3.5-inch Hard disk
drive cage
3.5-inch Hard disk drive
Figure 66. 3.5-inch hard disk drive installation
Step 8.
Check the hard disk drive status indicator to make sure that the hard disk drive is operating
correctly. After you replace a failed hard disk drive, the green activity LED flashes as the disk spins
up. The yellow LED turns off after approximately 1 minute. If the new drive starts to rebuild, the
yellow LED flashes slowly, and the green activity LED remains lit during the rebuild process. If the
yellow LED remains lit, see the “Hard disk drive problems” on page 60 for more information.
Note:
You might have to reconfigure the disk arrays after you install hard disk drives. See the
RAID documentation on the IBM website at http://www.ibm.com/supportportal for information
about RAID adapters.
After you install the hard disk drive backplate, complete the following steps:
1. Install the cover onto the compute node (see “Installing the compute node cover” on page 107 for
instructions).
2. Install the compute node into the chassis (see “Installing a compute node in a chassis” on page 93
for instructions).
Removing a 2.5-inch hard disk drive
Use this information to remove a 2.5-inch hard disk drive.
Attention:
Static electricity that is released to internal server components when the server is powered-on
might cause the server to halt, which might result in the loss of data. To avoid this potential problem,
always use an electrostatic-discharge wrist strap or other grounding system when you work inside the
server with the power on.
To remove a 2.5-inch hard disk drive, complete the following steps.
Step 1.
Read “Safety” on page v and “Installation guidelines” on page 89.
Step 2.
If the compute node is installed in an IBM NeXtScale n1200 Enclosure, remove it (see “Removing
a compute node from a chassis” on page 92 for instructions).
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