46 EMC VNX7500 Parts Location Guide
Disk-array enclosure (DAE)
4U, 60 (2.5- or 3.5-inch) disk drive DAE
The 4U, 60 (2.5- or 3.5-inch) disk drive DAE is assembled and configured at the factory
before shipping. If replacing or adding a 4U, 60 (2.5- or 3.5-inch) disk drive DAE becomes
necessary. Refer to the following CAUTION that discusses the mounting and servicing of
the 4U, 60, (2.5- or 3.5-inch) disk drive DAE in a 40U Dense rack. Additionally, refer to the
Replacing
or
Adding a DAE
for the 4U, 60, (2.5- or 3.5-inch) disk drive DAE documents.
Access to internal components in a 4U, 60 DAE mounted 31U (4.5 feet or 1.38 meters) or
more above the floor requires special equipment and is restricted to authorized service
personnel only. Attempts to service disks, fans, or LCCs mounted 31U or higher without
appropriate tools and personnel might result in serious personal injury.
The 4U, 60 (2.5- or 3.5-inch) DAE includes up to 60, 2.5- or 3.5-inch disk drives.
Supporting 6-Gb/s data transfer speeds, this DAE has the following hardware
components: three fan (or cooling modules), 60 disks (30 per side), two Link Control
Cards (LCCs), two Inter Connect Modules (ICMs), and two power supplies.
To replace or add any of these components, refer to their respective Customer
Replaceable Unit (CRU) procedure for the 4U, 60 DAE. For example, to replace a disk drive,
refer to the
Replacing a disk in a 60-disk enclosure
document
.
To accommodate the 4U, 60 DAE, a 40U Dense rack is required. The Dense rack is 44
inches (111.76 cm) deep. Because each DAE weighs 57.8 lb (26.28 kg) empty and 213 lb
(96.62 kg) fully loaded, a DAE interlock mechanism is provided in the Dense rack to
prevent the extension of no more than one DAE at a time.
Figure 38 shows the part number label location on the front of the 4U, 60 DAE chassis.
Figure 38 Example of the 4U, 60 DAE chassis (front view)
Part number (P/N) label
VNX-000675
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