IBM 8646 Hardware Maintenance Manual - Page 65

System reliability considerations

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The following illustration shows the rear connectors on the hot-swap-drive backplane, as viewed from the rear of the server. SCSI cable connector SCSI power cable connector I2C cable connector The following illustration shows how to install a hot-swap hard disk drive in the server. When you install hot-swap hard disk drives, install them in the following order: bay 7, bay 6, and bay 5. Filler panel Drive tray assembly Drive tray handle (in open position) Attention: v When you handle static-sensitive devices, take precautions to avoid damage from static electricity. For details on handling these devices, see "Handling static-sensitive devices" on page 114. v To maintain proper system cooling, do not operate the server for more than 10 minutes without either a drive or a filler panel installed in each bay. To install a hot-swap hard disk drive in bay 5, 6, or 7, do the following: 1. Review "System reliability considerations" on page 44. 2. Read the information in "Preinstallation steps (all bays)" on page 53. Note: You do not have to turn off the server to install hot-swap hard disk drives in these bays. Installing options 57

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The following illustration shows the rear connectors on the hot-swap-drive
backplane, as viewed from the rear of the server.
SCSI cable
connector
SCSI power
cable connector
I C cable
connector
2
The following illustration shows how to install a hot-swap hard disk drive in the
server. When you install hot-swap hard disk drives, install them in the following
order: bay 7, bay 6, and bay 5.
Filler panel
Drive tray
assembly
Drive tray handle
(in open position)
Attention:
v
When you handle static-sensitive devices, take precautions to avoid damage
from static electricity. For details on handling these devices, see
“
Handling
static-sensitive devices
”
on page 114.
v
To maintain proper system cooling, do not operate the server for more than 10
minutes without either a drive or a filler panel installed in each bay.
To install a hot-swap hard disk drive in bay 5, 6, or 7, do the following:
1.
Review
“
System reliability considerations
”
on page 44.
2.
Read the information in
“
Preinstallation steps (all bays)
”
on page 53.
Note:
You do not have to turn off the server to install hot-swap hard disk
drives in these bays.
Installing options
57