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3.3 Inactive Maintenance


3.3 Inactive Maintenance
The type of maintenance performed with the physical partition stopped --the one to which the FRU requiring maintenance belongs--is referred to as inactive maintenance.
Table 3-2 and Figure 3-3 show FRUs of the crossbar box with inactive maintenance enabled.
Table 3-2  FRUs With Inactive Maintenance (Replacement) Enabled
-: Maintenance cannot be performed.
FRU Inactive/Hot Maintenance Inactive/Cold Maintenance
XSCF unit OK (*1) -
XSCF BB control cable OK (*2) OK (*4)
XSCF DUAL control cable OK -
Crossbar cable - OK (*4)
Power supply unit OK (*3) -
Fan unit OK (*3) -
Dedicated power distribution unit OK (*3) -
*1 Maintenance is performed on the XSCF in the standby state or a slave XSCF. If the XSCF is operating as the master XSCF, switch it to a standby XSCF.
*2 Hot maintenance is enabled only when you perform maintenance work on an XSCF BB control cable connecting crossbar boxes to each other.
*3 This is supported only for a redundant configuration.
*4 To maintain the XSCF BB control cable or crossbar cable that connects the crossbar box to the chassis of the physical partition, the chassis of the connected physical partition must be powered off.
Figure 3-3  Inactive/Hot Maintenance
Figure 3-3  Inactive/Hot Maintenance
Figure 3-4  Inactive/Cold Maintenance
Figure 3-4  Inactive/Cold Maintenance