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Cluster Administration

206 NAS 4000s and 9000s Administration Guide

Preparing for Cluster Installation

This section provides the steps necessary to cluster HP StorageWorks NAS servers.

Before Beginning Installation

Confirm that the following specifications have been met before proceeding:

■ The SAN connection tool must be completed and all the necessary software components

for connecting to the desired storage must be installed before the configuration of cluster

services.

■ It is required that at least one LUN has been presented for the configuration of the Quorum

disk. This LUN must be created from shared storage and must be at least 50 MB. (500 MB

is recommended). Additional LUNS may also be presented for use as shared disk

resources.

■ Cluster configurations should be deployed with dual data paths for high availability. Dual

data paths from each node enable a path failure to occur that does not force the failover of

the node. Clusters can be configured with single path, but if a failure in the path does

occur, all of the node resources will be failed to the non-affected node.

HP StorageWorks NAS Software Updates

Caution: The version of Storage Manager (Quota Management software located under the

Shares tab) that comes installed on the server is not supported in a cluster. It must be

uninstalled prior to creating the cluster.The uninstall tool is located in the Cluster Installation

Guide under the Cluster tab in the WebUI. See Figure 117.

Figure 117: Uninstall Storage Manager

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HP 4000S Guia do Utilizador Página 206