Automating Database Startup And Shutdown On Linux Oracle 12c

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Automating Database Startup And Shutdown On Linux Oracle 12c – Automate catastrophe failover operations for Oracle WebLogic Server with OCI Full Stack Catastrophe Restoration Introduction

Oracle Cloud Infrastructure (OCI) Full Stack Catastrophe Restoration manages the transition of computer systems, databases and functions between OCI areas from world wide with one click on. Customers can automate the steps required to get well a number of enterprise methods with out redesigning or re-architecting present infrastructure, databases or functions and with out the necessity for specialised administration or conversion servers.

Automating Database Startup And Shutdown On Linux Oracle 12c

Automating Database Startup And Shutdown On Linux Oracle 12c

To automate Oracle WebLogic Server catastrophe restoration and failover operations utilizing OCI Stack Catastrophe Restoration. The next steps can be coated on this information.

Putting in The Oracle Binaries

For this information, we’ve got offered a snapshot of the WebLogic Server market with VM methods and Base DB VM methods as under within the Ashburn and Phoenix areas. On this information, we adopted the OCI file storage service with RSINC to duplicate configuration adjustments between the first and backup areas. In the event you used DBFS (Oracle Database File System), OCI file storage, or Block Quantity Cross-Area Replication, your steps to duplicate the change configuration can have totally different steps and scripts. Assuming the WebLogic stack has been efficiently deployed in each the Ashburn and Phoenix areas, all needed steps have been accomplished to deploy Ashburn as the first and Phoenix because the backup utilizing an Oracle VLS DR deployment. You must also obtain the required scripts to carry out rsync and weblogic startup/shutdown as talked about within the doc.

Notice: Test the position of VLS-IAD as major and VLS-PHKS as standby. Process 2: Add members to the Main and Standby DRPGs

Transition plan – A kind of DR plan that performs a deliberate transition of companies from the first DR safety group to the backup DR safety group.

Primarily based on the members (Database, Compute (Mounted)), the migration plan can have the plan teams listed under and we have to customise the migration plan with the extra outlined plan teams used.

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Notice: Plan group for DB can be routinely generated in migration plan and we have to create {custom} group for 1, 2, 3 and 5.

The Run Pre-Checks choice performs a fast validation of all steps in a catastrophe restoration (DR) plan and the members related to the steps.

Failover Plan – A kind of DR plan that performs an unplanned transition of companies to a backup DR safety group.

Automating Database Startup And Shutdown On Linux Oracle 12c

With activity 5, we’ve got completed switching the applying stack from Ashburn to Phoenix. Now let’s swap the applying stack from Phoenix to Ashburn.

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Primarily based on the members (database, compute(static)) we added, the failover plan can have the plan teams listed under and we have to customise the failover plan with the extra outlined plan teams used.

The plan group for the DB can be routinely generated within the failover plan and we have to create a {custom} group to run the WebLogic situations in Ashburn.

You’ve got seen how one can routinely carry out WebLogic stack overflow and failover DR operations utilizing OCI Full Stack DR. In case you used a {custom} set up of Oracle WebLogic, use your individual {custom} outlined scripts and modify the plan in accordance with your necessities. For extra particulars, see the Full Stack Catastrophe Restoration documentation hyperlink within the Associated Hyperlinks part.

Discover different labs at /be taught or entry free studying content material on the Oracle Studying YouTube channel. Moreover, go to schooling.oracle.com/learning-explorer to change into an Oracle Studying Explorer. As a SAP technical marketing consultant working for giant firms, we face a number of challenges associated to giant SAP and HANA landscapes. There are numerous automated processes to manage these landscapes and this results in issues with HANA databases. Certainly one of these challenges I wish to share within the subsequent weblog publish.

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For safety causes there’s a month-to-month linux patching time-frame which is nightly and nobody can cease the HANA databases earlier than patching and restarting the linux server. Presently the restart is triggered though HANA is working, so the database should at all times be recovered after a restart as there isn’t a regular shutdown of the HANA database. After we analyze the traces, we at all times see the next entries within the startup course of after a reboot (with out shutting down the HANA database first):

With system integration there appears to be (no official SAP doc established) a chance to carry out a easy strategy of shutting down the HANA database throughout a Linux server restart.

Now while you run a linux system reboot, it would normally shut down the HANA database first earlier than rebooting. After I analyze the traces after such a system restart, I see a easy shutdown of the HANA database (I could not discover this earlier than):

Automating Database Startup And Shutdown On Linux Oracle 12c

This process was simply testing with a small HANA database. There have been no different SAP situations on this server. When there’s additionally a SAP occasion on the server, it’s important to have in mind dependencies when stopping/beginning. If you’re a Linux professional (I am not ;-)) you possibly can handle these dependencies inside systemd utilizing the custom-settings.conf file.

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Earlier than use, check it on a sandbox or improvement system. You will need to pay attention to the timeout (TimeoutStopSec) within the systemd service. If the conventional shutdown course of takes longer than the default timeout (360 s), you could regulate it, in any other case the restart will happen earlier than the conventional shutdown of the HANA database.

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