Solutions for High Availability

There are many strategies for improving IT system availability. The relative positioning of the most common options is explained in the Availability Pyramid.

This section documents the basics of server clustering, a key foundation technique for availability. Start with an outline of basic two-way fail-over and the read on to understand more sophisticated approaches.

Multi Site Clusters

N+1 Clustering

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Featured Content

Backup or Archive? An age old question - after almost 60 years of data storage and backup on electro-magnetic media, people are still confused as to what a "Backup" is and what an "Archive" is. See Tim's blog post explaining the difference.

The ENSTOR team pull together the 'noughties' most influential technologies in this Blog Post from Tim Davoren