Dell AX4-5 Hardware Installation Guide - Page 11
Supported Cluster Configurations, Direct-Attached Cluster - v specification
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Table 1-3 lists hardware requirements for the disk processor enclosures DPE DAE, and SPS. Table 1-3. Dell/EMC Storage System Requirements Storage System AX4-5 Minimum Required Storage Possible Storage Expansion 1 DPE with at least 4 Up to 3 DAE with a and up to 12 hard maximum of 12 hard- drives drives each SPS First is required, the second SPS is optional NOTE: Ensure that the core software version running on the storage system is supported by Dell. For specific version requirements, see the Dell Cluster Configuration Support Matrices located on the Dell High Availability Cluster website at dell.com/ha. Supported Cluster Configurations Direct-Attached Cluster In a direct-attached cluster, all nodes of the cluster are directly attached to a single storage system. In this configuration, the RAID controllers (or storage processors) on the storage systems are connected by cables directly to the Fibre Channel HBA ports in the nodes. Figure 1-1 shows a basic direct-attached, single-cluster configuration. Introduction 11