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Hot-Pluggable FRUs
Note: You do not have to power down the system to remove a hot-pluggable FRU from
The following FRUs are hot-pluggable:
v Some PCI adapters
v Disk drives in bays DB1 and DB2
v Fans at the front of the system
v Power supplies if the system has three power supplies and only one needs to be
removed
Hot-Pluggable Options
Note: You do not have to stop the system to install a hot-pluggable option.
The following options are hot-pluggable:
v Some PCI adapters (see the PCI Adapter Placement Reference, order number
SA38-0538)
v Hot-pluggable disk drives, also known as hot-swap disk drives.
Stopping the System Unit
Attention:
applications first and then shut down the operating system. The system power turns off
and the system goes into standby mode when the operating system is shut down.
Before removing power from the system unit, ensure that the shutdown process is
complete. Failure to do so can result in the loss of data. Some option-installation
procedures do not require the system to be stopped for installation. The
option-installation procedures in this section will direct you here if stopping the system
is required.
1. Log in to the system as root user.
2. Stop any applications that are running on the system.
3. At a command line, type shutdown to stop the operating system.
4. After you shut down the operating system, set the power switches of any attached
devices to Off.
5. The shutdown procedure stops the operating system, removes power from parts of
the system, and puts the system into standby mode.
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Service Guide
the system.
When shutting down your system to install options, shut down all
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