Oracle® Solaris Cluster 4.2 Hardware Administration Manual

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Updated: July 2014, E39726–01

Complying With Quorum Device Requirements

You must use a quorum device for a two-node cluster. For larger clusters, a quorum device is optional. These are standard cluster requirements.

Note -  Starting with Oracle Solaris Cluster 4.1, a quorum device can be a storage device or a quorum server.

In addition, you can configure quorum devices to ensure that specific rooms can form a cluster in the event of a failure. For guidelines about where to locate your quorum device, see Deciding How to Use Quorum Devices.