EMC CX500I Configuration Guide - Page 123

Disks Storage-System Hardware The disks - available in differing capacities - fit into slots in the DAE2 enclosure. EMC offers two types of DAE2: ◆ a standard DAE2 version with high-performance Fibre Channel disks and FC-AL link control cards ◆ a DAE2-ATA version with economical ATA (Advanced Technology Attachment) disks and FC-to-ATA link control cards to manage the disks and provide an interface between the FC-AL and the drives. Each disk has a unique ID that you use when binding or monitoring its operation. The ID is derived from the Fibre Channel loop number, enclosure address and disk slot in the enclosure. (Chapter 5 describes disk IDs in detail.) t 0114 0113 0112 0111 0110 019 018 017 016 015 014 013 012 011 010 Enclosure address 1 Loop 0 1014 1013 1012 1011 1010 109 108 107 106 105 104 103 102 101 100 Enclosure address 0 Loop 1 Enclosure address 0 Loop 0 * 0014 0013 0012 0011 0010 009 008 007 006 005 004 003 002 001 000 * Disks in DPE2 for CX300 or CX500 and in standard DAE2 for CX700 EMC2786 Figure 6-4 Disks and Their IDs Disks with IDs 000 through 004 must be Fibre Channel disks. For a CX300 or a CX500/CX500i storage system, the slots for these disks are in the DPE2. For a CX700 storage system, the slots for these disks must be in a standard DAE2 and not a DAE2-ATA. Enclosure 0 on loop 0 in a CX300, CX500, CX500i, or CX700 storage system must contain disks with IDs 000 through 004. The remaining disk slots can be empty. Hardware for CX300, CX500, CX500i, and CX700 Storage Systems 6-7