These symbols, on power supplies or systems,
indicate that the equipment is supplied by multiple
sources of power.
WARNING: To reduce the risk of injury from
electric shock, remove all power cords to
disconnect power from the system completely.
Compute module preparation
To service any internal compute module component:
Procedure
1. Power down the compute module.
2. Remove the compute module
Powering down the compute module
Before powering down the compute module for any upgrade or maintenance procedures, perform a backup of
the system and all data. Then, shut down, as appropriate, applications and operating systems. A successful
shutdown is indicated by the system power LED displaying amber.
IMPORTANT: Always attempt a graceful shutdown before forcing a nongraceful shutdown. Application
data can be lost when performing a nongraceful shutdown of applications and the OS.
Before proceeding, verify the following:
• The compute module is in standby mode by observing that the system power LED is amber.
• The UID LED is not flashing blue.
NOTE:
◦ When the compute module is in standby mode, auxiliary power is still being provided to the system.
◦ If the UID LED is flashing blue, a remote session is in progress.
To power down the compute module, use one of the following methods:
• To perform a graceful shutdown of applications and the OS when powering down the compute module to
standby mode, do one of the following:
◦ Press and release the Power On/Standby button.
◦ Select the Momentary press power off selection in HPE OneView.
◦ Select the Momentary press virtual power button selection in HPE iLO.
• If a graceful shutdown fails to power down the compute module to standby mode when an application or
OS stops responding, force a nongraceful shutdown of applications and the OS. Do one of the following:
34 Removal and replacement procedures
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