It's time for the next Longhorn Scenario: High availability. This is a key scenario in Longhorn Server and will mainly be achieved through the following features:

Failover Clustering: To have computers (nodes) work together in a cluster will increase the availability of applications and services.  The setup and configuration of Failover Clusters has been simplified in Longhorn with a new validation wizard that lets users confirm that the system, storage, and network configuration are suitable for a cluster. We also get dynamic addition of disk resources so we can add extra storage while our servers are running. Other new features include encryption of the communication between nodes and we also remove the restriction that nodes have to be on the same subnet. This makes it easier to put them in different geographical locations.

Have a look at these Step-by-step guides for how to setup clustering in Longhorn.

We will also get a new version of Windows Backup that will include ways to do faster backups, to automatically do incremental backups and to be able to backup to DVD’s.

For those of you who tried Vista you probably know of the Performance and Reliability Monitor. This one will be included in Longhorn as well and contains a unified interface for Performance Logs and Alerts, Server Performance Advisor, and the System Monitor. We also get the reliability Monitor that shows us a stability index with details to help troubleshoot the root cause of the problem, like software installations, modified drivers etc.

The Quality of Service policy features in Longhorn enable admins to prioritize traffic between specified clients and servers, or between application servers. By doing so we can ensure that the mission-critical applications and services get priority allocation of the available bandwidth resources.

To learn more about this scenario, watch this TechNet Webcast.

Next scenario will follow this week....