For the installation of Microsoft Windows for SAN boot, the host should only be presented with a single path to the storage where it will be installed - IBM System x and BladeCenter

Source

RETAIN tip: H207009

Symptom

For the installation of Microsoft Windows for Storage Area Network (SAN) boot, there can be unexpected results when the host is presented with multiple paths to the storage on which the Micorsoft Windows operating system will be installed.

Affected configurations

The system is configured with at least one of the following:

• ServerGuide Release 7.2.03, any release
• ServerGuide Release 7.3, any release
• ServerGuide Release 7.4, any release
• ServerGuide Release 7.4.16, any release
• ServerGuide Release 8.41, any release
• ServerGuide Release 9.22, any release, any any

This tip is not system specific.

This tip is not option specific.

Note: This does not imply that the network operating system will work under all combinations of hardware and software.

Please see the compatibility page for more information: http://www.ibm.com/systems/info/x86servers/serverproven/compat/us/

Workaround

Configure only one path to the storage that is used for the installation of Windows operating system and disconnect all other active paths.

Additional information

Refer to section 4.5, Installation of Microsoft Windows 2008 R2 for SAN Boot, of the IBM Redbook document SAN Boot Implementation and Best Practices Guide for IBM System Storage, which is available in the following link:

• http://www.redbooks.ibm.com/abstracts/sg247958.html?Open