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How-To: Creating a Server Pool for Oracle Solaris 11 Zones

I talked a bit last week about creating Oracle Solaris 11 zones by following the zone creation how-to. If you're creating zones on at least two systems, it's a good idea to create a server pool for them. A zones
server pool lets you group 2 or more global zones (hosts) that have
the same processor architecture. The hosts must share storage
resources and have access to the same virtual and physical networks.

There are some big advantages to pooling your zones, including load balancing and high availability. When you add hosts to the server pool, you can share resources between the zones, and create policies to manage a lot of the CPU utilization and resource balancing functions and automatically migrate hosts between servers to balance the load. You can also manually move zones between hosts, and restart zones on a new host if a pooled host shuts down.

If you want to know more, there's a Server Pools chapter in the Feature Reference Guide. There's also a Creating a Server Pool for Zones how-to which walks through the process, using a hypothetical environment with two Oracle Solaris 11 zones.

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