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Updating LifeKeeper for Linux: A Checklist for Success

February 23, 2025 by Jason Aw Leave a Comment

Updating LifeKeeper for Linux A Checklist for Success

Updating LifeKeeper for Linux: A Checklist for Success

Keeping your LifeKeeper for Linux software updated is essential for maintaining high availability (HA), system security, performance, and compatibility. This blog will guide you through a structured process for performing software updates with minimal risk.

Following these steps can ensure a smooth update process.

1. Check the Support Matrix

Before proceeding with an update, consult SIOS’s support matrix:

docs.us.sios.com/spslinux/9.9.0/en/topic/sios-protection-for-linux-support-matrix

This document provides essential compatibility information, including:

  • Operating Systems: Ensure your current OS version supports the new software version.
  • Notes: Verify compatibility with specific kernels as well as any special instructions.

Failing to verify compatibility can result in conflicts or degraded system performance. If your setup isn’t supported, consider upgrading related components or delaying the update.

2. Create a Runbook

A runbook is your detailed guide to executing the update process. It minimizes confusion and ensures every step is accounted for. Key elements should include:

  • Pre-update Tasks: e.g., disabling automatic services, notifying users, and scheduling downtime if required.
  • Update Steps: Provide a step-by-step guide for installing the update.
  • Post-update Validation: Checklist to confirm the update was successful.

Keep the runbook accessible to all team members involved in the process.

3. Take a Backup of the hierarchy:

Before performing a LifeKeeper or OS upgrade, create a backup of your Lifekeeper hierarchies on all nodes.

To create a backup, run the following command:

/opt/LifeKeeper/bin/lkbackup –c

The backup will be created in a file called:

/opt/LifeKeeper/config/archive.<date-time-stamp>.tar.gz

4. Test in a QA Environment

Always test updates in a QA or staging environment before deploying them in production. This step allows you to:

  • Detect bugs or unexpected behavior in a controlled setting.
  • Evaluate the performance impact of the update.

Document any issues that arise and adjust your runbook accordingly.

5. Execute the Update on your Production Systems

With preparation complete, proceed with the update:

  • Follow the runbook meticulously.
  • Monitor the process for any errors or warnings.

6. Validate and Monitor Post-Update

After the update, perform thorough validation:

  • Confirm system functionality using the runbook’s checklist.
  • Monitor performance metrics to identify potential bottlenecks.
  • Engage end-users to report any anomalies.

Best Practices for a Successful LifeKeeper Update

To ensure clarity and simplicity, we recommend implementing one update or patch at a time and testing its impact before moving on to the next. This approach helps isolate the effects of each action, making it easier to identify what works best and avoid potential complications.

As part of the OS upgrade process, we recommend rerunning the LifeKeeper for Linux setup script to ensure all configurations are updated and compatible with the new environment. This helps prevent potential issues and ensures everything is functioning correctly after the upgrade.

Reach out to support@us.sios.com or open a case in the Support Portal if you have any questions prior to upgrading:

https://supportportal.us.sios.com/User/Login
By following these steps, you can minimize the risks associated with software updates while ensuring system stability and performance. For more information or additional assistance, visit our Contact Us page to connect with our team of experts.

Author:

Bill Darnell

Senior Product Support Engineer at SIOS Technology Corp.

Reproduced with permission from SIOS

Filed Under: Clustering Simplified Tagged With: Linux

SIOS Technology Expands Support in Linux Product Release

January 9, 2025 by Jason Aw Leave a Comment

SIOS Technology Expands Support in Linux Product Release

SIOS Technology Expands Support in Linux Product Release

We’re excited to announce expanded support for the SIOS LifeKeeper for Linux 9.9.0 release, including:

  • SAP HANA 2.0 on RHEL 9.4
  • SAP on RHEL 9.4
  • Watchdog support on RHEL 9
  • FUJITSU Software Enterprise Postgres 16 SP1

These newly supported configurations are fully compatible with our Linux product’s current general availability version and will continue to be supported in future releases. Importantly, no software update is required to take advantage of these additions.

Stay tuned for more updates as we continue to enhance our solutions to meet your high availability and disaster recovery needs.

Reproduced with permission from SIOS

Filed Under: News and Events Tagged With: disaster recovery, High Availability, Linux, SIOS LifeKeeper

High Availability and Disaster Recovery Solutions for Managed Service Providers

October 4, 2024 by Jason Aw Leave a Comment

High Availability and Disaster Recovery Solutions for Managed Service Providers

High Availability and Disaster Recovery Solutions for Managed Service Providers

SIOS Technology offers MSPs powerful HA and DR solutions for Windows and Linux applications, ensuring minimal downtime and unmatched reliability across all environments. With SIOS DataKeeper and SIOS LifeKeeper, boost your service offerings, cut costs, and build lasting client relationships with effortless management and top-tier support.

Download the Solution Brief

Reproduced with permission from SIOS

Filed Under: Clustering Simplified Tagged With: High Availability and DR, Linux, On Premises, SAP S/4HANA, SIOS Datakeeper, SIOS LifeKeeper for Linux, SQL Server, Windows

SIOS LifeKeeper for Linux v 9.8.1 improves the way companies manage HA/DR

May 22, 2024 by Jason Aw Leave a Comment

SIOS LifeKeeper for Linux v 9.8.1 improves the way companies manage HA/DR

SIOS LifeKeeper for Linux v 9.8.1 improves the way companies manage HA/DR

In today’s tech-driven landscape, companies are seeking innovative solutions to effectively maintain their complex application environments. In this video, Todd Doane, sales engineer at SIOS Technology, explains how the latest version of SIOS LifeKeeper for Linux helps companies in safeguarding critical enterprise systems against downtime and disasters. “The release features a new Web Management Console. It’s self-contained and does not require additional installations or third-party add-ons,” says Doane.

Reproduced with permission from SIOS

Filed Under: Clustering Simplified Tagged With: High Availability and DR, Linux, SIOS LifeKeeper for Linux

SIOS LifeKeeper vs SUSE HAE

December 14, 2022 by Jason Aw Leave a Comment

Controlling Cloud Costs without Sacrificing Availability or Performance

SIOS LifeKeeper vs SUSE HAE

In many enterprises, SAP systems are so essential to the operation of core enterprise business operations that even brief periods of downtime can have devastating consequences. However, Linux-based solutions can be complicated and error-prone. Even SUSE HAE and other open source clustering options, are highly manual and only protect individual components. Read the white paper to learn the differences between SUSE HAE and SIOS Protection Suite and find out the fastest, most accurate way to manage and optimize Linux environments.

Download the white paper here

Filed Under: Clustering Simplified Tagged With: Linux, SIOS LifeKeeper for Linux

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