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Table 17-1
Type of maintenance for XSCF unit
Configuration Active/hot Active/cold Inactive/hot Inactive/cold System stopped
Build in g block confi g u rat io n
Supported (*1) Unsupported
(*2)
Supported Unsupported
(*2)
Supported (*3)
*1: The XSCF must be configured as a slave before maintenance is started. If the XSCF is operating as the master XSCF, switch it to a
standby XSCF.
*2: If any physical partition is currently operating, the crossbar box cannot be powered off.
*3: All the physical partitions must be powered off, and the system must be completely shut down.
Table 17-2
Maintenance flow
Details of update process Replacement
1 Preparation 17.3
2 RemovinganXSCFunit 17.4
3 Installing an XSCF unit 17.5
4 Restoring the system 17.6
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.
17.2.2 Maintenance flow
Table 17-2 lists the sequence of the maintenance procedure for the XSCF unit.
17.3 Enabling the Removal of the XSCF
Unit
This section describes the preparations that must be completed prior to removing an
XSCF unit. The preparation procedure differs depending on the maintenance type as
follows:
■
Active/Hot maintenance
■
Inactive/Hot maintenance
■
System-stopped maintenance
Chapter 17 Maintaining the XSCF Unit of the Crossbar Box 309