Oracle Database Health Check Script
/orachk –pdbnames pdb1,pdb2,pdb3. So at this post I 'd rather talk about: what I think is a healthy way to approach an Oracle database health-check. • Manage production database on various. Oracle databases To maintain your Oracle databases, you can use a number of scripts and commands to generate statistics and reorganize your databases. The script is called lasmdsk. Oracle Database Health Check Script Do you want to receive an email report summarize the health status of your all databases running on the same server? dbdailychk. How to interpret the Health Check script has been created mainly for 10GR2 and 12C outputs, but most of the information is applicable for previous releases. 4 installation on Oracle Solaris Sparc server Oracle Database Quick Installation Guide 11 g Release 2 (11. we are going to talk about migrating from oracle to postgresql using ora2pg open source tool. Oracle Dataguard has his own command-line dgmgrl to check the whole dataguard configuration status. # features: # checking cpu utilization. A script to check Oracle Environment, Database Health and Security This is a handy script developed to quickly assess client sites database environments. Scripts can be crontab schedule !!!!. 2 Oracle 9i 9. Data Block Integrity Check. The log file of the script has to be saved on a shared disk. The report includes descriptions, and only displays the errors and warnings generated when UNIX Health Check was run. The below query accepts the session_id and serial# and gives you PGA/Tempconsumption over time of the session. Enroll in Cloud, Database, and Java training, and more. Before executing script we should test it on test/dev instance, then migrate the solution/script to production carefully. 2 RDA upgrade on OAM server to RDA 19. Analyze your oracle database health and performance using Orabyte ByteArmor. The setup of CorDapps’ custom tables (which only happens automatically when using H2) are not recorded in the node’s logs by. – Redo Integrity Check. 39 Online Resources SQLServerPedia. Reading a binary field in an Oracle database with LotusScript Use this LotusScript code to read a binary field in an Oracle database, allowing you to find Microsoft Word documents, spreadsheets, PDFs and JPEG files. 1 Using CREATE DIRECTORY Instead of UTL_FILE_DIR init. Check out an abundance of useful technical tips, each done in two minutes or less. • Developed database monitoring/health check alert scripts for database uptime/downtime. Imagine you have a large number of Oracle database schemas on one database instance running many different applications. Clear locks; Check long running UNIX process; Ensure that there are no DBMS_JOBS with the status of failed or broken. A very easy way to check parameter values for Oracle database is to issue following command from SQL*Plus prompt. Oracle Database - Monitor with nagios using check oracle health. ksh and disk_space. Below script is very basic script written to check database status, additions can be made to script as per the requirements. Imagine you have a large number of Oracle database schemas on one database instance running many different applications. 2 Installation on Windows Database: Patches for 12. By Tarry Singh. Scripts for Schools has been providing teachers and community groups with Readers Theater Scripts, Choral Reading (Choral Speaking Scripts), Play Scripts, and Puppet Play Scripts for the past twenty six years. This would definitely affect performance if the database is a highly transactional database due to kind of locks the consistency check needs to acquire while performing the operation and also the IO done on. #database daily health check monitoring script [html version] ver= " [v4. ora Parameter Note 1328725. The Click Stream database has 55 tables and the longest table with approximately 100 Million records in this case was the relation of logins to the groups of the logged in user. In addition, the Oracle Database STIG scripts were loaded on the Oracle Database 12 c database residing in Oracle MiniCluster database virtual machines (Oracle Solaris 11. Yes, the ODA is smaller than the Exadata; yet it is still an engineered system. Membership check for user "oracle" in group "oracle" [as Primary] failed Check failed on nodes: mydrdb6-----ASM and CRS versions are compatible Database Clusterware version compatibility passed Pre-check for database installation was unsuccessful. 2 version on Windows server. I have been trying to write some routines to determine whether a database is online as well as to check some other inf. Oracle Tutorials - Show All Tablespaces in the Current Database. During this exercise, we identify your performance problems and organize. Get certified to validate your skills. Database size may vary depending on utilization, Free space hence we…. Along with 17+ years of hands-on experience, he holds a Masters of Science degree and a number of database certifications. Streams Health Check scripts provided are from 9iR2 to 12C. Once the actual migration or the Upgrade is completed, the following things needs to be done: 1. RMAN Backup & Recovery Scripts for Linux System. Generate AWR Report 7. When you set this parameter to TRUE a Oracle stops generating trace files for every user session. Since Oracle Database 11g, all traces, incident dumps and packages, the alert log, Health Monitor reports, core dumps, and more files are stored in the ADR, a file-based Automatic Diagnostic Repository for simplified database diagnostic data management. Oracle database health check Check the health of your database in regular intervals to maintain system availability. 36 2 OS Space threshold ( archive, ora_dump etc. For the most repetitive task most of the administrator write a script to automate their day-to-day repetitive task. But what is the overall goal for the DBA? I mean, the DBA is looking to reduce database time and maintain good database health. Lot of times we need to check the Health of Oracle EBS Database and Application,The below script can be very handy for it. Drop a view – drop a view from the database. Oracle Database: Managing Interval Partitions Oracle Fusion Applications use the PS_TXN table to store the intermediate processing state. Rollback segments are the undo records, which contain the picture before the database changes. • Resolve Database lock, Space management, export and import of the database performance tuning at DB and Application level • Perform daily database health check and performance tuning • Ensuring High Availbility of Oracle E-Business suite services • Oracle workflow administration and development • SOA integrations to meet business needs. The text version of the alert log file is still available in ADR (Automatic Diagnostic Repository) directory, but it exists for backward compatibility only. Generate ADDM Report 8. Supported and managed Oracle Real Application Clusters (RAC) environment on Red Hat Linux. Oracle Database 11. Oracle DBA Quick Scripts: Oracle dba scripts collection used by expert database administrators everyday. Shell script for oracle database health check. 3] " # caution: # this script may cause a slight performance impact when it run, # i recommend to not run this script so frequent. It looks like there are 32 other diagnostic related parameters on 11G but _disable_health_check was enough to solve my problem. 3 non-global zones). Run Database Health Check using DBMS_HM PL/SQL Package Leave a comment. Oracle 9i, 10g, 11g Can you share me your "health check" scripts which you have used in your PROD database and is proven to help you in carrying out your desired tasks being a good DBA :) Does AWR be able to generate health check report?. In service check settings, clone default Oracle Database Query and change the arguments to match your requirements. Database Monitor Custom Script. Oracle E-Business Suite Database Health Check Script Oracle Apps R12 and Oracle Fusion Cloud Self Paced Online Training Videos Published on Udemy with Life Time. Run the script as the SYSDBA user. Oracle IDM database ASRTOLDAP and LDAPUPGUTLS objects are invalid after upgraded to 12. This nagios plugin allows to monitor many oracle DB parameters - like tablespaces size, session, process count, SGA pool etc. I hope you must have faced the question during an interview to find database size. script available to view CRS resources in a format that is Step by Step, document for creating Physical Standby Database, 10g DATA GUARD; Oracle. I've designed all scripts to be able to run on complicated environments, whereas there is one or more Oracle version / Oracle Home installed on the same machine. Shutdown Applications 2. You must extract the image software into the directory where you want your Oracle Database home to be located, and then run the Oracle Database Setup Wizard to start the Oracle Database. 6) and it not only diagnoses some potential problems of database, but offers some suggestion to amend database. For the most repetitive task most of the administrator write a script to automate their day-to-day repetitive task. [1] In this article, we will examine how to optimize PS_TXN table when it grows. create database link from oracle to sql server 34123 5 Tags 12c archive archivelog ASM Audit AWR backup cloud database dataguard datapatch datapump DISKGROUP EMCTL EXPDP flashback goldengate grid impdp installation multitenant OGG- OPATCH ORA- oracle oracle 12. • Regular database health check, performance monitoring and tuning. In this part of the Oracle Health check we focus on the Oracle internal parameters and certify Oracle best practices and optimization. SQL Health-Check, also known as SQLHC, is a tool that without installing any objects, it helps to perform an initial assessment of a SQL statements performing poorly on an Oracle database. 8 Recommended Weekly Procedures for Oracle Database Health Check February 23, 2019 Calculating “X Day Active” Users for a Web Site in Oracle November 10, 2012 SQL Loader in Unix Shell Script Example July 9, 2018. Following script can be used to check the health of Replication. The worst decision I made was during my first big version upgrade of SQL Server. It looks like there are 32 other diagnostic related parameters on 11G but _disable_health_check was enough to solve my problem. Articles Oracle 8i Oracle 9i Oracle 10g Oracle 11g Oracle 12c Oracle 13c Oracle 18c Oracle 19c Miscellaneous PL/SQL SQL Oracle RAC Oracle Apps WebLogic Linux MySQL. Dan Zheng Oracle certified 11g,10g,9i, and 7. However i am not able to get the size of this new file. Start with the basics: Listen to the users of this database. Version: 6. Start the DMON process on both the primary and standby databases: SQL> ALTER SYSTEM SET DG_BROKER_START=TRUE SCOPE=BOTH; System altered. I checked unsupported parameters and I found _disable_health_check parameter. This patch set is a full installation of the Oracle Database software. Shell Script to find the tablespace size in oracle. Check the Alert Log 4. 2,The oracle database and the postgresql server are running on the same server. * Run TOP command to check CPU usage. An HTML style report, including 1,085 check scripts, generated on an AIX 6. Oracle University offers in-classroom and online training and certifications. Generally you can use this script to check Health of database every day morning. Unix & Linux Stack Exchange is a question and answer site for users of Linux, FreeBSD and other Un*x-like operating systems. This special check should be done in addition to the installation document and the check inside the installer. Providing DBA/DMA support throughout SDLC. 2 RDA upgrade on OAM server to RDA 19. CHECK TABLE checks a table or tables for errors. DB Structure Integrity Check —This check verifies the integrity of database files and reports failures if these files are inaccessible, corrupt or inconsistent. In this blog post, I will briefly introduce the things that I check in an ODA Health check. These segments are a critical part of the recovery process and are applied during the rollback phase of the recovery process. 8 Recommended Weekly Procedures for Oracle Database Health Check February 23, 2019 Calculating "X Day Active" Users for a Web Site in Oracle November 10, 2012 SQL Loader in Unix Shell Script Example July 9, 2018. Oriya script online. sh on database tier else if you want to configure on application tier (Middle Tier ) then you have to execute one on middle tier. The complete script can found on the Oracle Support site as document ID:1296168. sql list the last n numbers of rows in an alert log. Tip: To check whether the task completed successfully or to troubleshoot a problem, go to Analyses, right-click Oracle Features Health Check , and then click Activate. "The script checks for "known issues and potential issues scripted as plugins for various technologies written as powershell scripts and reports it all in one place so all you do in the morning is check your email. CHECK TABLE can also check views for problems, such as tables that are referenced in the view definition that no longer exist. Buy Oracle DBA Quick Scripts: Oracle dba scripts collection used by expert database administrators everyday. Must have dba scripts for your daily activities! [Kumar, Arun] on Amazon. sql-Script to Check for Known Problems in Oracle8i, Oracle9i, Oracle10g, Oracle 11g and Oracle 12c (Doc ID 136697. The CSSCAN Utility is used to denitrify possible database character set conversion problems and truncation of data. I've designed all scripts to be able to run on complicated environments, whereas there is one or more Oracle version / Oracle Home installed on the same machine. It makes one baseline backup of your database the first day, and then forever after makes incrementally updated backups. In 10g, when the RMAN backup runs, it backs up all the data from the undo tablespace. How We Resolved the Account Locked (Timed) issue? Download Oracle 11g New Features PDF. Integrated Capture Health Check script for Oracle Database 11. Capture CCA Mode Summary In Oracle 11g a new Streams replication feature has been added. 1 release is:. Review this blog post for more information and an SSMS solution file with a number of scripts on internals. The script provides a detailed and quick assessment of the database environment to aid in quickly putting together an action plan. Check Listener log 5. RMAN> validate database;. It's in the "Database - Oracle" monitor group. More advanced Oracle monitoring scripts can also automatically attempt to re-start the failed instance or listener processes, but we recommend that you use well-tested script like those in the Oracle script collection. If the Etherchannel and VLAN devices are used for the public network, racgvip script may fail and cause the VIP to offline as a result. Utilizing applied machine-learning technologies, Oracle AHF provides early warnings. Monitor the consumption of resources 3. Generate AWR Report 7. Redgate provides Compliant Database DevOps solutions for the finance, healthcare, and technology sectors, plus ingeniously simple tools for SQL Server,. This script rebuilds indexes that are referenced by full scans, are larger than 10 MB, and with an estimated space reduction of at least 25%. Install the Oracle Audit Vault. Consider increase the number of DBWR process if the buffer cache is properly sized. OCR (Oracle Cluster Registry): OCR manages oracle clusterware and oracle database configuration information. We can use this PowerShell script that uses. Check the Alert Log 4. This is a SINGLE database health check. 6, The server is runing on OEL 7. Command line parameters -connect The database name -user The database user -password. In this example, we will get to know the actual size of the database. The eight shell scripts provided below cover 90 percent of a DBA's daily monitoring activities. Connect as the SYSDBA user. If the database is in mount or open mode, this check examines the log files and data files. HOW TO RUN A SQL PLUS SCRIPT FROM A CRON JOB. 4 Oracle 11g 10. Roblox mm2 hack script! Bitsler script free download! Python scripts for abaqus learn by example. Grid Infrastructure Management Repository (GIMR) database now mandatory in Oracle GI 12. This script rebuilds indexes that are referenced by full scans, are larger than 10 MB, and with an estimated space reduction of at least 25%. In this part of the Oracle Health check we focus on the Oracle internal parameters and certify Oracle best practices and optimization. That’s intentional. Script iod_indexes_rebuild_online. 0 to ORACLE 7. Here we are discussing 'how to end date responsibility in oracle apps from backend' using API. While installing Oracle Database software, the pre-install checker has a check for the setting for semmax. • Manage production database on various. The health of your database, like the health of your car, depends on careful maintenance and to keep all four wheels on the ground moving in the direction you dictate, certain things need to happen. sql - complex query from Oracle that gives a lot of details about locks job_scheduling. Connect as the SYSDBA user. Oracle’s exachk utility (NON-INTRUSIVE and does not change anything in the environment) is designed to perform a comprehensive health check of Exadata Database Machine. How We Resolved the Account Locked (Timed) issue? Download Oracle 11g New Features PDF. 3 NOTE : Integrated Capture and Replicat Health Check Script (IC/R HC) are updated and improved frequently. Data Block Integrity Check. Stay away from this version and use 1. If any specific health-checks are needed and not covered by this script, then as long as the health-check can be produced with a SQL Command (leaving no database footprint ) then these can be implemented in future versions. Copy the olstrig. Shell Script to find the tablespace size in oracle. Some clients want a FULL SQL Health Check, while some only want to go deep on analysis for a SINGLE database. This script can be found in the /opt/oracle/oak/odachk directory. Check Filesystem space Usage 6. Oracle database performance depends on many factors like resource allocated to the database and the the load on the server. 1) in order to check the environment where the problematic SQL query runs. You want to write a simple shell script in Linux / Unix to check whether Oracle Database is Up or not. Be sure to check for invalid objects after script execution. # features: # checking cpu utilization. The report includes descriptions, and only displays the errors and warnings generated when UNIX Health Check was run. command_line /usr/bin/perl $USER1$/check_oracle_health. What Oracle user to use for running SQL scripts. Overview Of Oracle Database 19c. In spite of that new 11g feature, the housekeeping or purging of those files got not. Imagine you have a large number of Oracle database schemas on one database instance running many different applications. DBA Daily/Weekly/Monthly or Quarterly Checklist. It is followed by abbreviated output. Implementing database monitoring with Nagios allows you to increase application availability, increase database performance and to detect database outages, failures, and table corruption quickly. sql in the upgraded database once again and make sure that everything is fine. Oracle Cluster Health Advisor raises and clears problems autonomously and stores the history in the Grid Infrastructure Management Repository (GIMR). SQL script extract data from DB to health check report and the shell script generate e-mail via mailx utility with sql output and then scheduled this for daily. Along with 17+ years of hands-on experience, he holds a Masters of Science degree and a number of database certifications. * Kill unwanted sessions at UNIX and oracle level. Oracle DBA should monitor database everytime and if there are many sqls which is running long execution time then it should be reported to the developer and developer and dba should examine these sqls. Shell Script to Check Linux Server Health. I've designed all scripts to be able to run on complicated environments, whereas there is one or more Oracle version / Oracle Home installed on the same machine. This script was originally from Oracle Metalink (Doc Id: 1019592. Introduction: Recovery Manager (RMAN) is an Oracle Database client that performs backup and recovery tasks on your databases and automates administration of your backup strategies. With Oracle 12c/18c, these checks can be done on a regular basis daily/monthly: - DB Structure Integrity Check - CF Block Integrity Check - Data Block Integrity Check - Redo Integrity Check - Transaction Integrity Check - Undo Segment Integrity […]. End date oracle Responsibility from Oracle FND User | Being Oracle Database administrator, we are using various API scripts to do the administrative task in Oracle Database. Simply add the Toad for Oracle DB Admin Module to any Toad version to automate all of these database management tasks — while staying within Toad's intuitive interface. You will need to modify the UNIX environment variables as appropriate. -- -- Tablespace Usage -- CLEAR BREAKS CLEAR COLUMNS CLEAR COMPUTES SET VERIFY OFF COL tablespace_name HEA 'Tablespace Name' FOR a20 COL ambytecount HEA 'Available' FOR 99999999999. In addition, the Oracle Database STIG scripts were loaded on the Oracle Database 12 c database residing in Oracle MiniCluster database virtual machines (Oracle Solaris 11. 3 Oracle 10g 9. The database can use a similar technique to identify the MIME type of a BLOB column. com Blogger 79 1 25. However i am not able to get the size of this new file. 2) and the In-Memory Advisor (IMA) has been much awaited since then. For a complete set of pre-tested Oracle scripts, see the Oracle script collection , 670 Oracle scripts, designed for the senior Oracle DBA. By Tarry Singh. Imagine you have a large number of Oracle database schemas on one database instance running many different applications. Moving an Existing Oracle 11g Database to a New Server Sometimes you have a database installed on external storage and you need to move it to a new server. • Create and modify scripts to manage and automate Oracle environment and application processes. Simple Script to check alert. # Oracle Database check health command. # CHECKING CPU UTILIZATION. Script for oracle Database monitoring. Oracle 9i, 10g, 11g Can you share me your "health check" scripts which you have used in your PROD database and is proven to help you in carrying out your desired tasks being a good DBA :) Does AWR be able to generate health check report?. Health Scripts. 1 My Oracle Support Health Checks. The script generates an HTML report with information on. - Maintenance Database ORACLE 6. sqlauthority. • Configuration of ODI 10g and 11g for Hyperion Modules (Planning -- FDM Integration -- ERP Integrator ) • Various tools to check maintain and report health check of the system (Load Runner / ORAchk). create database link from oracle to sql server 34123 5 Tags 12c archive archivelog ASM Audit AWR backup cloud database dataguard datapatch datapump DISKGROUP EMCTL EXPDP flashback goldengate grid impdp installation multitenant OGG- OPATCH ORA- oracle oracle 12. The supported database versions are:. Login as sysdba - This script will report on all backups - full, incremental and archivelog backups -. Database schema migration logging Database migrations for the Corda node’s internal database objects are recorded in the node’s default log file. Oracle IDM database ASRTOLDAP and LDAPUPGUTLS objects are invalid after upgraded to 12. We will also do a quick run on the liveliness of the cluster and then go on to run our typical scripts to see the status of our datafiles. Identifying and resolving problems occurring in all database environments including performance related issues (i. How to configure Data Guard broker: 1. The report includes descriptions, and only displays the errors and warnings generated when UNIX Health Check was run. Unix & Linux Stack Exchange is a question and answer site for users of Linux, FreeBSD and other Un*x-like operating systems. DBA Interview Questions with Answer Part 15. Oracle Code Innovate Hold a three-day hackfest at your company by letting us bring the Oracle Code experience to you. 0 - Production Export done in US7ASCII character set and AL16UTF16 NCHAR character set server uses WE8ISO8859P1 character set (possible charset conversion) About to export specified tables via Conventional Path. 2 Extended Support Waived Only Till Dec 2020 (To know more about this, check Extended Support Fee Waived for Oracle Database 12. If the file isn't found in the include_path, include will finally check in the calling script's own directory and the current working directory before failing. Configure Oracle database to use Syslog per Integrigy Framework Level 2 requirements. Oracle Tutorials - Show All Tablespaces in the Current Database. Oracle Database 12c brings us many new features including: the long needed ability to run OPatch and query the patch software installed in the Oracle Home programatically through SQL using the new DBMS_QOPATCH package. NAME: DBUPGDIAG. Monitor Alert log file and/or check Alert log in regular interval to solve the ORA errors. If you want to list all the databases that are currently running on a server, you can run the following command:. Oracle Database Growth Monitoring DB Health Check (1) DB Monitor (3) The purpose of this blog is to share knowledge on oracle technology with others. A sample to run the script, for example, in a 12. Check our SQL Server Setup Checklist – some simple configuration tweaks can get you 20-30% performance increases right from the start without spending any extra money. The Oracle instance health check includes a review of the environmental optimization, instance configuration and parameters, and object and SQL optimization. Command line parameters -connect The database name -user The database user -password. • Regular database health check, performance monitoring and tuning. Connect as the SYSDBA user. Set the log_archive_dest_2 settings from both the Primary and Standby databases to be nothing , then try to create the broker configuration (it will automatically set the log_archive_dest_n when you. # grep MemTotal /proc/meminfo MemTotal: 2075424 kB /* We need at least 1GB of physical RAM. # The -b option should be used during the backup window. ORAChk (formerly ODAChk) is a handy script tool included on Oracle Database Appliance to facilitate quick checking and validation of configuration, best practices, and patches on the system. regards Alan. Check any session blocking the other session and oracle locks. Check the Alert Log 4. 3 User and core dump size parameters 10. # checking filesystem utilization. Oracle Database - Python - Database Report Framework / Heath Check Framework (in Excel) Vineet Sachdeva Database Health Check Report for Database orcldb #Report Title in Summary Sheet # Database sub-section # this section defines below which I believe have not to be explained. My company has asked me to monitor DBA script within SCOM. Open that in SSMS, run the script, and it will install sp_Blitz in whatever database you're in. • Optimize existing scripts and routines. I have static queries for above for. Opsview comes with check for db query. Stay away from this version and use 1. bat - Hot backup of oracle databases. Oracle Apps DBA | Certified AWS Solution Architect http://www. log file is XML. 2 Oracle 9i 9. • Architect Oracle DB creation on Exadata Servers and improved performance by 10 times. In the event of a database failover, the following actions occur to return the application to service: JBoss ELB health checks fail, indicating a database connection failure;. Oriya script online. Oracle Database Health check: OPERATING SYSTEM: 1)Physical memory/ Load: Free:free command displays amount of total, free and used physical memory (RAM) in the system as well as showing information on shared memory, buffers, cached memory and swap space used by the Linux kernel. Moving an Existing Oracle 11g Database to a New Server Sometimes you have a database installed on external storage and you need to move it to a new server. Best Web Links: Oracle tips, tutorials, and scripts from around the Web. 8 Recommended Weekly Procedures for Oracle Database Health Check February 23, 2019 Calculating “X Day Active” Users for a Web Site in Oracle November 10, 2012 SQL Loader in Unix Shell Script Example July 9, 2018. Yes, the ODA is smaller than the Exadata; yet it is still an engineered system. Script to Monitor Primary and Standby database(s) Usually to monitor redo transport some times we have to connect both the Primary and Standby database(s) to check maximum sequence applied of each thread and of course we have to check what is the sequence is generated on primary database, This script more useful with RAC databases. The eight shell scripts provided below cover 90 percent of a DBA’s daily monitoring activities. Checks did not pass for the following node(s): mydrdb6 mydrdb5. 999 COL umbytecount HEA ' Used ' FOR 99999999999. This special check should be done in addition to the installation document and the check inside the installer. 1 on the related database and provide its output. Services Overview Performance and Maintenance Problems Identified with. Hi all, Oracle 9i, 10g, 11g Can you share me your "health check" scripts which you have used in your PROD database and is proven to help you in carrying out your desired tasks being a good DBA :) Does AWR be able to generate health check report? Thanks a lot, Kinz. ; Write into the alertlog. For the most repetitive task most of the administrator write a script to automate their day-to-day repetitive task. When I execute is via the alias, I have issues. You have SQL Server monitoring and alerts in place, but would just like a quick health check report on your SQL Servers emailed to you daily. Database schema migration logging Database migrations for the Corda node’s internal database objects are recorded in the node’s default log file. Oracle Database Cloud Exadata Service - Version N/A and later Information in this document applies to any platform. I have static queries for above for. Checks (also called checkers or health checks) are diagnostic operations or procedures that are registered with the new Health Monitor to help assess the health of your database or other Oracle components. 2 Max_dump_file_size 10. This script was originally from Oracle Metalink (Doc Id: 1019592. # features: # checking cpu utilization. If by a health check, you mean checking the consistency of the database. The Oracle instance health check includes a review of the environmental optimization, instance configuration and parameters, and object and SQL optimization. This seems like a quite broad question and yes it is. If you add them up, the total value has to be below the maximum limit defined by the kernel parameter (semmax). Before executing script we should test it on test/dev instance, then migrate the solution/script to production carefully. This script checks whether the Oracle RDBMS background processes are running and whether a local connection can be made. ddfbytes )/1048576 ambytecount, SUM( NVL( ds. 8 Recommended Weekly Procedures for Oracle Database Health Check February 23, 2019 Calculating "X Day Active" Users for a Web Site in Oracle November 10, 2012 SQL Loader in Unix Shell Script Example July 9, 2018. Logging & Tracing 10. In the next article we will see, how to make things right, if there is some problem with the Replication. Feel free to use these scripts and also share it with your friends. The number of this patch set is 10404530, it is possible to jump to the download page using this number. There's a bunch of scripts and white papers in there, but the one to start with is sp_Blitz. You can find TOP Elapsed time SQL in certain hours with below script. With this utility you can precheck patch, …. Run Database Health Check using DBMS_HM PL/SQL Package Leave a comment. How to Move objects from one tablespace to another tablespace online -- check if an overflow exists. Also I need to get a alerts or events in SCOM if an oracle database gets under a certain limit (<10% disk space). SQL Statements. Wednesday, June 24, 2020. You know the average IO read response time is 2. RMAN> CREATE SCRIPT recoveryscript. Login as sysdba and issue the following script: This script will report on all currently running RMAN backups like full, incremental & archivelog backups:. #database daily health check monitoring script: ver= " [5. NET, and Oracle. Script to find the sid of the session you are logged in as. • Manage production database on various. This is a SINGLE database health check. It includes connection time, SGA data buffer hit ratio, SGA library cache hit ratio, SGA dictionary cache hit ratio, SGA s. Below I give some tips how to do just that by using SQL scripts and the SQL*Plus utility. Creating stored script in RMAN. C:/>rman target / catalog [email protected] recovery catalog database Password: -- enter password. check_oracle_health tarball from the internet, configure and install it, then install the Perl dependencies through CPAN. Oracle customers who are fortunate to have an Oracle Exadata Database Machine, will need to run "exachk" from time to time, which is pronounced as Exa-Check. ORAchk Health Checks For The Oracle Stack ORAchk replaces the popular RACcheck tool, extending the coverage based on prioritization of t Check Invalid Packages and db2rbind or Rebind in DB2 10. rem Oracle Database Healthcheck script rem rem Note: In order to analyze the alert. the tablespaces and their sizes from an oracle database. Copy the script below into a text file and save it as text_hc. 1 – Master Note for Streams Recommended Configuration NOTE:437838. Database schema migration logging Database migrations for the Corda node’s internal database objects are recorded in the node’s default log file. Alternatively, download the attached text_hc. As an Oracle DBA Below is the day to day tasks that I do • Run DDL/DML scripts • Database health check post instance reboot • Take database backup, schema backups • Stop/Start Databases • Diagnose and fix - Prod / DR sync issues • Diagnose and fix -Database unlock account • Diagnose and fix -Space related issue • Diagnose and. The script is called lasmdsk. Things like how to check memory, disk space cpu usage etc. com has over 25 top industry bloggers, wiki articles, book reviews, and free SQL Server training. If already installed, it is highly recommended to perform a health check as described in Audit Vault Server Configuration Report and Health Check Script (Doc ID 1360138. 8 Recommended Weekly Procedures for Oracle Database Health Check February 23, 2019 Calculating "X Day Active" Users for a Web Site in Oracle November 10, 2012 SQL Loader in Unix Shell Script Example July 9, 2018. For example, we have used orcl. This is a SINGLE database health check. This script is intended to query the database by schema to identify current configuration and identify any unsupported data types or types that may need special considerations for Oracle GoldenGate in an Oracle environment. Worked for clients in manufacturing, telecommunications, insurance, health care, HR/payroll industries and non-profit organizations. Find answers to I need a powershell script to check remote Oracle DB connected status from a Windows Server 2012 from the expert I need a powershell script to check remote Oracle DB connected status from a Windows Server 2012 Medium Priority. Health Check - RAC/DB Running the following OS commands you can get the Health Check for your cluster and Database, all the output is redirected to one file to analyze. Spring time is always a good time for some house cleaning and of course some health checks. ORAchk replaces the RACCheck utility. 2 RDA upgrade on OAM server to RDA 19. The duty of System Administrator is really tough as he/she has to monitor the servers, users, logs, create backup and blah blah blah. You should use/write a script that will connect to the server and see if your database is online. SQL Server databases can be moved to the Azure cloud in several different ways. # grep SwapTotal /proc/meminfo SwapTotal: 3148732 kB /* RAM between 1GB and 2GB then Swap = 1. 3 Oracle database upgrade from 12. 4 Oracle 11g 10. • Help in developer SQL code review to ensure queries are optimized and tuned to perform efficiently prior to production release. Database Health check scripts (10g,11g). 3 User and core dump size parameters 10. Run the text_hc. To obtain a list of health check names, run the following query: SQL> SELECT name FROM v$hm_check WHERE internal_check=’N’; DB Structure Integrity Check. DB Replication status for Oracle. For the most repetitive task most of the administrator write a script to automate their day-to-day repetitive task. bat file or separately on the command prompt. The UK division specialises in government contracts including NHS, DEFRA, UK Borders Agency, Legal Services Commission and VOSA. Articles Oracle 8i Oracle 9i Oracle 10g Oracle 11g Oracle 12c Oracle 13c Oracle 18c Oracle 19c Miscellaneous PL/SQL SQL Oracle RAC Oracle Apps WebLogic Linux MySQL. Some clients want a FULL SQL Health Check, while some only want to go deep on analysis for a SINGLE database. sql errors with ORA Note 868955. SQL Health Check (SQLHC) Description The SQL Tuning Health-Check Script is a tool developed by the Oracle Server Technologies Center of Expertise. 3] " # caution: # this script may cause a slight performance impact when it run, # i recommend to not run this script so frequent. The duty of System Administrator is really tough as he/she has to monitor the servers, users, logs, create backup and blah blah blah. Some clients want a FULL SQL Health Check, while some only want to go deep on analysis for a SINGLE database. NAME: DBUPGDIAG. 2 version on Windows server. Question: Tag: postgresql,triggers I have a database which has a calendar in it. Database schema migration logging Database migrations for the Corda node’s internal database objects are recorded in the node’s default log file. You must extract the image software into the directory where you want your Oracle Database home to be located, and then run the Oracle Database Setup Wizard to start the Oracle Database. Database Health check scripts (10g,11g). Open that in SSMS, run the script, and it will install sp_Blitz in whatever database you're in. Maintaining database objects on such an environment can be tricky. com Blogger 79 1 25. This script is builded to audit several important configuration settings within Real Application Clusters, Oracle Portable Clusterware and Automatic Storage Management environment , in addition to non- Real Application Clusters, Oracle Golden Gate configuration and. sql file, which will be used inside the shell script. Since Oracle GoldenGate 11 g Release 2, a health check script has been made available on the MOS portal at https://support. ksh @@ @@@@@ $ vi /u01/scripts/tbs_usage. 1 we had the option of installing the GIMR database – MGMTDB. When I execute is via the alias, I have issues. ) :Sufficient Space available. SQL Comparison Toolset helps database administrators to manage schema and data changes for SQL Server and Oracle Database. The health of your database, like the health of your car, depends on careful maintenance and to keep all four wheels on the ground moving in the direction you dictate, certain things need to happen. Oracle Restart improves the availability of your Oracle database by providing the following: When there is a hardware or a software failure, Oracle Restart automatically starts all Oracle components, including Oracle database instance, Oracle Net Listener, database services, and Oracle ASM. 2,The oracle database and the postgresql server are running on the same server. Nagios XI provides complete monitoring of database servers and databases – including availability, database and table sizes, cache ratios, and other key metrics. Oracle Recommended Patches -- "Oracle JavaVM Component Database PSU and Update" (OJVM PSU and OJVM Update) Patches (Doc ID 1929745 Datapatch: Database 12c Post Patch SQL Automation (Doc ID 1585822. sql : Oracle database SQL scripts. Perform non-production Database Refresh Partial/Full Migrating databases either by cloning or by Data Export/Import Dataguard environment work. # CHECKING ALL LISTENERS ALERTLOGS FOR ERRORS. Oracle Database Health check scripts Health of the Database can be check in various ways. 2 Grid Infrastructure: Patches for 12. There is one health check script per database release. To obtain a list of health check names, run the following query: SQL> SELECT name FROM v$hm_check WHERE internal_check=’N’; DB Structure Integrity Check. As an Oracle DBA Below is the day to day tasks that I do • Run DDL/DML scripts • Database health check post instance reboot • Take database backup, schema backups • Stop/Start Databases • Diagnose and fix - Prod / DR sync issues • Diagnose and fix -Database unlock account • Diagnose and fix -Space related issue • Diagnose and. Oracle Database 19c : GI Upgrade (from 18c) - 2 Nodes Cluster - Part 2/2 In this blog, I pickup from my last blog where I had done all the pre-reqs successfully. Check the database hit ratios. To schedule this job, you can add a line in your cron table specifying the time you want the job to execute. That's intentional. sql - complex query from Oracle that gives a lot of details about locks job_scheduling. Oracle Database Health check: OPERATING SYSTEM: 1)Physical memory/ Load: Free:free command displays amount of total, free and used physical memory (RAM) in the system as well as showing information on shared memory, buffers, cached memory and swap space used by the Linux kernel. They can be run either like previous ones or through the OEM. Each Oracle instance has a default set of background processes that must be running. command_name check_oracle_health. Keep on top of corruption in your Oracle database with health checks. 4 will be waived until May 31, 2017. The utility called RDA with a module for Health Check called HCVE. RUN_CHECK ( check_name => 'Dictionary Integrity Check', run_name => 'DictCheck001'); END; / Report for this run:. This special check should be done in addition to the installation document and the check inside the installer. You will need to modify the UNIX environment variables as appropriate. After execution of Dictionary Integrity Check of Database Health Monitor CRITICAL FAILURE related to seg$ table reported. LONGP_POLICY: Which is used for automatically purging long-lived files, i. This would definitely affect performance if the database is a highly transactional database due to kind of locks the consistency check needs to acquire while performing the operation and also the IO done on. out set pages 1000 set linesize 135 col PROPERTY_NAME for a25 col PROPERTY_VALUE for a15 col DESCRIPTION for a35 col DIRECTORY_PATH for a70 col directory_name for a25 col. 1 – Comparative Study Between Oracle Streams and Oracle Data Guard NOTE:418755. Moving an Existing Oracle 11g Database to a New Server Sometimes you have a database installed on external storage and you need to move it to a new server. must be created. If any specific health-checks are needed and not covered by this script, then as long as the health-check can be produced with a SQL Command (leaving no database footprint ) then these can be implemented in future versions. Conduct database workload capture and replay on Oracle and SQL Server – both on-premise and in the cloud Generate virtual user and transaction workloads to stress test databases Supports Oracle, SQL Server, IBM DB2, SAP ASE, MySQL, Postgres. March 10, 2020 May 11, 2020 Mehmet Salih Deveci 3 Comments all dba scripts, Daily Check Scripts, dba day to day activities, dba scripts, health check of the database instance and listener, oracle database automation scripts, oracle database health check script, oracle database monitoring checklist, oracle dba activities with examples, oracle. prompt* Consider increase the size of the buffer cache if it is too small. sh simply display current and recommended versions and settings based on the Oracle documentation. -- -- Tablespace Usage -- CLEAR BREAKS CLEAR COLUMNS CLEAR COMPUTES SET VERIFY OFF COL tablespace_name HEA 'Tablespace Name' FOR a20 COL ambytecount HEA 'Available' FOR 99999999999. The number of this patch set is 10404530, it is possible to jump to the download page using this number. SQL>conn apps/*** SQL>spool health_check_apps_db. This script was originally from Oracle Metalink (Doc Id: 1019592. Script to Monitor Database Status or Availability Pre - requisites to Run the script: Make sure mailx is installed on your OS, also check below environements/file is created prior to execute the scripts. [[email protected] orachk]$. Supported and managed Oracle Real Application Clusters (RAC) environment on Red Hat Linux. 2) for Oracle Solaris on SPARC (64-Bit) Reference: Oracle support link. The procedure kdswrt in dbms_system package allows us to write own messages in the alert log / trace files or both. 1 – Setting Listener Passwords With an Oracle 10g or Newer Listener. Oracle Tutorials - Show All Tablespaces in the Current Database. Streams Health Check scripts provided are from 9iR2 to 12C. Oracle Grid Infrastructure. regards Alan. The detailed, unstructured logs produced by Liquibase can be enabled by providing additional log4j2 configuration. EXPLANATION: ===== Cron is a mechanism for planning and scheduling batch jobs. With over 250 configuration parameters and thousands of metrics to monitor, it?s no small task for Oracle administrators to monitor the overall health of their Oracle databases. The daemon "crond" is started automatically on system boot up. By Mihail Vukadinoff; monitoring; This tutorial explains how to set-up the check_oracle_health script (credits to Gerhard Lausser) to work on your Nagios environment on CentOS (or any RedHat based Linux). - Maintenance Database ORACLE 6. To obtain a list of health check names, run the following query: SQL> SELECT name FROM v$hm_check WHERE internal_check=’N’; DB Structure Integrity Check. Database Health Check Offering at a Glance The PTC Database Health Check Service has been designed and approved by world renowned database experts. Install the Oracle Audit Vault. The Eight Most Important DBA Shell Scripts for Monitoring the Database. Database Health Check Scripts. How to Check Oracle Database Throughput. Needless to say, I've seen a number of multipath/storage and ASM issues and to make my life easier I developed an Oracle ASM Diagnostics Script that allowed me to perform some basic health-checks on the state of ASM GROUPs and DISKs as seen from the database side. 1 release is:. log file for errors in oracle We have to check alert log files for errors, but its a time consuming process to read the file using less and check for errors. 1 – Streams Recommended Patches. tablespace_name, SUM( distinct ddf. log file for errors. 2 Grid Infrastructure. Using this script you can check the status of database running in any operating system from your local windows client. It is recommended to run the latest release of IC/R HC for your combination of OGG release and Oracle DB release. If you want to list all. The utility called RDA with a module for Health Check called HCVE. It shows the semaphore array with the ID 1146880 has 104 semaphores, and the other one has 154. It’s a free health check that catches many common performance bottlenecks. 51 Million at KeywordSpace. With Oracle 11g, these che. bat file or separately on the command prompt. Hi All, Does anyone have a db/server health check script that looks at the server. End date oracle Responsibility from Oracle FND User | Being Oracle Database administrator, we are using various API scripts to do the administrative task in Oracle Database. • Developed database monitoring/health check alert scripts for database uptime/downtime status, and sizing issues using grid control (OEM 11g, 12C). Oracle University offers in-classroom and online training and certifications. The complete script can found on the Oracle Support site as document ID:1296168. Even though it’s a single db health analysis, we still check for some server/instance level items. ORACLE-BASE - DBA Scripts for Oracle 12c, 11g, 10g, 9i and 8i. Oracle database health check shell script. DB Replication status for Oracle. • Manage production database on various. The Eight Most Important DBA Shell Scripts for Monitoring the Database. SQL> show parameter audit_trail Brief of following parameter values: NONE- Auditing is disabled. [[email protected]_SERVER1 monitor]# #!/bin/bash { # Check for task que status. When you set this parameter to TRUE a Oracle stops generating trace files for every user session. How We Resolved the Account Locked (Timed) issue? Download Oracle 11g New Features PDF. 4 will be waived until May 31, 2017. To schedule this job, you can add a line in your cron table specifying the time you want the job to execute. Database schema migration logging Database migrations for the Corda node’s internal database objects are recorded in the node’s default log file. Connected to: Oracle Database 10g Release 10. 8 Recommended Weekly Procedures for Oracle Database Health Check February 23, 2019 Calculating “X Day Active” Users for a Web Site in Oracle November 10, 2012 SQL Loader in Unix Shell Script Example July 9, 2018. on UNIX platform - Design ORACLE Database - Database migration from ORACLE 6. The check is universal (more or less) - it can be run again oracle, mysql or postgresql. Health Check of Oracle Database Database Installation. Main Article. Fortinet Document Library. Oracle Database Health Check Script Do you want to receive an email report summarize the health status of your all databases running on the same server? dbdailychk. By Mihail Vukadinoff; monitoring; This tutorial explains how to set-up the check_oracle_health script (credits to Gerhard Lausser) to work on your Nagios environment on CentOS (or any RedHat based Linux). log file for errors. BMC does not recommend, nor does it support database schema changes. Data scanning identifies the amount of effort required to migrate data into the new character encoding scheme before changing the database character set. 4 is now available for download through MySupport. Database Health Check Offering at a Glance The PTC Database Health Check Service has been designed and approved by world renowned database experts. By default, Oracle ORAchk run checks on all database nodes in the cluster. 20) my database health check script: /* script for monitoring and checking health of database-useful for production databases */-- shows running jobs select 'running jobs', sid, job,instance from dba_jobs_running; set lines 1000-- shows archive logs generaion details hourly and date wise basis. The script does all the work. 4 Oracle 11g 10. Yes, the ODA is smaller than the Exadata; yet it is still an engineered system. If you add them up, the total value has to be below the maximum limit defined by the kernel parameter (semmax). Please note that this script has to be executed by Database Owner. you may consider to schedule it to run one time between 12:00am to 5:00am. However, it's possible for. How to configure Data Guard broker: 1. Script to find the sid of the session you are logged in as. Buy Oracle DBA Quick Scripts: Oracle dba scripts collection used by expert database administrators everyday. Backup & Recovery of database Database Upgrade activities. Oracle environment health check. This would definitely affect performance if the database is a highly transactional database due to kind of locks the consistency check needs to acquire while performing the operation and also the IO done on. The procedure kdswrt in dbms_system package allows us to write own messages in the alert log / trace files or both. 5 Query to check invalid packages:- select pkgname, pkgschema, pkgversion, unique_id, bound. If the database is in NOMOUNT mode, only the control file is. ===== DataGuard. Just execute it from a batch/shell script (see Running Scripts From SQL Command Line ) and see it's output. You know the average IO read response time is 2. Failure to do so could result in costly downtime and the possible loss of valuable. It is used to detect any corrupted block in the database. All scripts inside the bundle can easily recognize the Oracle environment whether it's a Linux or Unix a long with databases version, Oracle homes. • Developed database monitoring/health check alert scripts for database uptime/downtime. Oracle Grid Infrastructure. If you want to configure database tier then you have to execute autoconfig script adautocfg. The outsiders play script pdf free. It only makes sense to have a script that can check the health of the ODA. 4 Audit files 11. That’s a real good one to clarify some internal concepts of oracle. Monitoring Oracle database from Windows 7 To monitoring if all databases are up and running you can use this script with ease. This blog is intended to share my knowledge on Oracle and various scripts that I use as an oracle DBA. where METRIC_NAME IN (‘Database CPU Time Ratio’, ‘Database Wait Time Ratio’) AND. out set pages 1000 set linesize 135 col PROPERTY_NAME for a25 col PROPERTY_VALUE for a15 col DESCRIPTION for a35 col DIRECTORY_PATH for a70 col directory_name for a25 col. 1 we had the option of installing the GIMR database – MGMTDB. The eight shell scripts provided below cover 90 percent of a DBA's daily monitoring activities. 0 - Production Export done in US7ASCII character set and AL16UTF16 NCHAR character set server uses WE8ISO8859P1 character set (possible charset conversion) About to export specified tables via Conventional Path. You have SQL Server monitoring and alerts in place, but would just like a quick health check report on your SQL Servers emailed to you daily. Documentation Warning. • Manage production database on various. [[email protected] orachk]$. With Oracle 12c/18c, these checks can be done on a regular basis daily/monthly: – DB Structure Integrity Check. Cron jobs: Modify and test the shell scripts that connect to database (using sqlplus for Oracle) with new connection details. With Oracle 12c/18c, these checks can be done on a regular basis daily/monthly: – DB Structure Integrity Check – CF Block Integrity Check – Data Block Integrity Check – Redo Integrity Check – Transaction Integrity Check – Undo Segment Integrity […]. 1 Health Check Alert: Consider setting GLOBAL_NAMES to TRUE note 196939. Oracle RDA Sunday, August 19, 2012 I noticed that many DBAs are not aware of the need to run a prerequisite system check before installation of an oracle product. Implementing effective Oracle monitoring with Nagios offers increased application availability, increased database performance, detection of database outages, failures, and table corruption. All scripts inside the bundle can easily recognize the Oracle environment whether it’s a Linux or Unix a long with databases version, Oracle homes. Friday, Oct 16, 2015, Oracle announced that the Extended Support for Oracle Database 11. OCR (Oracle Cluster Registry): OCR manages oracle clusterware and oracle database configuration information. Tv scripts online free. you may consider to schedule it to run one time between 12:00am to 5:00am. We can use this PowerShell script that uses. " Optimized backup of undo tablespace. 2) and the In-Memory Advisor (IMA) has been much awaited since then. Documentation Warning. Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. Run this Knowledge Script for Oracle RAC monitoring only. 3] " # caution: # this script may cause a slight performance impact when it run, # i recommend to not run this script so frequent. We offer each of our core remote management services for all major database platforms, including Oracle, Sybase, MySQL, SQLServer, and IBM DB2. All scripts inside the bundle can easily recognize the Oracle environment whether it’s a Linux or Unix a long with databases version, Oracle homes. After executing the master script, check the create_bladelogic_schema. Before executing script we should test it on test/dev instance, then migrate the solution/script to production carefully. Services Overview Performance and Maintenance Problems Identified with. 1) EM 12c: Agent Deployment hangs at Remote Pre-requisite Check step Or Fails With "PROV-16011: Session. Ensure that while setting up the Oracle database user for TrueSight Server Automation, you have created a directory for the Oracle tablespace of the new schema and have copied installation scripts provided by BMC. • Manage production database on various. incidents and health monitor warnings, expressed in hours and defaults to 1 year. The script does all the work. [1] In this article, we will examine how to optimize PS_TXN table when it grows. ===== DataGuard. Tip: To check whether the task completed successfully or to troubleshoot a problem, go to Analyses, right-click Oracle Features Health Check , and then click Activate. With Oracle 11g, these che. Following are some of the parameters you can use to check the health of your database: Check for accessibility and consistency of the database files by conducting a DB Structure Integrity Check. RMAN> CREATE SCRIPT recoveryscript. Checks (also called checkers or health checks) are diagnostic operations or procedures that are registered with the new Health Monitor to help assess the health of your database or other Oracle components. Since Oracle Database 11g, all traces, incident dumps and packages, the alert log, Health Monitor reports, core dumps, and more files are stored in the ADR, a file-based Automatic Diagnostic Repository for simplified database diagnostic data management. A very easy way to check parameter values for Oracle database is to issue following command from SQL*Plus prompt. sql to re-create DML triggers on tables with Oracle Label Security policies:. Oracle Database Health check: OPERATING SYSTEM: 1)Physical memory/ Load: Free:free command displays amount of total, free and used physical memory (RAM) in the system as well as showing information on shared memory, buffers, cached memory and swap space used by the Linux kernel. 36 2 OS Space threshold ( archive, ora_dump etc. The old saying, there are 100 ways to And in keeping with that saying, Oracle, in Release 11g, has introduced database health checks under a framework called health monitor. ; Write into the alertlog. Database Health Check Script Is Now HTMLized The HTMLization campaign continues on the DBA Bundle scripts as I received enormous requests asking to make the scripts send the email alerts/reports in HTML format, I understand that HTML format E-mails are more friendly to read especially from mobile phones. 3 Upgrade Readiness assessment. Sample Oracle Database for Learning SQL View more Tutorials: Oracle Database; 1- Introduction 2- Download Script 3- Run Script 3. • Configuration of ODI 10g and 11g for Hyperion Modules (Planning -- FDM Integration -- ERP Integrator ) • Various tools to check maintain and report health check of the system (Load Runner / ORAchk). Oracle Database Migration Check list. 19 mins ago. If you add them up, the total value has to be below the maximum limit defined by the kernel parameter (semmax). I have provided output to a few qu eries to ease your unders tanding Finding PGA/Temp Usage for as Session - SQL & PL/SQL over time. We faced a hard challenge during migration due to the large amount of data aggregated in the Clarity database (around 8 terabytes). If the database is in MOUNT mode, the log files and data files are examined. Database Health Check Offering at a Glance The PTC Database Health Check Service has been designed and approved by world renowned database experts. OCR (Oracle Cluster Registry): OCR manages oracle clusterware and oracle database configuration information. 6) and it not only diagnoses some potential problems of database, but offers some suggestion to amend database. It is used to detect any corrupted block in the database. This version is on a deprecation path because Oracle will no longer provides patches for 11.