HP Integrity rx8620 Installation Guide, Sixth Edition - HP Integrity rx8620 Se - Page 72

Applying Power to the HP Integrity rx8620 Server, IMPORTANT, INTERVAL ONE

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Installation Cabling and Power Up The server can accomodate a total of six BPSs. N+1 BPS capability describes the server having adequate BPSs plus one additional module installed. If one BPS fails, adequate power will still be supplied to the cell board(s) to keep the server partition(s) operational. Replace the failed BPS promptly to restore N+1 functionality. A minimum of two BPS are required to bring up a single cell board installed in the server. This minimum configuration is not N+1 capable. See Table 2-7 for BPS to cell board N+1 configurations. IMPORTANT The minimum supported N+1 BPS configuration for one cell board must have BPS slots 0, 1, and 3 populated. When selecting a single power source, the power cords are connected into A0 and A1. Table 2-7 BPS to Cell Board Configuration to Maintain N+1 Number of Cell Boards Installed in the Server Number of operational BPS installed to maintain N+1 functionality 1 3 2 4 3 5 4 6 NOTE Label the AC power cords during the installation. One suggestion is to use tie wraps that have the flag molded into the tie wrap. The flag can be labeled using the appropriate two characters to represent the particular AC power input (for example, A0). Another suggestion would be to use color coded plastic bands. Use one color to represent the first pair A0/A1 and another color to represent the second pair B0/B1 (provided a second power source is available at the customer site). Applying Power to the HP Integrity rx8620 Server Initial observations can be made as to the functionality of the server before attaching any LAN or serial cables, the system console, or any peripherals to the server. When an active AC power source is first applied to the server, the following observations can be made at three different intervals or points in time. INTERVAL ONE The power has just been applied to the server but the front panel On/Off switch is Off. The front air intake fans will flash a dim red color, the bulk power supplies will flash amber and an amber light is present on the hard disk drives. INTERVAL TWO After the power has been plugged into the server for about 30 seconds, the standby power turns on and the front intake fan LED indicators turn solid green. The bulk power supplies (BPS) will flash green and the amber light is still present on the hard disk drives. The front panel On/Off switch is Off at this interval. Housekeeping power is up at this point. 72 Chapter 2

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Chapter 2
Installation
Cabling and Power Up
72
The server can accomodate a total of six BPSs. N+1 BPS capability describes the server having adequate
BPSs plus one additional module installed. If one BPS fails, adequate power will still be supplied to the cell
board(s) to keep the server partition(s) operational. Replace the failed BPS promptly to restore N+1
functionality.
A minimum of two BPS are required to bring up a single cell board installed in the server. This minimum
configuration is not N+1 capable. See Table 2-7 for BPS to cell board N+1 configurations.
IMPORTANT
The minimum supported N+1 BPS configuration for one cell board must have BPS slots 0, 1,
and 3 populated. When selecting a single power source, the power cords are connected into A0
and A1.
NOTE
Label the AC power cords during the installation. One suggestion is to use tie wraps that have
the flag molded into the tie wrap. The flag can be labeled using the appropriate two characters
to represent the particular AC power input (for example, A0). Another suggestion would be to
use color coded plastic bands. Use one color to represent the first pair A0/A1 and another color
to represent the second pair B0/B1 (provided a second power source is available at the customer
site).
Applying Power to the HP Integrity rx8620 Server
Initial observations can be made as to the functionality of the server before attaching any LAN or serial
cables, the system console, or any peripherals to the server. When an active AC power source is first applied to
the server, the following observations can be made at three different intervals or points in time.
INTERVAL ONE
The power has just been applied to the server but the front panel
On/Off
switch is
Off
. The front air intake
fans will flash a dim red color, the bulk power supplies will flash amber and an amber light is present on the
hard disk drives.
INTERVAL TWO
After the power has been plugged into the server for about 30 seconds, the standby power turns on and the
front intake fan LED indicators turn solid green. The bulk power supplies (BPS) will flash green and the
amber light is still present on the hard disk drives. The front panel
On/Off
switch is
Off
at this interval.
Housekeeping power is up at this point.
Table 2-7
BPS to Cell Board Configuration to Maintain N+1
Number of Cell
Boards Installed in
the Server
Number of operational BPS
installed to maintain N+1
functionality
1
3
2
4
3
5
4
6