beautypg.com

Hitachi MK-96RD617-08 User Manual

Page 3

background image

Contents

iii

Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide

Contents

Preface..................................................................................................vii

Overview of Performance Manager ........................................................ 1-1

About Performance Manager Operations ................................................ 2-1

Understanding Statistical Storage Ranges .....................................................2-3

Parity Group Usage Statistics .......................................................................2-4

Volume Usage Statistics ..............................................................................2-5

External Volume Group Usage Statistics........................................................2-5

External Volume Usage Statistics .................................................................2-6

Channel Processor Usage Statistics ..............................................................2-6

Disk Processor Usage Statistics ....................................................................2-6

DRR Processor Usage Statistics....................................................................2-9

Write Pending Rate and Cache Memory Usage Statistics ................................2-9

Access Path Usage Statistics......................................................................2-10

Hard Disk Drive Workload Statistics............................................................2-11

Port Traffic Statistics.................................................................................2-12

LU Paths Traffic Statistics ..........................................................................2-12

Traffic between HBAs and Storage System Ports .........................................2-13

Performance of High-Priority Hosts.............................................................2-13

Upper-Limit Control ..................................................................................2-14

Performance Monitor ................................................................................2-17

Server Priority Manager.............................................................................2-18

Preparing for Performance Manager Operations ...................................... 3-1

Performance Monitor Limitations..................................................................3-3

Export Tool Limitations................................................................................3-5