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12 Introduction
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NOTE: The amount of RAM supported per node also depends on your cluster platform.
NOTE: Running different operating systems in a cluster is supported only during a rolling upgrade. You
cannot upgrade to Windows Server 2003 Enterprise x64 Edition. Only a new installation is permitted for
Windows Server 2003 Enterprise x64 Edition.
NOTE: MSCS and Network Load Balancing (NLB) features cannot coexist on the same node, but can be
used together in a multitiered cluster. For more information, see the Dell PowerEdge Clusters website at
www.dell.com/ha or the Microsoft website at www.microsoft.com.
Storage System
Table 1-2 provides a list of supported storage components and the configuration requirements
for the cluster nodes and stand-alone systems connected to the storage systems.
Table 1-1. Windows Operating System Features
Windows 2000 Advanced Server Windows Server 2003 Enterprise
Edition
Windows Server 2003 Enterprise
x64 Edition
Supports two-node SCSI clusters Supports two-node SCSI clusters Supports two-node SCSI clusters
Supports up to 8 GB of RAM
per node
Supports up to 32 GB of RAM
per node
Supports up to 1 TB RAM
per node
Cluster configuration and
management using
Control Panel utilities
Cluster configuration and
management using Configure
Your Server (CYS) and Manage
Your Server (MYS) wizards
Cluster configuration and
management using Configure
Your Server (CYS) and Manage
Your Server (MYS) wizards
Metadirectory Services Metadirectory Services
Table 1-2. Cluster Storage Requirements
Hardware Components Minimum Requirement
Supported storage systems Up to four Dell PowerVault™ 22xS storage systems (for the shared disk resource)
Enclosure management
modules
Two enclosure management modules (EMMs) per PowerVault
22xS enclosure
Power and cooling
requirements
Redundant configuration: two fans and dual power supplies per PowerVault
22xS enclosure
Hard drives At least two SCSI hard drives in each PowerVault 22xS enclosure to support
hardware-based RAID functionality
NOTE: The minimum recommendation for an active/passive cluster
configuration is two virtual disks. If you are going to use an active/active
configuration, at least three virtual disks are recommended.
Cables Two 1-, 4-, 8-, or 12-m SCSI cables for each PowerVault 22xS storage system
in the cluster
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