Disk-array enclosure (DAE)
EMC VNX7500 Parts Location Guide 47
Table 31 lists the part number label location, part number, description, and whether it is a
FRU or CRU.
Access to disk drives, LCCs, and fan control modules
Unlike the 2U and 3U DAEs, the 4U, 60 DAE is a drawer-type of DAE that slides in and out
of a 40U Dense rack. The DAE is not fixed to the rack. To view the part numbers for the disk
drives, fan control modules, and LCCs, which are located inside the DAE, you slide the
DAE out of the rack. Then, you slide the top cover on the DAE toward the rear of the rack to
view the components.
When sliding the 4U, 60 DAE out of or into the rack, be careful not to bind the power and
SAS cabling attached to the cable management arms on the back of the DAE.
To gain access to the DAE, you must first, release the cable management arms and move
them to either side on the back of the DAE (see the Opening the cable management arms
task in the procedure). Then, pull up on the Dense rack vertical slide bar interlock
mechanism. Next, to unlock the DAE from the rails, pull on the orange loops on each side
of the DAE (location 1 in Figure 39 on page 48). Finally, pull the orange tabs on each side
of the DAE to slide the DAE out of the rack on its rails until it locks into the secure service
position (location 2 in Figure 39 on page 48).
Note: If the 4U, 60 DAE does not slide out of the rack, verify that all the other DAEs are
completely seated in the rack by pushing firmly on them.
To prevent bodily injury when mounting or servicing the 4U, 60 DAE in a Dense rack, you
must take special precautions to ensure that the DAE remains stable. The following
guidelines are provided to ensure your safety:
When lifting this DAE, always use two people and a lifting device.
For service personnel, when accessing this unit in a rack above 31U, always use an EMC
authorized step ladder.
When mounting this unit in a partially filled rack, load the rack from the bottom to the top
with the heaviest component at or close to the bottom of the rack.
Table 31 DAE 4U, 60 DAE chassis part numbers
Part number label
location
(Figure 38) Part number Description (see note) FRU CRU
100-564-101 4U, 60 DAE chassis
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