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Figure 4-1
Active/hot maintenance (for SPARC M10-4S maintenance)
Figure 4-2
Active/hot maintenance (for crossbar box maintenance)
■
Active/cold maintenance
Maintenance work is performed while the physical partition to which the
maintenance-target FRU belongs remains turned on but the input power to the
chassis in which the target FRU is mounted is off (power cord is disconnected). It
is necessary to use dynamic reconfiguration (DR) to disconnect a chassis requiring
maintenance from the physical partition. For a single-chassis configuration, since
the chassis cannot be disconnected with DR, active/cold maintenance cannot be
performed.
Chapter 4 Preparing for Maintenance 45