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Oracle Extended Cluster Setup on 19c
Extended cluster or stretch cluster are setups where each cluster node span a considerable geographical distance. They would require specialist network and storage setup which makes the distance...
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Scaling Up RECO Diskgroup in OCI VM DBs
The single instance OCI DBs (created on VM) comes with two ASM disk groups, DATA and RECO. RECO disk group is set as the value for db_recovery_file_dest. As such is the default location for archiving...
View Article19c Encryption
This post list few admin tasks related to TDE on 19c. There's an earlier post with regard to 12c encryption. The database version used for this post is 19.4 non-CDB single instance (Oracle restart...
View ArticleRekeying Master Key in a Data Guard Setup
Previous post shows steps for rekeying the master key. In a data guard setup rekeying the master key on primary will stop the redo apply on standby. For example running the rekey on primary as...
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Adding Targets on EM Cloud Control 13c
The post shows the steps for manually adding targets on EM Cloud control 13. It uses the EMCC created in the previous post.As part of adding targets the EM agent is deployed on remote host. In this...
View ArticleCLSRSC-180: An error occurred while executing the command 'asmcmd afd_dsset'
Execution of roothas.pl failed during the reconfiguring of a 19.5 Oracle restart setup after a hostname change# $ORACLE_HOME/perl/bin/perl $ORACLE_HOME/crs/install/roothas.plUsing configuration...
View ArticleEnabling Parallel DML
In pre-12c versions to parallel DML was enabled via alter session. 12c introduced new hint to enable parallel DML via a SQL statement hint /*+ ENABLE_PARALLEL_DML */. As per the documentation "when...
View ArticleDBVisit Daemon as a Cluster Resource
DBVisit 8 introduced the ability to run dbvisit standby in the background. On RAC configurations the dbvctl daemon will run only on one node (in previous version this could be scheduled on all...
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Upgrading Oracle Single Instance with ASM (Oracle Restart) from 11.2.0.4 to...
Oracle 19c is the last of the 12c series and is the long term support version. There's an earlier post which shows upgrading from 11.2.0.4 to 12.2.0.1. The 19c could be considered as 12.2.0.3. However,...
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Installing Enterprise Manager Cloud Control 13c (13.4)
This post shows the summary of steps for installing cloud control 13.4. There's an earlier post showing detail installation of cloud control 13.3. Installation of 13.4 is very similar if not identical...
View ArticleAuto Commit State Persists After Connection Close on UCP
By default connections checked out of universal connection pool (UCP) will have a auto commit state of true. This could be changed by setting the auto commit state on the connection. Another way to...
View ArticleUCP Connection Not Releasing Resources Immediately When Closed
JDBC connection created from a UCP pool does not release database resources immediately when close method is called. Java spec states calling close method "releases this Connection object's database...
View ArticleDBCA Reports ORA-46385 When Oracle Home Has Unified Auditing Enabled
Running dbca in silent mode reports ORA-46385 if the Oracle home has unified auditing is enabled. Below is the output on the shell prompt (only relevant section of the output is shown). This was on...
View ArticleReread resulted in same corrupt block on file 'spfil.ora' blockno=1
Active database duplication for standby fails with an error specific to 4k sector size. The primary database is Oracle restart with ASM where disks are on 4k emulation mode (512 logical sector and 4k...
View ArticleEncrypting / Decrypting Tablespaces Online / Offline
Oracle database allow the ability to encrypt (or decrypt) tablespace online (or offline). Online method requires twice the space as the tablespace been worked on as work (encryption or decryption)...
View ArticleCan't locate Data/Dumper.pm in @INC When Using TFACTL
"Can't locate Data/Dumper.pm in @INC" error was encountered while executing tfactl and at times during installation. The environment setup and details are as follows.OScat /etc/oracle-releaseOracle...
View ArticleConfiguring Statspack for Standby Database
Statspack provide separate set of scripts for setting it up for a standby database in a data guard configuration. If enterprise edition is used with diagnostic pack then Remote Management Framework...
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Installing a Management Agent in Silent Mode Using agentDeploy.sh
There are multiple ways for deploying agent in silent mode on a 13.4 cloud control. This post list the steps for deploying agent in silent mode using the agentDeploy.sh script.1. The agent will be...
View ArticleInstalling Using Gold Image Results in [FATAL] [INS-35952] or [FATAL]...
Creating a gold image is a good way to have a standardized starting point for an installation, either oracle home or grid infrastructure. The gold image creation process itself eliminate lot of...
View ArticleRemoving a Failed Standby Database From a Data Guard Configuration
A previous post explained steps for removing a standby instance from a data guard configuration. This post explains steps for the same but when the standby being removed has failed and cannot be...
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