Chapter 9: HP TruCluster Disaster Recovery

This chapter explains how to recover one or more computers in an HP

TruCluster Server environment, releases 5.0A to 5.1B.

This chapter includes the following sections:

•“Prerequisites” on page 139

•“Restoring One or More Nodes in a Cluster” on page 140

•“Restoring an Entire Cluster” on page 143

Prerequisites

Preparing for a disaster involves two major tasks, recording information and backing up the cluster. These tasks are described in the following sections:

•“Record Information” on page 139

•“Back Up the Cluster” on page 140

Record Information

This section describes the information required to restore an entire cluster. Keep an up-to-date copy of the following information in a safe place:

•Network settings for each node in the cluster.

•Partition information for the disk drives in the system.

•Mappings for the managed disks and volumes. To save this information, open the System Reference Manual (SRM) console and display the output of the Show Devices option. Record this output on paper and store the paper in a safe place.

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Disaster Recovery Guide