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2-Gigabit Disk-Array Enclosure (DAE2) Hardware Reference
About DAE2 Disk Enclosures
Introduction
The DAE2 (2-gigabit disk-array enclosure) is a highly available,
high-performance, high-capacity storage system that uses a Fibre
Channel Arbitrated Loop (FC-AL) as its interconnect interface. An
enclosure connects to another DAE2 or a processor such as a CX600,
CX400 or CX200, and is managed by storage-system software in
RAID (Redundant Array of Independent Disk) configurations. The
enclosure is only 3U (5.25 inches) high, but can include 15 hard disk
drive/carrier modules. Its modular, scalable design allows for
additional disk storage as your needs increase. The examples and
illustrations in this manual show the rackmounted DAE2 in a
standard 40U EMC cabinet.
EMC produces two types of DAE2. The standard version includes
Fibre Channel disk drives and FC-AL link control cards to manage
them. The DAE2-ATA (Advance Technology Attachment) version
uses economical ATA disk drives and FC-to-ATA link control cards to
manage the disks and provide an interface between the FC-AL and
the drives.
Figure 1-1 DAE2
EMC2164
Disk
Drive
(0 - 14)
Front
Bezel
Rackmount
Cabinet