Cma Replacement - Western Digital Ultrastar ScaleUp SE4U102 User Manual

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User Guide
Figure 68: Seating the 3.5in HDD Assembly
Step 11 : Repeat this action to fully install the remaining drive assemblies in the same order, from left-to-
right, rear-to-front.
Step 12 : Push the enclosure back into the rack to ensure proper cooling.
3.7   CMA Replacement
Attention: The CMA Lite replacement package includes a CMA arm and spacer brackets.
Replacing the CMA arm can be done with the enclosure in place in the rack. To replace the
spacer brackets, the enclosure must be removed from the rack. For the replacement of a CMA
arm alone, anything pertaining to the spacer brackets may be skipped.
Cable Ties (for configurations with greater than 10 total cables)
Step 1 : Place the CMA(s) into the service position.
Replacement Requirements
Personnel Required
Avg. Replacement Time
Max Replacement Time
Tool
# 2 Philips Screwdriver
Tape Measure
Low-Profile M4 x 3.2mm Philips screws
3. Support

3.7 CMA Replacement

CMA Standard: 1
CMA Lite: 2
CMA Standard: 15m
CMA Lite: 45m
Required vs. Recommended
Required
Recommended
Recommended
Recommended
80

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