Master Key Not Set for the Database Shown After Applying DBRU 19.11...
After applying the DBRU 19.11 following message was seen on the alert log on a database which has TDE setup. #myDIV { border: 1px solid black; background-color: white; overflow: scroll; }...
View ArticleImporting Unified Audit Data From Standby
In a primary database importing audit data involves a export job with INCLUDE=AUDIT_TRAILS parameter. However, situation is different on standby as audit records are written to file system location. In...
View ArticleDatabase Resident Connection Pool (DRCP) and Data Guard
There are few restrictions that must be considered when using DRCP in a data guard configuration. This post shows these restrictions in action in a physical data guard configuration.Staring DRCPThe...
View ArticleCryptographic Checksum Mismatch Error on EM 13.4 Repository DB Alert Log
Following error was observed in the EM (EM 13.4) repository database alert log.NI cryptographic checksum mismatch error: 12599. VERSION INFORMATION: TNS for Linux: Version 19.0.0.0.0 - Production...
View ArticleMove PDB to a Different ASM Disk Group
This post shows the steps for moving PDB related data files from one disk group to another. Currently the PDB data files reside in a disk group called +DATA and data file path...
View ArticleInstalling Oracle Restart Without ASM
By default Oracle resstart requires at least one ASM disk group to be created during the installation. This post shows steps for installing Oracle restart without creating any ASM disk group.1. First...
View ArticleEnabling SSL_DH_anon_WITH_3DES_EDE_CBC_SHA to work with TCPS/SSL for JDBC...
While testing out "Connect to the database through TCPS for SSL with Encryption Only" on 762286.1 encournted the following error. #myDIV { border: 1px solid black; background-color: white; height:...
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ORA-12696: Double Encryption Turned On Even When...
The error "ORA-12696: Double Encryption Turned On, login disallowed" is an expected one when both SSL and Native encryption (ANO) is enabled. By default Oracle doesn't allow both encryption types and...
View ArticleEnabling SSL_DH_anon_WITH_3DES_EDE_CBC_SHA to work with TCPS/SSL for JDBC...
While testing out "Connect to the database through TCPS for SSL with Encryption Only" on 762286.1 encournted the following error. #myDIV { border: 1px solid black; background-color: white; height:...
View ArticleORA-00800: soft external error, arguments: [Set Priority Failed], [VKTM],...
While adding a new standby node to the existing DG configuration noticed the following in the new standby databases's alert log.Starting background process VKTM2021-03-30T00:08:42.781044+10:00Errors in...
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Accessing OCI Bucket Using Instance Principal
This post shows how to access a OCI bucket using instance principal. Being able to access a bucket based on instance pricipal is useful as it eliminate the need for sharing passwords. Access to OCI...
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Getting DB Passwords from Vault Secrets for OKE Deployments
OCI allows storing of DB passwords as secrets in the vault. These secrets could be retreived using various SDKs, CLI and etc. This post shows how DB password could be retreived from a vault for JDBC...
View ArticleUnable to Set UNDO_RETENTION in Standby PDB
The fix 30577591 which is included in the DBRU 19.9 changed how the undo_retention parameter value is set in a CDB. Prior to this the value was set at CDB root level and all PDBs inherited this value....
View ArticleORA-16713: The Oracle Data Guard broker command timed out When Changing...
After setting up a new dataguard configuration and broker the change of log transport mode to sync fail as below.DGMGRL> edit database mystby set property LogXptMode='SYNC';Error: ORA-16713: The...
View ArticleUpdating the DCS Agent to the Expected Version
Following error was given while patching DBCS VM. #myDIV { border: 1px solid black; background-color: white; overflow: scroll; } dbcli update-server{"jobId" :...
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Converting EM Repository DB from Non-CDB to PDB
With EM 13.4 it is possible to use either non-CDB or a PDB as the repository database. This post shows the steps for converting a non-CDB EM repository DB to a PDB. #myDIV { border: 1px solid black;...
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Using OCI Bastion for Accessing EM Database Express
OCI bastion allows a restricted and time-limited way to access private endpoints. This could be used for accessing EM database express of DBCS VM DBs. Since most of the cases database would reside in a...
View ArticleGradual Database Password Rollove and UCP
Oracle first introduced gradual password rollover as a new feature in 21c. But with RU 19.12 this feature is also available on 19c.The gradual password rollover feature introduced a new parameter for...
View ArticleFailover and Reinstate With Multiple Physical Standbys
The data guard configuration consists of three databases. DGMGRL> show configurationConfiguration - test_dg Protection Mode: MaxAvailability Members: dgtest3 - Primary database dgtest - Physical...
View ArticleActive Data Guard and PDB Parameters
In an earlier post it was shown how undo_retention value in a PDB that is part of an ADG standby could only be changed by updating the value on the primary PDB. In the case of undo_retention parameter...
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