Attention: If you are performing this procedure with the power turned on, you must reinstall
the fan assemblies before you remove the drive drawer. Otherwise, the equipment could overheat.
5. Remove the drive drawer by completing the following steps:
a. At the front of the storage expansion enclosure, pull the handles on the drive drawer to be
removed until the drive drawer stops. The drive drawer should not come completely out of the
enclosure at this time.
b. Label all of the disk drives in the drawer before you remove them, so that the drives can be
reinstalled in the same slot in the replacement drive drawer.
Attention: If the logical unit numbers (LUNs) have already been assigned and created, the
location of the drives in drive drawer is critical. You must record the location of the drives before
removing them in the next step.
c. Remove all of the disk drive modules from the drive drawer. See “Replacing hot-swap hard disk
drives” on page 103 for the steps to remove a DDM.
d. Slide the drive drawer release lever (see Figure 86) on both sides of the drive drawer toward you,
and remove the drive drawer from the enclosure.
6. Install a new drive drawer FRU by completing the following steps:
Attention: Damage might occur if the lock-out tumbler is in the middle of the drawer guide.
a. At the front of the storage expansion enclosure, install the new drive drawer into the slot,
making sure the lock-out tumbler is located on the top of the drawer guide. The lock-out tumbler
is a small alignment piece that is attached to the frame. Figure 87 on page 126 shows the location
of the lock-out tumbler as shown from the front of the enclosure.
Rear Front
Drive drawer
release lever
Figure 86. Drive drawer release lever on the side of the drive drawer
Chapter 5. Replacing components 125
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