HP StorageWorks XP Command View Advanced Edition software Device Manager server installation and configuration guide (web version) (T1780-96078, March 2008)

Appendix A Overview of CIM/WBEM
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A-6 The performance information acquisition
feature
Device Manager can acquire performance information of a storage subsystem by using the CIM
interface. The performance information that Device Manager can acquire is shown below.
Device Manager acquires the following information for any or all ports:
• Total I/O count
• Data traffic
Device Manager acquires the following information for open or mainframe volumes:
• Total I/O count
• Data traffic
• Number of read I/Os
• Number of read I/Os that hit the cache
• Number of write I/Os
• Number of write I/Os that hit the cache
This section describes the system configuration that is required to use the performance information
acquisition feature, and how to specify settings for acquiring performance information.
A-6-1 System configuration required to use the performance
information acquisition feature
This subsection describes the system configuration that is required to acquire performance
information of a storage subsystem.
Figure A-2 shows the system configuration when performance
information of a storage subsystem is collected.