User guide

Acquiring Performance Information
Device Manager can obtain performance information of a storage subsystem
using the CIM interface. The following storage subsystems are supported:
Universal Storage Platform V/VM, Universal Storage Platform, Network Storage
Platform, AMS, WMS, SMS, and 9500V.
Device Manager acquires the following information for any or all ports (except
for the Thunder 9200, which does not support this feature):
• Total I/O count
• Data traffic
Device Manager acquires the following data for open or mainframe volumes:
• Total I/O count
• Data traffic
• Number of read I/Os (and number of read I/Os that hit the cache)
• Number of write I/Os (and number of write I/Os that hit the cache)
System Configuration Required to Use the Performance Information
Acquisition Feature
Following is a system configuration for collecting performance data of a
storage subsystem.
1-18 Overview and Setup of CIM/WBEM
Hitachi Device Manager SMI-S Provider Installation and User Guide