HP XP P9000 Performance Advisor Software v5.5 Install Guide (T1789-96339, February 2013)

NOTE: To ensure accurate performance data collection:
• The command device on which the GUID is created must always be mounted.
• When you create a GUID, you must request updated host agent information under the Host
Information tab.
• If you delete a GUID partition and recreate it, you must request the updated host information
under the Host Information tab.
• If GUID creation is successful and the command device is corrupted, the HP XP P9000
Performance Advisor configuration and performance data collection might fail.
Assigning GUIDs for command devices on a Windows host agent 85