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Cabling Your Cluster Hardware 31
• The shared storage systems and firmware must be identical. Using
dissimilar storage systems and firmware for your shared storage is not
supported.
• MSCS is limited to 22 drive letters. Because drive letters A through D are
reserved for local disks, a maximum of 22 drive letters (E to Z) can be used
for your storage system disks.
• Windows Server 2003 and 2008 support mount points, allowing greater
than 22 drives per cluster.
For more information, see "Assigning Drive Letters and Mount Points"
section of
Dell Failover Clusters with Microsoft Windows Server 2003
Installation and Troubleshooting Guide
or
Dell Failover Clusters with
Microsoft Windows Server 2008 Installation and Troubleshooting Guide
on
the Dell Support website at
support.dell.com/manuals
.
Figure 2-11 provides an example of cabling the cluster nodes to four
Dell/EMC storage systems.
Figure 2-11. PowerEdge Cluster Nodes Cabled to Four Storage Systems
private network
cluster node
Fibre Channel
switch
storage systems (4)
Fibre Channel
switch
cluster node