HP ML350 HP ProLiant Servers Troubleshooting Guide - Page 79

Firmware maintenance

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Firmware maintenance HP has developed technologies to help ensure that HP servers provide maximum uptime with minimal maintenance. Many of these technologies also reduce server management efforts, enabling administrators to work on issues and resolve problems without taking servers offline. The process of updating system or option firmware is referred to as a flash process or flashing the ROM. A firmware or ROM flash removes the existing version of firmware from the ROM and replaces it with a more recent version. Update the firmware to do the following: • Support new hardware, such as a processor revision • Support new features • Correct problems in a previous firmware version Without the correct firmware version, the server and hardware options may not function properly. Types of ROM Types of ROMs include: • System ROM (on page 79) • Option ROMs (on page 80) System ROM All ProLiant servers have a system ROM. A system reboot is required for a ROM upgrade to take effect. For disaster recovery or ROM downgrade purposes, backups of the most current ROM image are available in either redundant ROM or a ROM backup. ProLiant servers support either the redundant ROM feature or the Disaster Recovery feature. Both assist with the management of system ROM revisions and ensure the proper operation of the platform if a failure occurs during the firmware upgrade process. Redundant ROM support The server enables you to upgrade or configure the ROM safely with redundant ROM support. The server has a 8-MB ROM that acts as two, separate 4-MB ROMs. In the standard implementation, one side of the ROM contains the current ROM program version, while the other side of the ROM contains a backup version. NOTE: The server ships with the same version programmed on each side of the ROM. When you flash the system ROM, ROMPaq writes over the backup ROM and saves the current ROM as a backup, enabling you to switch easily to the alternate ROM version if the new ROM becomes corrupted for any reason. This feature protects the existing ROM version, even if you experience a power failure while flashing the ROM. You can choose which ROM to use in RBSU ("HP ROM-Based Setup Utility" on page 65). Software tools and solutions 79

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Firmware maintenance
help ensure that HP servers provide maximum uptime with minimal
maintenance. Many of these technologies also reduce server management efforts, enabling administrators
The process of updating system or option firmware is referred to as a flash process or
flashing the ROM
.
a
sion
Types of
isaster recovery or ROM downgrade
rp
either redundant ROM or a ROM
ck
eature or the Disaster Recovery feature. Both assist
with
occu
Redundant ROM support
with redundant ROM support. The server
HP has developed technologies to
to work on issues and resolve problems without taking servers offline.
A firmware or ROM flash removes the existing version of firmware from the ROM and replaces it with
more recent version.
Update the firmware to do the following:
•
Support new hardware, such as a processor revision
•
Support new features
•
Correct problems in a previous firmware ver
Without the correct firmware version, the server and hardware options may not function properly.
ROM
Types of ROMs include:
•
System ROM (on page
79
)
•
Option ROMs (on page
80
)
System ROM
All ProLiant servers have a system ROM.
A system reboot is required for a ROM upgrade to take effect. For d
pu
oses, backups of the most current ROM image are available in
ba
up.
ProLiant servers support either the redundant ROM f
the management of system ROM revisions and ensure the proper operation of the platform if a failure
rs during the firmware upgrade process.
The server enables you to upgrade or configure the ROM safely
has a 8-MB ROM that acts as two, separate 4-MB ROMs. In the standard implementation, one side of the
ROM contains the current ROM program version, while the other side of the ROM contains a backup
version.
NOTE:
The server ships with the same version programmed on each side of the ROM.
When you flash the system ROM, ROMPaq writes over the backup ROM and saves the current RO
backup, enabling you to switch easily to the alternate ROM version if the new ROM becomes corrupted
M as a
e
You can choose which ROM to use in RBSU ("
HP ROM-Based Setup Utility
" on page
65
).
for any reason. This feature protects the existing ROM version, even if you experience a power failur
while flashing the ROM.
Software tools and solutions
79