday, January 10, 2024
ORA-56747: invalid value ... for parameter sga_target
SQL> alter system set sga_target=4257m; alter system set sga_target=4257m * ERROR at line 1: ORA-02097: parameter cannot be modified because specified value is invalid ORA-56747: invalid value 4463788032 for parameter sga_target; must be smaller than parameter sga_target of the root container |
Tuesday, November 28, 2023
ORA-02149: Specified partition does not exist
If you are performing a datapump export and you are returned following error for one or more tables, this means that probably a simultaneous partition maintenance operation is in progress during this time this table was accessed for export. ORA-31693, ORA-02354, ORA-02149
ORA-31693: Table data object "<TABLE_OWNER>."<TABLE_NAME>":"<PARTITION_NAME>" failed to load/unload and is being skipped due to error: ORA-02354: error in exporting/importing data ORA-02149: Specified partition does not exist |
Saturday, November 25, 2023
RMAN-20208: UNTIL CHANGE is before RESETLOGS change
If you are performing a SCN or time based recovery and RMAN-20208 is returned, It means that there was a SCN or time-based recovery previously done after which database was opened with reset logs, and now database has a new incarnation number. If you once again want to perform a recovery for any reason, or previously done incomplete recovery was not until the point where we wanted database to be, you need to reset the incarnation of the database and repeat the incomplete recovery process.
Friday, November 3, 2023
Database Point in Time Recovery of a Pluggable Database and Conventional Databases
Starting 12c with the introduction of pluggable databases, we can perform point-in-time recovery either at CDB (container database) level or at individual pluggable databases level, in a multi-container CDB. CDB level recovery is same as conventional database point-in-time recovery that existed prior to 12c. In this document I will explain how to perform point-in-time recovery of a CDB (that could be a non-container database, or a multi-container database with one or more PDBs); and also, recovery of an individual PDB in a multi-container CDB database.
Thursday, October 5, 2023
Performing Flashback Restore using SCN or Time
This document explains how to enable database flashback, creating restore points and performing recovery using guaranteed restore point. In the following I will explain how we can perform a time based, or SCN based flashback restore. Before proceeding further, make sure that flashback is enabled, and flashback logs are also getting created in the fast recovery area. Flashback logs are managed automatically, and oldest flashback logs are purged by oracle if there is a space crunch sensed in the fast recovery area. Oracle will try to keep flashback logs until the time (in the past) specified in the parameter db_flashback_retention_target. However, this value is only a soft limit and specified in minutes.
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