8-6
SPARC Enterprise Mx000 Servers XSCF User’s Guide • August 2009
2. Update
Writing the XSCF and OpenBoot PROM firmware programs that were imported
in step 1 to flash memory in this system is called "update." Performing the
download writes the XSCF firmware to the flash memory of the XSCF Unit, resets
the XSCF, applies the XSCF firmware, and completes the firmware update. The
OpenBoot PROM firmware is written to the flash memory on the system board.
The OpenBoot PROM firmware is applied during a reboot.
Caution –
IMPORTANT
– Even if this system is divided into domains, the update
is performed to newly write the OpenBoot PROM firmware to the flash memory on
the XSB of every domain. However, unlike the XSCF firmware, just the download of
this firmware does not update the OpenBoot PROM firmware that is running. To
complete updating the OpenBoot PROM firmware in the target domain, the domain
must be rebooted.
3. Application
Making the firmware written to flash memory in this system actually usable is
called "application."
Note –
The number of domains that can be updated (application) is one or more. To
apply the OpenBoot PROM firmware in the target domain, be sure to reboot the
domain for firmware application.
8.1.6
Features of XSCF Firmware Update
The firmware update that is managed by XSCF has the following features:
■
New firmware for a domain can be updated without stopping the domain. To
update the OpenBoot PROM firmware, however, the target domain must be
rebooted so that the firmware can be applied.
■
When a component is replaced, the firmware is automatically updated. However,
when a component is replaced in the state of input power off (The cold
replacement), the firmware is not updated automatically.
■
Even in a system consisting of multiple domains, firmware in a domain can be
updated to the latest firmware without affecting the other domains.
■
Even if an error occurs during the update operation, the firmware generation
management mechanism (which retains spare firmware) can prevent firmware
data destruction.
Содержание Sun SPARC Enterprise M3000
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