Chapter 8 Upgrade of XSCF Firmware and Maintenance 8-23
8.1.11 If an Error Occurs During XSCF Firmware Update
If the system hangs or any of the messages shown below is output during the
firmware update, the XSCF Unit on the faulty side cannot be used and is treated as a
faulty component.
Try the firmware update again when an error occurs while updating the XSCF
firmware. The second attempt may succeed where the first failed.
â– Case where the XSCF Unit is redundantly configured (on M8000/M9000 servers)
Error involving a failed write or reset operation on the standby or active side
â– Case where there is one XSCF Unit (on M3000/M4000/M5000 servers)
Error involved a failed write or reset operation
8.1.12 Frequently Asked Questions
Q: Is there any problem in executing reboot twice when applying the OpenBoot
PROM firmware?
There is no problem.
Q: In cases with redundant XSCF Units, why are the XSCF Units on the active and
standby sides switched while the update is in progress?
XSCF on the active side has control for updating firmware on the XSCF Unit on
the standby side. When the firmware update of the standby side is completed,
the standby side that has new firmware is switched to the active side. Then, the
firmware on the standby XSCF Unit (formerly the active XSCF Unit) is updated
in turn.
Q: Can the update of the OpenBoot PROM firmware be applied to all domains at one
time?
Yes, it can. By specifying all domains in the poweron(8) command, the new
firmware can be applied simultaneously to all the domains.
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