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Table 22-1
Types of maintenance for fan backplane
Configuration Active/hot Active/cold Inactive/hot Inactive/cold System stopped
Build in g block confi g u rat io n
Unsupported Unsupported
(*1)
Unsupported Unsupported
(*1)
Supported (*2)
*1: If any physical partition is currently operating, the crossbar box cannot be powered off.
*2: All of the physical partitions must be stopped, and the system must be completely shut down.
Table 22-2
Maintenance flow
Details of update process Replacement
1 Preparation 22.3
2 Removing the fan backplane 22.4
3 Installing the fan backplane 22.5
4 Restoring the system 22.6
Caution -
To completely shut down the system, all the power cords must be
removed. If the power cords are not removed, an electrical failure may occur.
22.2.1 Types of maintenance
Table 22-1 lists the types of maintenance for the fan backplane. For the definition of
maintenance, see "4.3 Understanding Types of Maintenance."
22.2.2 Maintenance flow
Table 22-2 lists the sequence of the maintenance procedure for the fan backplane.
22.3 Enabling the Removal of the Fan
Backplane
This section describes the preparations that must be completed prior to removing the
fan backplane.
1.
Open the r ack d oor.
2.
LogintotheXSCFshell.
3.
Execute the sho w logs command to identify t he component requiring
Chapter 22 Maintaining the Fan Backplane of the Crossbar Box 359