IBM x3550 M4 Type 7914 Installation And Service Manual page 238

Figure 116. Hot-swap hard disk drives installation
5. If you are installing additional hot-swap hard disk drives, do so now.
6. Turn on the peripheral devices and the server.
Results
Drive IDs:
The drive ID that is assigned to each drive is printed on the front of the server.
The following illustrations show the locations of the IDs of the drives. The ID
numbers and the drive bay numbers are the same.
2.5-inch hot-swap hard disk drive IDs:
The hot-swap-drive ID that is assigned to each drive is printed on the front of the
server.
The following illustration shows the location of the IDs of the hard disk drives.
The ID numbers and the drive bay numbers are the same.
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IBM System x3550 M4 Type 7914: Installation and Service Guide
c. Gently push the drive into the bay until the drive stops.
d. Rotate the tray handle to the closed (locked) position.
e. Check the hard disk drive status LED to verify that the hard disk drive is
operating correctly. If the yellow hard disk drive status LED of a drive is lit
continuously, that drive is faulty and must be replaced. If the green hard
disk drive activity LED is flashing, the drive is being accessed.
Note: If the server is configured for RAID operation using a ServeRAID
adapter, you might have to reconfigure your disk arrays after you install
hard disk drives. See the ServeRAID adapter documentation for additional
information about RAID operation and complete instructions for using the
ServeRAID adapter.