HP Integrity Superdome 2 8/16 HP Smart Update Manager 5.1 User Guide - Page 68

Downgrade of ProLiant G6 Server ROM from 2010.03.30 or later to 2010.03.01 or earlier using HP SUM is not supported, ProLiant G2, G5, and G6 Servers - After Upgrading to the May 2011 (or Later) Revision of the System ROM, Special Steps Must Be Performed

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To resolve the following issues, use VCSU to upgrade the firmware. • Unhealthy • Non-redundant • Not part of a domain • The user wants to select the order of deployment • The user wants to back-up the configuration before flashing the VC firmware Downgrade of ProLiant G6 Server ROM from 2010.03.30 or later to 2010.03.01 or earlier using HP SUM is not supported When HP SUM is launched, all the available versions of ROM components in the repository are listed under the Updates to be installed section of the Select Items to be Installed screen. If ROM downgrade is attempted from 2010.03.30 or later to 2010.03.01 or earlier using HP SUM for ProLiant G6 servers, the ROM components with unsupported version are automatically removed from the updates to be installed. ROM components do not have the ability to block downgrades. This behavior is by design, and HP recommends that you do not copy the ROM components containing the unsupported versions in the HP SUM repository. ProLiant G2, G5, and G6 Servers - After Upgrading to the May 2011 (or Later) Revision of the System ROM, Special Steps Must Be Performed if it Is Necessary to Downgrade the System ROM to Revisions Earlier Than May 2011 The May 2011 (and later) revisions of the System ROM for the HP ProLiant G2, G5, and G6-series servers listed in the Scope section of the support document include enhancements to the System ROM flash update process. These enhancements improve the reliability and security of System ROM updates by reducing the possibility of unexpected corruption of the flash part. Because these enhancements require modifications to both the System ROM and the flash update utility, the May 2011 (or later) System ROM cannot be downgraded using the flash components available on the HP Support site that are dated earlier than May 2011. However, the System ROM can be downgraded by creating a new flash component using an older System ROM revision. For more information on how to downgrade the System ROM, see the HP Support website at http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp? locale=en_US&objectID=c02838375. 68 Troubleshooting

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To resolve the following issues, use VCSU to upgrade the firmware.
•
Unhealthy
•
Non-redundant
•
Not part of a domain
•
The user wants to select the order of deployment
•
The user wants to back-up the configuration before flashing the VC firmware
Downgrade of ProLiant G6 Server ROM from 2010.03.30 or later to
2010.03.01 or earlier using HP SUM is not supported
When HP SUM is launched, all the available versions of ROM components in the repository are
listed under the Updates to be installed section of the Select Items to be Installed screen.
If ROM downgrade is attempted from 2010.03.30 or later to 2010.03.01 or earlier using HP
SUM for ProLiant G6 servers, the ROM components with unsupported version are automatically
removed from the updates to be installed. ROM components do not have the ability to block
downgrades.
This behavior is by design, and HP recommends that you do not copy the ROM components
containing the unsupported versions in the HP SUM repository.
ProLiant G2, G5, and G6 Servers - After Upgrading to the May 2011 (or
Later) Revision of the System ROM, Special Steps Must Be Performed if it
Is Necessary to Downgrade the System ROM to Revisions Earlier Than
May 2011
The May 2011 (and later) revisions of the System ROM for the HP ProLiant G2, G5, and G6-series
servers listed in the Scope section of the support document include enhancements to the System
ROM flash update process. These enhancements improve the reliability and security of System
ROM updates by reducing the possibility of unexpected corruption of the flash part.
Because these enhancements require modifications to both the System ROM and the flash update
utility, the May 2011 (or later) System ROM cannot be downgraded using the flash components
available on the HP Support site that are dated earlier than May 2011.
However, the System ROM can be downgraded by creating a new flash component using an older
System ROM revision. For more information on how to downgrade the System ROM, see the HP
Support website at
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68
Troubleshooting