Compaq ProLiant Cluster HA/F500 Administrator Guide

Managing the ProLiant Cluster HA/F500

5-12 ProLiant Cluster HA/F500 for MA8000 Administrator Guide

COMPAQ CONFIDENTIAL

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Start Microsoft Cluster Administrator and verify that all groups, resources, and nodes

are visible. When applicable, fail back applications and resources from the original

cluster node to the newly integrated node.

At this point, the cluster should be running in a normal state.

If you encounter problems, the first troubleshooting activity should be to bring all

applications offline on each node and shut down the servers. Restart the servers and

allow the Microsoft operating system and Microsoft cluster software to start. Use

Microsoft Cluster Administrator to verify the cluster status. If you still encounter

problems, refer to Chapter 6.

Cluster Backup

Cluster backup is essential for both business-critical and nonbusiness-critical data. As

data becomes an increasingly valued company asset, it needs to be backed up on a

regular basis. The process of backing up data ensures that company assets are secure

and available when a disaster strikes. The cluster itself provides a high degree of

application availability but does not prevent a user from deleting or corrupting a file

or set of files. Backing up cluster data increases the overall level of data availability.

Several methods for backing up clustered systems exist:

• Attaching both cluster nodes to a single tape backup device, such as the

Fibre Channel-based Compaq StorageWorks Enterprise Backup Solution

• Attaching two-tape backup subsystems, where one tape backup subsystem is

attached to each cluster node

• Establishing a separate backup server that uses the standard public client LAN

as the backup path

Tape backup software varies in its level of cluster-aware integration and operation.

Contact your tape backup software vendor for more details regarding their specific

cluster implementation and support.