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Chapter 7 I/O Unit (IOU) Replacement 7-17
■ Hot replacement:
From the console that is connected to XSCF, execute the poweron -d
command of XSCF to turn on power to the domain.
When the power to the domain is turned on, the power-on self test (POST) is
performed. When ok prompt displayed on the console of relevant domain,
POST is completed.
15. Confirm that the replacement components are normal by using the
showhardconf or showstatus command of XSCF.
Unless "*" is displayed for a replacement IOU, CPU, or DIMM, it is operating
normally.
For details of the showhardconf command and showstatus command, see the
SPARC Enterprise M3000/M4000/M5000/M8000/M9000 Servers XSCF User’s Guide,
the SPARC Enterprise M3000/M4000/M5000/M8000/M9000 Servers XSCF Reference
Manual, or the man page.
Note – The showstatus command displays information on degraded components.
16. Close the door on the server, and lock it.
7.3 Cold Replacement
In cold replacement, none of the replacement work is performed with the
maintenance menu from a terminal connected to XSCF.
The procedure is as follows.
1. Unlock and open a door of the server.
For details, see Chapter 5.
Caution – Before touching IOU or the dummy (filler) unit, see Section 1.4,
“Antistatic Precautions” on page 1-6 and be sure to wear the antistatic wrist strap.
Failure to do so might result in serious damage to operating domains.
2. Change the mode switch setting on the operator panel from Locked to Service.
Note – When the maintenance work is completed, be sure to confirm the mode
switch setting and return the switch to Locked.