Oracle DBACategory

Below are the Manual Steps to Setup ACFS file system in ODA box with GI version 11.2 Terminology ———– DATA – is the diskgroup from which we are taking space (-volumeDiskGroup parameter) 1024 GB – is the space that we are allocating (-volumeSizeGB parameter ) acfsbkpvol – is the ACFS… Continue Reading Manual Steps to Setup ACFS file system in ODA box with GI version 11.2

The tool was devised by Craig from ORAPUB which is excellent to monitor what happens in session real time. 1.First I need to down OSM tool kit from ORAPUB. First we need to run the following scripts to create some pre-requisite tables under sys/system schema. a)osmprep.sql — ****************************************************** — *… Continue Reading Monitor real time active session statistics by ORAPUB tool

Step 1:-Please check available patch and run precheck Step 2:-Pre-check results failed with below message Step 3:-Update RDK using below command to update cloud tool [opc@pocracdemo1 ~]$ raccli update rdk -tag latest {  “jobId” : “41”,  “requestStatus” : “SUCCESS” } Step 4:-Please apply patch now From command line Apply a… Continue Reading Oracle DBaaS 1z0-160 part 33 :-Patching in Oracle cloud RAC database

On-premise database migration to oracle cloud using data pump conventional Export/Import This is simplest migration if you prefer to migrate one schema to oracle cloud. Source:-On-premise database(Hostname:-gnssrv01 ) Target:-Oracle cloud database (Hostname:-myclone) Step 1:-On the on-premises database host, create an operating system directory to use for the on-premises database export… Continue Reading Oracle DBaaS 1z0-160 part 32 :-On-premise database migration to oracle cloud using data pump conventional Export/Import

For deep understanding on CBC,please refer to below links:- http://www.proligence.com/pres/ioug14/2014_431_Nanda_ppr.pdf and Video tutorial from ORAPUB. I am just going to mention some useful queries to investigate or identify CBC latch Step 1:-You as user fire a sql query from client. select * from cbctest; Step 2:-Now oracle will search metadata… Continue Reading Cache buffer chain CBC latch simple query to investigate

Problem 1.First I copied the private key generated by puttygen (The public key was provided during DB creation in oracle cloud).After that I tried to connect cloud database using below command:- cd /home/oracle chown oracle:oinstall course_priv.ppk chmod 0600 course_priv.ppk [oracle@gnssrv01 ~]$ ssh -i course_priv.ppk opc@144.21.83.108 Enter passphrase for key ‘course_priv.ppk’: Enter… Continue Reading SSH connection from on-premise Linux or Unix host to Oracle cloud

This note describe how we can configure TDE encryption for RMAN backup in on-premise database to migrate to Oracle cloud. 1.First I need to update sqlnet.ora with proper location where my wallet will reside to enable TDE encryption. # sqlnet.ora Network Configuration File: /u01/app/oracle/product/12.2.0/dbhome_1/network/admin/sqlnet.ora # Generated by Oracle configuration tools.… Continue Reading TDE encryption setup for migrating on-premise backup to Oracle cloud using RMAN

My on-premise database hostname:-gnssrv01 Database name:-orcl12c Cloud database hostname:-myclone A.Backup of on-premise database to cloud container Please create the empty container for holding backup of on-premise database using following link https://clouddba.co/oracle-dbaas-1z0-160-part-24-backup-in-single-instance-oracle-cloud/ 1.First I need to install backup module for cloud in on-premise database You need to download opc.cert and opc_install.jar… Continue Reading Backup on-premise database and restore to Oracle cloud database

Data security In Oracle Database Cloud Service databases, data security is provided for data in transit and data at  rest. Security of data in transit is achieved through network encryption. Data at rest security is achieved through encryption of data stored in database data files and backups.Data in Oracle Database… Continue Reading Oracle DBaaS 1z0-160 part 31 :- Oracle cloud database security

This screen guide you how to open EM console You need to enable Access rule before OEM Console open You need to choose ora_p2_dbconsole to enable OEM port You need to enable ora_p2_dbconsole to open port 1158 OEM screen – you need to give user name and pass to login… Continue Reading Oracle DBaaS 1z0-160 part 30 :- EM Monitor Console in Oracle cloud