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Cluster Administration

218 NAS 4000s and 9000s Administration Guide

■ In a clustered deployment, if PCNFS password and group files are being used to provide

user and group information, these files must be located on each node of the system.

Example: If the password and group files are located at c:\maps on node 1, then they must

also be at c:\maps on node 2. The contents of the password and group files must be the

same on both nodes as well.

These password and group files on each server node must be updated periodically to

maintain consistency and prevent users or groups from being inadvertently squashed.

Non Cluster Aware File Sharing Protocols

Services for Macintosh (SFM), File and Print Services for NetWare, HTTP file sharing

protocols are not cluster aware and will experience service interruption if installed on a

clustered resource during failover events of the resource. Service interruptions will be similar

to those experienced during a server outage. Data that has not been save to disk prior to the

outage will experience data loss. In the case of SFM, it is not supported because SFM

maintains state information in memory. Specifically, the Macintosh volume index is located in

paged pool memory. Using SFM in clustered mode is not supported and may result in data loss

similar in nature to a downed server should the resource it is based on fails over to the

opposing node.

Creating a New Cluster Group

To create a cluster group:

1. Open the WebUI to the Cluster tab and select Cluster Groups.

Figure 121: Cluster Groups page

2. Select Create to create a new group.

3. Specify the properties for the new cluster group and select OK to create the cluster group.

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HP 4000S Guia do Utilizador Página 218