HP ProLiant SL4545 HP ProLiant SL4500 Series Chassis Maintenance and Service G - Page 30

Removal and replacement procedures, Required tools, Preparation procedures, Power down the node

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Page 30 highlights

Removal and replacement procedures Required tools You need the following items for some procedures: • T-10/T-15 Torx screwdriver (provided inside the node) • HP Insight Diagnostics software ("HP Insight Diagnostics" on page 62) Preparation procedures To access some components and perform certain service procedures, you must perform one or more of the following procedures: • Power down the nodes ("Power down the node" on page 30). If you must remove the chassis from a rack or a non-hot-plug component from the chassis or node, then you must power down the nodes. If only one node needs to be serviced, you only need to power down that node. If you are going to service the management module, you must power down all nodes in the chassis. • Remove the chassis from the rack (on page 31). • Remove the nodes from the chassis ("Remove a node from the chassis" on page 32). If the rack environment, cabling configuration, or the chassis location in the rack creates unstable conditions, then remove the node from the chassis. • Disconnect the cable management arm (on page 33). • Remove the access panel (on page 34). • Install the access panel (on page 34). Power down the node Before powering down the node for any upgrade or maintenance procedures, perform a backup of critical server data and programs. IMPORTANT: When the node is in standby mode, auxiliary power is still being provided to the system. To power down the node, use one of the following methods: • Press and release the Power On/Standby button. This method initiates a controlled shutdown of applications and the OS before the node enters standby mode. • Press and hold the Power On/Standby button for more than 4 seconds to force the node to enter standby mode. Removal and replacement procedures 30

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Removal and replacement procedures
30
Removal and replacement procedures
Required tools
You need the following items for some procedures:
•
T-10/T-15 Torx screwdriver (provided inside the node)
•
HP Insight Diagnostics software ("
HP Insight Diagnostics
" on page
62
)
Preparation procedures
To access some components and perform certain service procedures, you must perform one or more of the
following procedures:
•
Power down the nodes ("
Power down the node
" on page
30
).
If you must remove the chassis from a rack or a non-hot-plug component from the chassis or node, then
you must power down the nodes. If only one node needs to be serviced, you only need to power down
that node.
If you are going to service the management module, you must power down all nodes in the chassis.
•
Remove the chassis from the rack (on page
31
).
•
Remove the nodes from the chassis ("
Remove a node from the chassis
" on page
32
).
If the rack environment, cabling configuration, or the chassis location in the rack creates unstable
conditions, then remove the node from the chassis.
•
Disconnect the cable management arm (on page
33
).
•
Remove the access panel (on page
34
).
•
Install the access panel (on page
34
).
Power down the node
Before powering down the node for any upgrade or maintenance procedures, perform a backup of critical
server data and programs.
IMPORTANT:
When the node is in standby mode, auxiliary power is still being provided to the
system.
To power down the node, use one of the following methods:
•
Press and release the Power On/Standby button.
This method initiates a controlled shutdown of applications and the OS before the node enters standby
mode.
•
Press and hold the Power On/Standby button for more than 4 seconds to force the node to enter
standby mode.