32 Upgrade and Maintenance Manual TX120 S3
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 table 2 on page 32 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 79.
Disassembly yes making the server available
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 yes reassembling the server
Starting up no
Booting time depends on hardware and
software configuration and may vary
significantly.
Table 2: Calculation of the average task duration
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