HP DL560 HP ProLiant Servers Troubleshooting Guide - Page 79
Firmware maintenance
UPC - 808736876919
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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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