Script to monitor primary and standby database

scripts to monitor standby database - DBACLAS

DG BROKER COMMANDS . How to configure Data Guard broker: 1.Start the DMON process on both the primary and standby databases: SQL> ALTER SYSTEM SET DG_BROKER_START=TRUE SCOPE=BOTH; System altered.2.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. -- The DATABASE_ROLE should be STANDBY as that is what this script is intended to be run on. -- PLATFORM_ID should match the PLATFORM_ID of the primary or conform to the supported options in -- Note: 413484.1 Data Guard Support for Heterogeneous Primary and Physical Standbys in Same Data Guard Configuration Step by Step Process to Resolve gap on the Standby database. Summary 1. Check the name and status of database. 2. Check for GAP on standby 3. Check redo received on standby 4. Check redo applied on standby 5. Identify missing archive log files 6. Copy archive log files 7. Register archive log files wit

Hi, Standby archive logs should be falling behind by 2 than Primary archive logs. For example: If standby archive logs are at -> 498 Primary archive logs are at -> 500 Then alert mail should be sent to xyz@yahoo.com with the message standby logs are behind primary Thanks for your help and time!! Regards SQL>alter database start logical standby apply immediate; --- to start. SQL>ALTER DATABASE STOP LOGICAL STANDBY APPLY; -- TO STOP. The best practice would be schedule a script to monitor this process every 60/30 min. Below script will keep track of the SQL apply process and throw alert if it doesnt meet the condition 7.1 Prerequisites for Getting Started. One of the prerequisites for using DGMGRL is that a primary database and any standby databases must already exist. The DG_BROKER_START initialization parameter must be set to TRUE for all databases in the configuration. You must use a server parameter file with the broker (see Section 2.1 and Section 8.1.3).. Convert the initialization parameter files.

On the machine where the Standby Database is running we need to run the following script: $ cd /var/opt/oracle/dataguard $ ./make_me_primary.sh. After the switchover is completed, we need to run the following script on the machine where the former Primary (now new Standby) database is running: $ cd /var/opt/oracle/dataguard $ ./start_recovery.s In standby setup, archives log from primary shipped to standby and applied there. But if the primary database crashes, then the online redo logs will stay in primary side. As these logs hasn't been archives, means those won't be applied to standby, Which results in data loss Oracle Dataguard physical Standby configuration in 19c: Overview steps: Step:1 we have to enable the archive log mode ,flashback on primary databases.. Step:2 Then enable the force logging option.By enabling the force logging option it helps us to capture all the changes made in the database and available for recovery in the redo logs.. Step:3 Add the redolog files for standby database,it is. Monitor Data Guard Recovery Progress on Standby Sites. Determining the progress of the recovery process is essential before switchover to a standby database. Moreover, the recovery progress should be monitored periodically in order to find the lag between the primary database and the standby database For example, if the primary database has 3 log files for each thread and 2 threads, then 8 standby redo log file groups are needed on the standby database. Verify the standby redo log file groups were created

Shell Script To Monitor/Check The Lag/Sync Status Between

In the primary and secondary database of the SQL Server instance, the alert configuration will reside in the tables of the msdb database. In the log shipping for primary database, log_shipping_monitor_primary table is there, and for the secondary database table, named log_shipping_monitor_secondary is there Examine views to monitor Primary and Physical Standby Databases using SQL*Plus; NOTE: This OBE represents a Data Guard configuration where orcl is the primary database and standby1 is the physical standby database SID. For simplicity, in this OBE, both the primary and standby databases are running on a single server RMAN Incremental Backups to Roll Forward a Physical Standby Database. What Is an Archive Gap:-. An archive gap is a range of archived redo logs created whenever the standby system is unable to receive the next archived redo log generated by the primary database

Without Active Data Guard, you need to do the SCN to timestamp conversion on the primary. Or read the SCN from the datafiles, but this is not the latest apply but the lastest checkpointed: SQL> alter session set nls_date_format='dd-mm-yy hh24:mi:ss'; Session altered Monitoring Data Guard Log Shipping using Shell Script with Mail alert Version:- Oracle 11g Now lets create the shell-script which will monitor the log gap in between of primary and standby database:-From oracle user. mailx -s Attention!! There is a loggap between Primary and Standby Database at `date` BETWEEN CCUINE23 AND CCUINE103. I am Founder of SysDBASoft IT and IT Tutorial and Certified Expert about Oracle & SQL Server database, Goldengate, Exadata Machine, Oracle Database Appliance administrator with 10+years experience.I have OCA, OCP, OCE RAC Expert Certificates I have worked 100+ Banking, Insurance, Finance, Telco and etc. clients as a Consultant, Insource or Outsource.I have done 200+ Operations in this clients. The primary database and standby database cannot share the same control file. If you place your primary and standby databases on the same host, some operating systems will not allow you to mount two instances with the same database name on the same machine simultaneously. Workarounds for this situation exist for every platform Creating Oracle DR/Standby synchronization report using Python scripting. Dear Readers, In my previous posts, I discussed about tablespace/FRA/RMAN backup/Patchset level monitoring/DB inventory using python. Here comes my new python code for generating DR/Standby synchronization status report from the list of databases provided in the DB list

Database Administration Tips: Shell Script To Monitor

  1. Please help me i need to monitor standby database(or) Data Guard using shell script below things. *Alerts: * Check for archive redolog gap - * Check for delay in applying redo logs * Check for delay in shipping * Check for MRM(Managed Recovery Mode) mode if not i need to get aler
  2. In oracle 12c, if datafile is missing is standby database, then it can be restored easily from primary database using RESTORE DATAFILE FROM SERVICE command. This is one of the new feature of dataguard 12c . DEMO: PRIMDB - Primary database. STYDB - Standby database. Check status of primary and standby database
  3. Hi April, I was trying to run a daily/houly script to monitor whether there is a GAP betweben a primary and physical standby database as below
  4. # It checks the LAG between Primary & Standby database # To be run by ORACLE user # ##### # ##### # Variables MUST be edited by the user: [Otherwise the script will not work] # ##### # Here you replace youremail@yourcompany.com with your Email address: EMAIL_RECEIVER=youremail@yourcompany.com export EMAIL_RECEIVER # Replace ${ORACLE_SID} with.
  5. These steps are: STEP #1: Take an incremental backup of primary from the SCN where standby is lagging behind and apply on the standby server STEP #2: If step#1 is not able to sync up, then re-create the controlfile of standby database from the primary STEP #3: If after step#2, you still find that logs are not being applied on the standby, check.
  6. #!bin/bash # ##### # This script MUST run from the Primary DB server. # It checks the LAG between Primary & Standby database # To be run by ORACLE user # Author: Mahmmoud ADEL # # # # ### # Created: 29-10-2015 # # # # # # Variables MUST be edited by the user: [Otherwise the script will not work
  7. Apply latest PSU on on both primary and standby (click below for example) The database upgrade script will not upgrade the following Oracle components: OLAP Catalog,OWB The Oracle database upgrade script upgrades most, but not all Oracle Database components that may be installed. Database Buffers 570425344 bytes Redo Buffers.

Dataguard ( Standby ) Monitoring Lag Command and Scripts

The following script needs to be run on the Primary Database. Do not worry, the script doesn't has a shutdown command In addition to the above scripts, this script helps in monitoring the standby. It basically lists out the last archive that has been received on the standby and also the last archive sequence that has been applied on. The following script, to monitor Dbvisit Standby with Nagios, status echo echo --status SID echo Check the state of the Database echo and print out the state standby or Primary } case $1 in 1) cmd When you use the check_oracle.sh plugin you get errors on the Standby Database because its not open and no was accepted. Standby Database Hi Tom,I am in the process of setup the standby database for my production database. I have gone through with couple of doucments. Most of the things are clear to me, but still there are some comfusion:1. Do I need to have totally separate hardware (Harddisk, controller etc.) or Can I create

Video: Top DBA Shell Scripts for Monitoring the Database - BMC

Physical Standby Data Guard useful SQL scripts - Expert Oracl

  1. First, an example on backing up a standby database and; Using the standby backup to perform a primary database restore. Before I get into the details I think it is good to provide more information about the environment I am using. I am making use of Oracle Database Standard Edition 11g ( running on Oracle Linux 5 x86_64 update 8
  2. Jul 9 '18 at 16:4
  3. Lastly, we can verify log shipping configuration by creating an object in the primary database and then run the backup, copy and restore jobs to check that the object is created in the secondary database. Run the below script on the primary server to create a dummy table named Manvendra in the primary database
  4. The Primary Database section of this page shows the hostname of the primary database, current log sequence number, and an option to edit primary database properties. The Standby Databases section of this page shows all standby databases that are configured for this environment along with properties about each database, such as name, host.
  5. We did this yesterday: Turn two Oracle 11 databases that were primary / physical-standby into standalone / standalone. There are many ways to set up an Oracle physical standby system: With or without broker, data guard manager, in different modes e.t.c. pp. This is what worked for us

Dataguard commands and SQL scripts - Valeh Agayev's blo

Check the primary database is in sync with standby database or not. At Primary Side: Oracle Sample Unix script to monitor select query during Load Test; Previous Post: Ease of DB Administration Via SecureCRT. Next Post: Difference b/w Common user and Local user in Oracle 12c There is a checkbox to choose whether or not you want to swap monitoring settings between the primary and standby databases. I check the box as this is a good thing, but as the text says you have the option to NOT swap the monitoring settings and instead use your own detailed monitoring templates for each system and apply them after the switchover Examine views to monitor Primary and Physical Standby Databases using SQL*Plus; NOTE: This OBE represents a Data Guard configuration where orcl is the primary database and orclsby1 is the physical standby database SID. For simplicity, in this OBE, both the primary and standby databases are running on a single server The script can also be customised so as to email an alert notification if the standby and the primary go out of sync by say 5 log files. Drop me a line if you need that customisation script. This report is based on a Unix shell script (check_logship.sh) which in turn calls a SQL script (check_logship.sql)

Cool. Another good idea. If I've switched Primary/Standby back and forth a few times, both their alert logs will show Media Recovery Waiting in them, but at least the dates (provided by your egrep -B) will help. Here might be a problem case: Suppose San Jose is Primary and Boston is Standby and in MRP. Suppose San Jose has never yet been a. Standby Server. On the standby database, run the ALTER DATABASE RECOVER MANAGED STANDBY DATABASE command to start redo apply.The USING CURRENT LOGFILE means the redo is applied as soon as it is received on the standby.The DISCONNECT option means the redo apply will run in background session With the EM it is very much possible to create new standby for the primary database, Checking Standby database progress summary, configuring the Data Guard options like Real-Time Query, Flashback, and Enabling/Disabling Broker so on and including monitoring the Data Guard Configuration This is the second installment of a two-part series on 2ndQuadrant's repmgr, an open-source high-availability tool for PostgreSQL. In the first part, we set up a three-node PostgreSQL 12 cluster along with a witness node. The cluster consisted of a primary node and two standby nodes. The cluster and the witness node were hosted in [

In this article, we will see the creation of DataGuard with 2 node RAC Primary Database and 2 node RAC Standby database. Primary Database Standby Database Primary Instance Standby Instance RACDB DGRACDB RAC1 DGRAC RAC2 DGRAC1 What I have already done 1. My production database is up and running with 2 node RAC Oracle Version [ Dbvisit Standby Version 7, renames the archive logs when it copies them from the Primary to the Standby.But if for some reason you have to do it manually once-off, you have two options: Copy the archive logs from primary to standby (Dbvisit ARCHDEST location), rename the files and then run dbvisit to apply logs Step 4: Now that we are certain that the secondary database is in standby mode, our goal is to change the state to restoring mode to prevent read operations and make the database inaccessible to users. Here we will change this setting in SQL Server Management Studio on primary database server. First connect to primary database server in SQL Server Management Studio

Another script should check for the gap between production online log and the log stream received by the standby database. This is NOT the gap of online log APPLIED to the standby database. THIS IS THE GAP OF ONLINE LOG TRANSMITTED TO THE STANDBY RFS PROCESS and can be used to monitor your dataguard transmission from production to disaster. If you want you can read more about the different standby databases or snapshot standby databases in particular. Pro Tip 2: Monitoring Queries When you have created the standby database in OCI and are waiting for the switch-over you can use these commands for monitoring Standby database to start behaving as Primary database.. The following conditions must be met before you can use the broker: Primary and standby DB's must be on same version You must use a SPFILE to ensure the broker can persistently reconcile values between broker properties. DG_BROKER_START parameter must be set to TRUE

Dataguard - Client failover on standby database configuration How can the clients automatically connect to the new Primary database (previously Standby database) in case of failover/switchover using Tnsnames.ora without changing tnsnames.ora file on each client machine. Do I have to make two listeners on each server and a common service name A standby database is an exact copy of the primary database. Everything in the primary database is also in the standby database. This included all tablespaces, users, grants, and database objects. The standby also maintains copies of all the datafiles. Every change in the primary database is applied to the standby using redo apply These checks are mainly Database connectivity checks. We validate that the primary and standby databases are in the correct expected state. For example, the primary should be in open read, write state, where the standby should be either in read-only or recovery state. User Checks - also referred to as the User Script chec Oracle Data Guard still offers support for the venerable logical standby database in Oracle Database 11g. This article, investigates how data warehouse and data mart environments can effectively leverage logical standby database features, but simultaneously provide a final destination when failover from a primary database is mandated during disaster recovery

Oracle Official Script to check Dataguard - EzDBA - BLO

Enter your email address to follow this blog and receive notifications of new posts by email The primary will show this in the log: LOG: standby walreceiver is now a synchronous standby with priority 1 The standby will show: LOG: database system was interrupted; last known up at 2018-10-24 15:49:55. LOG: entering standby mode. LOG: redo starts at 0/3000028. LOG: consistent recovery state reached at 0/30000F Before you delete any files on the primary database, you should be sure you no longer need them for the recovery of the standby database. Initial configuration When you use the Data Guard Broker for the configuration of your standby database, it will create a remote archive destination on the primary, connecting to a service on the standby. The following custom monitor script has failed on a standby node. The agent will stop monitoring the local database. Script location: script_name Script output: script_results. Primary custom monitor failure for cluster cluster_name. The following custom monitor script has failed on a primary node. EFM will attempt to promote a standby

I too was frustrated by the lack of exposure of the apply rate to the standby. I wrote this script years ago using more common views and extrapolated the necessary information. rem Script: get_redo_apply_metrics.sql rem Reports standby apply rate with lag rem set lines 120 pages 60 column SizeM format 9,999.9 column MB/sec format 9,999.9 To configure a dual standby Azure-SSIS IR pair that works in sync with Azure SQL Database failover group, complete the following steps. Using Azure portal/ADF UI, you can create a new Azure-SSIS IR with your primary Azure SQL Database server to host SSISDB in the primary region Log shipping in SQL Server is the process of enabling an automatic backup of the complete database and transaction files of the primary server and then restoring the backup on a secondary server. Being a high-availability solution, it increases the database availability of SQL Server by creating a backup server that can replace the primary server in case of data disasters Important. When you change a secondary database to the primary database, to provide a consistent experience to users and applications, you might have to re-create some or all of the metadata for the database, such as s and jobs, on the new primary server instance # Purpose script: # This script checks if standby and primary are in sync and if standby is in mode READ ONLY WITH APPLY # violations will be mailed to recepients defined in this script. # # Usage script: # Place this script on the standby database server in /home/oracle/scripts # The following changes will be necessary when implementing this.

shell script to check archivelog gap between standby and primary(DG sync monitoring script) below script can be used to find archivelog gap between primary and standby. if shipping gap or apply gap is greater than or equal to 5 you will get mail(you can change the number if you want in if condition) The following tips will help you in monitoring sync between primary and standby databases. 1. Check for GAP on standby 2. Check redo received on standby 3. Check redo applied on standby Solution: Execute following queries: A

How to Check Whether Physical Standby is in Sync with the

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  2. The following tips will help you in monitoring sync between primary and standby databases. 1. Check for GAP on standby. 2. Check redo received on standby. 3. Check redo applied on standby. Solution: Execute following queries: A. On Primary. Monitoring redo log switches
  3. In this article we are going to see about how to refresh the standby database using RMAN Incremental Backups. My scenario is , I have faced the log difference between the primary and standby databases and then I sync the primary and standby databases by taking the incremental backup. Let us see in brief abou
  4. In the Standby Database Monitoring Credentials section, you can choose between a non- SYSDBA user such as DBSNMP to monitor the database or choose to use the SYSDBA monitoring credentials. After completing all pages in the wizard, you see the Add Standby Database Review page. Review the information on this page and click Finish to submit a job.
  5. select * from msdb.dbo.log_shipping_monitor_secondary where secondary_database='db_name' or select * from msdb.dbo.log_shipping_monitor_secondary. this table is stored in msdb database. It provides primary_server , primary database,secondary_server ,secondary_database names. Hope this helps
  6. Step 3: Schedule the script to run in the crontab: [Recommended to run once a day during non-peak hours] [By Oracle user] # crontab -e #Add the following line to schedule the execution of dbdailychk.sh script. let's say every morning: 0 6 * * * /home/oracle/ dbdailychk.sh Note: /home/oracle/ dbdailychk.sh is the full path pointing to dbdailychk.sh script
  7. Hi, I have just setup a standby db (Oracle 8.0.5) and everything works fine but I would like to script the transfer for archive log files from one computer to the other. Please submit any scripts to do this. John

shell script for primary and standby DB archive log chec

Recovering standby database if archive is missing , using rollforward standby using incremental backup. 1) After recovery in step above to sqlplus and get the current scn from standby database Oracle Database Exadata Cloud Machine - Version N/A and later Oracle Database Exadata Express Cloud Service - Version N/A and later Oracle Cloud Infrastructure - Database Service - Version N/A and later Information in this document applies to any platform. Goal. How to shutdown Primary or Standby database in a Data Guard setup for maintenance.

What is a Logical Standby & How to Monitor i

  1. Before setting up a logical standby database, ensure the logical standby database can maintain the data types and tables in your primary database: SYS@ PROD 12c > SELECT COUNT(*) FROM DBA_LOGSTDBY_UNSUPPORTED; COUNT(*) ----- 0. Ensure Table Rows in the Primary Database Can Be Uniquely Identified
  2. Proactive monitoring of an Oracle Data Guard environment involves monitoring both the primary and all associated standby databases. While monitoring such an environment, DBAs should be knowledgeable of the company's RPO and ensure that there is no data loss should the production database fail due to corruptions, system failures, storage.
  3. g the switchover in Standby environment a)If we are using the OEM Enable a blackout for primary database in enterprise manager.b)check the crontab jobs for Primary database need to disabled.c)Check for executing backups/exports and cancel.d)Identify the log gap if gap present resolve the gape)From Primary and Standby
  4. A very important thing to monitor: write a script to compare parameters of standby and primary db. Some parameters will differ (filter those out) but most must not. I also recommend to write a script to check archive log houskeeping - if you backup archive logs on one of databases (I prefer primary) then somehow you need to delete logs on.
  5. The script reports the time it took to apply the log, the size of the log, and the redo apply rate for that log. Diff(sec) reports the actual time difference between redo logs applied on the standby. Lag(sec) reports the time difference between when the archive log was completed on the primary and when it was applied on the standby

Scenarios Using the DGMGRL Command-Line Interfac

When the primary aborts due to a failover condition, the observer will attempt to reinstate the old primary as the standby when the standby is mounted and the observer senses the mount. At that point, the observer will use flashback database to flash the database back to the failure point, and instantiate it as the new standby database in. IMPORTANT: Before configuring a new complete Data Guard environment via the Data Guard tab, you should add to monitoring its Primary database and Standby database using the Oracle Instances > Monitor dashboard; otherwise you will not be able to add these databases to the configured Data Guard environment. Creating a new Data Guard environment via the Data Guard tab is an optional feature which. Next step is to OPEN the standby database in read write mode as suggested by the Physru.sh script. Now at the Primary Site Run again Physru script. In this step, the primary database will become the logical standby database and logical standby database become primary database but it has db_unique_name=finan which is running on

On primary we have +DATAC2 and on standby we have +DATAC1. So if we create a control file for standby from primary database, it has location as +DATAC2. Now we start the standby database with this control file, will it automatically change the location to +DATAC1? Do we need to manually update that. Is there any other way to work around this Run the HADR monitor script to show that it is exiting with a 2 (offline) on the primary server and a 1 (online) on the standby. The following is an example of the location and syntax to run the HADR monitor script on each server -- The following 3 database server used for primary, standby and catalog database and backup taken from standby database-- TESTDB1: Primary Database-- TESTBD2: Standby Database-- CATDB : Catalog Database-- Create Catalog User CREATE USER rman IDENTIFIED BY rman123 TEMPORARY TABLESPACE temp DEFAULT TABLESPACE RMANCAT QUOTA UNLIMITED ON RMANCAT Data Guard Broker is the management and monitoring component with which you configure, control, and monitor a fault tolerant system consisting of a primary database protected by one or more standby database.Data Guard can be used in combination with other Oracle High Availability (HA) solutions such as Real Application Clusters (RAC), Oracle.

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