In this short blog post I want to write about an issue I ran into during the creation of a new Data Guard for a long-existing database.
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ExaCC: Continue failed upgrade of Grid Infrastructure to 23ai
In this blog post I will show how to identify and fix the root cause of a failed Grid Infrastructure upgrade to 23ai and how to complete the upgrade to get the VM Cluster back to the AVAILABLE state.
Continue readingExaCC: Oracle Home deployment fails with DBAAS-60018
In this blog post, I am going to describe a strange error with OPatch while I was trying to deploy a new Oracle Home to one of our VM clusters.
Continue readingDatapatch fails with ORA-27476
Today I stumbled about a very strange error while applying a release update to a 19c database. Datapatch fails with an ORA-27476 error. In this blog post, I want to show how to get rid of this error and how to identify objects in the database which may cause it.
Continue readingAnalyze raw trace files with SQL Developer
Since version 1.5 the Oracle SQL Developer has the capability to view and analyze raw trace files in an interactive way. In this blog post, I will demonstrate how to use this very unknown feature.
Continue readingCleanup of TEMPORARY segments
In this short blog post, I will explain how to get rid of TEMPORARY segments in a permanent tablespace.
Continue readingKeep RMAN Auxiliary Instance after failure
In this blog post, I will demonstrate how to keep an automatically created RMAN Auxiliary Instance after a failure occurred.
Continue readingORA-65118 during RESTORE FOREIGN DATAFILE/TABLESPACE
Starting with 12c Transportable Tablespaces can be combined with incremental backups to reduce the amount of time required to copy the Datafiles from the source to the target location. To do this RESTORE FOREIGN DATAFILE resp. TABLESPACE commands were introduced for RMAN. In this blog post, I will show an issue when a backup of an 11.2.0.4 database is used as a source and a 19c PDB is used as target.
Continue readingALERT: opatch util cleanup deletes OS files in 12.2.0.1.19
With the release of the January patches, Oracle released version 12.2.0.1.19 of OPatch. In this specific release, the execution of opatch util cleanup deletes OS files outside the Oracle home directory structure. Thanks to my colleague Miguel for pointing this out.
Continue readingInsufficient SRLs reported by DGMGRL
This is a short blog post about a small issue with the reporting of Standby Redo Logs in DGMGRL during the validation of a database.
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