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EMC Fibre Channel Storage System Model FC4700 Configuration Planning Guide
Storage-System Hardware
A separate standby power supply (SPS) is required to support write
caching. All the storage components — rackmount DPE, DAEs, SPSs,
and cabinet — are shown in the following figure.
Figure 6-3 Rackmount Storage System with DPE and DAEs
Disks
The disks — available in differing capacities — fit into slots in the
enclosure. Each module has a unique ID that you use when binding
or monitoring its operation. The ID is derived from the enclosure
address (always 0 for the DPE, adjustable on a DAE) and the disk
module slot numbers.
EMC1744
Rear
Front
DPE
DPE
DAE
DAE
DAE
DAE
SPs
Standby power
supplies (SPSs)