6. Connect the signal cables to the SAS/SATA adapter (see step 9 on page 203).
7. Install the cover (see “Installing the cover” on page 174).
8. Slide the server into the rack.
9. Reconnect the power cord and any cables that you removed.
10. Turn on the peripheral devices and the server.
Removing a hot-swap hard disk drive
Attention:
v To avoid damage to the hard disk drive connectors, make sure that the server
cover is in place and fully closed whenever you install or remove a hard disk
drive.
v To make sure that there is adequate system cooling, do not operate the server
for more than 2 minutes without either a hard disk drive or a filler panel installed
in each bay.
v Before you make changes to disk drives, disk drive controllers (including
controllers that are integrated on the system board), disk drive backplanes, or
disk drive cables, back up all important data that is stored on hard disks.
v Before you remove any component of a RAID array, back up all RAID
configuration information.
To remove a hot-swap hard disk drive, complete the following steps.
1. Read the safety information that begins on page vii and “Installation guidelines”
on page 167.
2. Make sure you save the data on your drive, especially if it is part of a RAID
array, before you remove it from the server.
3. Slide the release latch (orange) gently to the left to unlock the drive handle.
184 IBM System x3550 M3 Types 4254 and 7944: Problem Determination and Service Guide
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