SUSE Linux Enterprise High Availability Extension

Maximize your service availability and virtually eliminate downtime. SUSE Linux High Availability Extension provides mature, industry-leading open-source high-availability clustering technologies that are easy to set up and use. It can be deployed in physical and/or virtual environments, and can cluster physical servers, virtual servers, or any combination of the two to suit your business’ needs.

KEY BENEFITS
  • Manage Pacemaker HA clusters using High Availability Web Konsole (Hawk)
  • Easy and fast setup
  • High performance Oracle Cluster File System 2 (OCFS2)
  • Feature rich Global File System 2
  • A mature, 5th-generation Pacemaker-based HA solution
  • HAProxy support to complement Linux virtual server load balancer
  • Update to the latest Relax & Recover (ReaR) version
  • Support for EMC NetWorker connector & btrfs file system included
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Version 12

System Requirements

Recommendations for specific uses
  • 512 MiB to 4 GiB RAM, at least 256 MiB per CPU
  • 4 GiB hard disk space, 16 GiB for snapshot/rollback of the OS
  • Network interface (ethernet, wireless or modem)
  • Network redundancy
  • I/O fencing mechanism and possibly shared storage
  • For Xen virtual host server, at least 512 MiB RAM for each virtual host server
  • For KVM virtual host server, KVM's limits are equal to those of SUSE Linux Enterprise Server
  • For Xen or KVM virtual machines, at least an additional 256 MiB RAM for each virtual machine
(Continued)
  • For print servers, a relatively faster processor or additional processors to improve server-based printing
  • For web servers, additional RAM to improve caching, and additional processors to improve web application performance
  • For database servers, additional RAM to improve caching, and using multiple disks for parallel I/O
  • For file servers, additional memory and disks, or a Redundant Array of Inexpensive Disks (RAID) system to improve I/O throughput
Minimum Linux server system requirements
  • Local installation: 512 MiB RAM, 512 MiB Swap recommended
  • 2 GiB available disk space (more recommended, 8.5 GiB for all patterns)
  • 16 GiB for snapshot/rollback of the OS
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What is SUSE Linux Enterprise High Availability Extension?

SUSE Linux Enterprise High Availability Extension is a mature and industry-leading open source high availability clustering technologies that is easy to set up and use. It can be deployed in both physical and virtual environments. Together with Geo Clustering for SUSE Linux Enterprise High Availability Extension, it helps maintain business continuity, protect data integrity, and maximize service uptime for mission-critical Linux workloads across local areas and even unlimited distances.

We’d like to deploy Linux Clusters and could use some assistance. How can SUSE help us?

You can deploy and manage SUSE Linux Enterprise Server clusters with complete confidence, knowing you're backed by the world-class services organization at SUSE. Whether you run a small business or a global enterprise, SUSE has the resources you need to build and manage your IT environment. Leverage our consulting experts, obtain industry-leading training, and access our award-winning support organization to ensure you get the most from your IT investment.

Why the product is called an “extension”?

The product is called an extension because it is an add-on product to SUSE Linux Enterprise Server 12, and it "extends" the capabilities of the server operating system. You need both SUSE Linux Enterprise Server and SUSE Linux Enterprise High Availability Extension to set up highly-available Linux clusters. Paid subscriptions to both are also required to get technical support and maintenance for your clustered Linux servers.

Do I need an additional subscription for geo clustering?

Yes. To receive technical support and maintenance for geographically clustered Linux servers, a separate Geo Clustering for SUSE Linux Enterprise High Availability Extension is required, in addition to active SUSE Linux Enterprise Server and SUSE Linux Enterprise High Availability Extension subscriptions.

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Easily Manage Clustered Linux Servers

 

SUSE Linux Enterprise High Availability Extension includes a powerful unified command line interface, for experienced IT managers to quickly and easily install, configure, and manage their clustered Linux servers. Also included is a graphical user interface that provides a simple, user-friendly tool for monitoring the clustered environment.

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Improve Service Availability & Resource Utilization

SUSE Linux Enterprise High Availability Extension is one of the few clustering solutions available that supports the mixed clustering of both physical and virtual Linux servers. This versatile solution provides unprecedented flexibility and enables you to simultaneously improve service availability and resource utilization.

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Minimize Data Loss

 

All companies use lot of data and do their best to ensure that sensitive company information and intellectual property are secure. With SUSE Linux Enterprise High Availability Extension, you can protect your data assets using your existing IT infrastructure, minimizing data loss due to corruption or failure.

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