4.2 Shutting down the server
V CAUTION!
For further safety information, please refer to chapter "Important
information" on page 31.
I This step is only required when upgrading or replacing non-hot plug
components.
Ê Inform the system administrator that the server will be shut down and put
offline.
Ê Terminate all applications.
Ê Perform the required procedures described in the preliminary steps of each
upgrade or maintenance task.
Ê "Verifying and configuring the backup software solution" on page 63.
Ê In case of Multipath I/O environments, please refer to section "Note on
server maintenance in a Multipath I/O environment" on page 63.
Ê "Removing backup and optical disk media" on page 62.
Ê Shut down the server.
I If the system is running an ACPI-compliant operating system,
pressing the On / Off button will perform a graceful shutdown.
Ê Switch on the ID indicator on the front and rear connector panels of the
server as described in section "Locating the defective server" on page 43.
4.3 Disconnecting power cords
Removing the server from the mains
I The actions described below have to be performed for each installed
power supply unit.
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