CX400 M4
Upgrade and Maintenance Manual
19
Before you start
2.2
Average task duration
The average task duration including preliminary and concluding steps is
indicated at the beginning of each procedure next to the procedure class.
Refer to
for an overview of steps taken into account for
calculating the average task duration:
Average task duration: 10 minutes
Step
included
Explanation
Server shutdown
no
Shutdown time depends on hardware and
software configuration and may vary
significantly.
Software tasks necessary before
maintenance are described in section
"Starting the maintenance task" on
page 73
Rack removal,
disassembly
yes
Making the server available, removing the
server from the rack (if applicable)
Transport
no
Transporting the server to the service table
(where required) depends on local
customer conditions.
Maintenance
procedures
yes
Maintenance procedures including
preliminary and concluding software tasks
Transport
no
Returning the server to its installation site
(where required) depends on local
customer conditions.
Assembly,
rack installation
yes
Reassembling the server, installing the
server in the rack (if applicable)
Starting up
no
Booting time depends on hardware and
software configuration and may vary
significantly.
Table 1: Calculation of the average task duration
