HP StorageWorks 2/32 SAN switch 2/32 version 4.0.2b release notes - Page 32

firmwaredownload, then, after the CP is rebooted, you must execute:

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Page 32 highlights

Fabric OS Commands For switches which have flash memory set into two equal partitions, the primary partition is the where the system boots from, the secondary partition is where a copy of the firmware is stored, in case the primary partition is damaged. To maintain the integrity of the firmware image in the flash memory, the firmwaredownload command does update both partitions at once. You must download the new firmware to the secondary partition of a CP. When firmwareDownload completes successfully and the CP is rebooted, the system switches the primary partition (with the old firmware) to the secondary, and the secondary partition (with the new firmware) to the primary. Note: Do not load the firmware into the primary (active) partition. The firmware MUST be loaded into the secondary partition and then the switch rebooted. The default behavior of the firmwaredownload command automatically runs the firmwarecommit command after the reboot. For the cautious, the firmwaredownload command has an option to disable auto-commit of the new firmware. If you decide to disable the auto-commit option when running firmwaredownload, then, after the CP is rebooted, you must execute: the firmwarecommit command to copy the primary partition (with new firmware) to the secondary, and commit the new firmware to both partitions of the CP. Or, the firmwarerestore command to copy the secondary partition (with the old firmware) to the primary, and back out of the new firmware download. The following example shows how to commit a new version of the firmware: 32 SAN switch 2/32 Version 4.0.2b Release Notes

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Fabric OS Commands
32
SAN switch 2/32 Version 4.0.2b Release Notes
For switches which have flash memory set into two equal partitions, the primary
partition is the where the system boots from, the secondary partition is where a
copy of the firmware is stored, in case the primary partition is damaged. To
maintain the integrity of the firmware image in the flash memory, the
firmwaredownload command does update both partitions at once. You must
download the new firmware to the secondary partition of a CP. When
firmwareDownload
completes successfully and the CP is rebooted, the
system switches the primary partition (with the old firmware) to the secondary,
and the secondary partition (with the new firmware) to the primary.
Note:
Do not load the firmware into the primary (active) partition. The firmware MUST
be loaded into the secondary partition and then the switch rebooted.
The default behavior of the firmwaredownload command automatically runs the
firmwarecommit command after the reboot. For the cautious, the
firmwaredownload command has an option to disable auto-commit of the new
firmware. If you decide to disable the auto-commit option when running
firmwaredownload, then, after the CP is rebooted, you must execute: the
firmwarecommit command to copy the primary partition (with new firmware) to
the secondary, and commit the new firmware to both partitions of the CP. Or, the
firmwarerestore command to copy the secondary partition (with the old firmware)
to the primary, and back out of the new firmware download.
The following example shows how to commit a new version of the firmware: