HP StorageWorks XP Performance Advisor Software v4.6 User and Troubleshooting Guide (T1789-96094, June 2010)

C Appendix C
XP Performance Advisor Configuration and Performance data
collection prerequisites for Windows operating system
To overcome device renaming and device remapping issues during data collection, it is recommended
to use the Windows globally unique identifier (\\?\Volume{GUID}) to perform configuration and
performance data collection instead of the using the device file names.
To use the globally unique identifier for data collection process:
After installing the XP Performance Advisor Windows host agent, the host names appear under the
Host Information tab (see Configuring host information on page 39) and the command device file
names appear under the Configuration Collection tab (see Data Collection Configuration on page 37).
1. Login to the XP Performance Advisor host agent and stop the host agent service. For example,
<install directory>:\Program Files\Hewlett-Packard\xppa\hostagent\sbin>xppa stop
Following will be command, if you have installed the host agent in a different location, <In-
stall_directory>:\hostagent\xppa stop
You can also click Start > Run, type services.msc. In the Services dialog box, right-click HP XP
Performance Advisor Hostagent and select Stop from the pop-up list.
You can also stop the HP XP Performance Advisor Realtime Server by following the above men-
tioned steps.
2. In the command line, run the xpinfo -i command, to receive the list of all the command devices,
as shown in Figure 52 on page 345.
Figure 52 XPInfo i command
.
3. Create a Globally Unique ID (GUID) on the command devices you wish to perform data collection.
a. To create the GUID on Windows:
i. Login to the XP Performance Advisor host agent as administrator or as a member of the
Administrators group.
ii. Open the Computer Management console by clicking on Start > Run > compmg-
mt.msc > OK.
iii. Select Disk Management under Storage on the left menu tree.
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