Fujitsu M10-4 Service Manual page 319

15.6.2 Inactive/Cold maintenance
Note - Inactive/cold maintenance can be performed only for a building block configuration.
The inactive/cold maintenance procedure for a single-chassis configuration is the same as
that for stopping the system.
1.
Connect all the power cords to the PSU backplane unit of the chassis
requiring maintenance.
For details, see
Note - In the case of a dual power feed, connect the power cords in their original positions by
referring to the record that you made before the start of maintenance.
2.
Return to the operation of the XSCF firmware replacefru command to confirm
that the chassis has been incorporated into the system.
For details, see
the
3.
Execute the diagxbu command to diagnose the crossbar cables.
Diagnosis is performed when the system board of the chassis connected with the
crossbar cables is not incorporated into the physical partition, or when the
physical partition into which the chassis is incorporated is powered off.
The example below specifies the following:
00: BB-ID of the chassis to start the diagnosis
01: BB-ID of the destination where the chassis to start the diagnosis is connected
(You can specify one or more of these.)
To specify multiple connection destination BB-IDs, enter a command like
"diagxbu -y -b 00 -t 01 -t 02".
XSCF> diagxbu -y -b 00 -t 01
4.
Execute the showlogs command to confirm that the system is operating
normally.
XSCF> showlogs error
For details, see
5.
Power on the physical partition requiring maintenance.
For details, see
6.
Close the rack door.
"6.5.1 Installing the power
"6.1.1 Incorporating an FRU of the SPARC M10-4/M10-4S into
system."
"3.3.5 Checking log
"6.3 Powering On the Physical Partition Requiring
cord."
information."
Chapter 15 Maintaining the Operation Panel
Maintenance."
295