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Hitachi Universal Storage Platform V
Hitachi Universal Storage Platform VM
Hitachi Performance Manager User’s Guide
Performance Monitor and Server Priority Manager
F F L
AST IND INKS
Document Organization
Product Version
Getting Help
Contents
MK-96RD617-08
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Copyright © 2008 Hitachi Data Systems Corporation, ALL RIGHTS RESERVED Notice: No part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying and recording, or stored in a database or retrieval system for any purpose without the express written permission of Hitachi Data Systems Corporation (hereinafter referred to as “Hitachi Data Systems”). Hitachi Data Systems reserves the right to make changes to this d
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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...............................................................
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Using the Performance Manager GUI ..................................................... 4-1 Performance Monitor Window ..................................................................... 4-2 Performance Management Window, Physical Tab ......................................... 4-3 LDEV Tab of the Performance Monitor Window............................................. 4-9 Port-LUN Tab of the Performance Monitor Window ..................................... 4-15 WWN Tab of the Performance Mon
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Setting a Threshold...................................................................................6-16 Monitoring All Traffic between HBAs and Ports............................................6-18 Analyzing Traffic Statistics.........................................................................6-21 Setting Priority for Host Bus Adapters.........................................................6-22 Setting Upper-Limit Values for Non-Prioritized WWNs ..................................6-2
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vi Contents Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide
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Preface This document describes and provides instructions for using the following Performance Manager software for performing operations on the Hitachi Universal Storage Platform V and Hitachi Universal Storage Platform VM (USP V/VM) storage systems. • Performance Monitor • Server Priority Manager (henceforth, referred to as SPM) Please read this document carefully to understand how to use this product, and maintain a copy for reference purposes. This preface includes the following
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Intended Audience This document is intended for system administrators, Hitachi Data Systems representatives, and Authorized Service Providers who are involved in installing, configuring, and operating the Hitachi Universal Storage Platform V and VM storage systems. This document assumes the following: • The user has a background in data processing and understands RAID storage systems and their basic functions. • The user is familiar with the Universal Storage Platform V and/or VM storag
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Revision Date Description MK-96RD617-07 March 26 2008 Revision 7, supersedes and replaces MK-96RD617-06 MK-96RD617-08 May 2008 Revision 8, supersedes and replaces MK-96RD617-07 Source Documents for this Revision • MK-96RD617-08d-RSD-V03 Changes in This Revision • Added notes throughout this document to contact Hitachi Data Systems Support Center for Volume Migration support. • Added notes throughout this document concerning the CU as the monitoring target. • Added new section Causes o
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Referenced Documents Hitachi Universal Storage Platform V/VM: • Hitachi Compatible Mirroring for IBM FlashCopy User’s Guide, MK-96RD614 • Hitachi Copy-on-Write Snapshot User’s Guide, MK-96RD607 • Hitachi Dynamic Provisioning User's Guide, MK-96RD641 • Hitachi LUN Manager User’s Guide, MK-96RD615 ® ® • Hitachi ShadowImage for IBM z/OS User’s Guide, MK-96RD619 • Hitachi ShadowImage User’s Guide, MK-96RD618 • Hitachi Storage Navigator Messages, MK-96RD613 • Hitachi Storage Navigator User’s
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Convention Description | vertical bar Indicates that you have a choice between two or more options or arguments. Examples: [ a | b ] indicates that you can choose a, b, or nothing. { a | b } indicates that you must choose either a or b. underline Indicates the default value. Example: [ a | b ] This document uses the following icons to draw attention to information: Icon Meaning Description Note Calls attention to important and/or additional information. Tip Provides helpful informa
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Getting Help If you need to call the Hitachi Data Systems Support Center, please provide as much information about the problem as possible, including: • The circumstances surrounding the error or failure. • The content of any error message(s) displayed on the host system(s). • The content of any error message(s) displayed on Storage Navigator. • The USP V/VM Storage Navigator configuration information saved on diskette using the FD Dump Tool (see the Storage Navigator User’s Guide). • Th
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1 Overview of Performance Manager The Hitachi Universal Storage Platform V and Hitachi Universal Storage Platform VM (herein after referred to as USP V/VM) includes a suite of performance management software products that allow you to monitor and tune storage system performance. The Performance Manager suite includes the following: Performance Monitor Server Priority Manager Restrictions: The Auto Migration function is not supported in this version. Overview of Performance Mana
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Performance Monitor Performance Monitor lets you obtain usage statistics about physical hard disk drives, volumes, processors or other resources in your storage system. Performance Monitor also lets you obtain statistics about workloads on disk drives and traffic between hosts and the storage system. The Performance Management window displays a line graph that indicates changes in the usage rates, workloads, or traffic. You can view information in the window and analyze trends in disk I/O
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Server Priority Manager Server Priority Manager lets you tune the system to provide high-priority hosts with relatively higher throughput. Server Priority Manager can prevent production servers from suffering lowered performance. For details, see Overview of Server Priority Manager. Figure 1-1 illustrates the performance management solution from Hitachi Data Systems. Performance Monitoring • Base component of performance management • Total performance monitoring Performance Monitor A
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Start Storage Navigator Start Performance Monitor Set and Start Monitoring Options Use Performance Monitor to gather system usage statistics. Turn Monitoring Options (Long Range or Short Range) off Analyze data for low performance, conduct trend analysis, etc. YES Is workload Use Volume Migration balancing required? Is additional YES monitoring required? NO YES Is system tuning required to Use Server Priority Manager prioritized hosts? NO YES Is additional monitoring require
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2 About Performance Manager Operations This chapter gives an overview of performance manager operations. Components Overview of Performance Monitor Overview of Server Priority Manager Overview of Export Tool Interoperability with Other Products About Performance Manager Options 2-1 Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide
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Components To be able to use Performance Manager, you need: • The USP V/VM storage system. • The Performance Manager program products (At minimum, Performance Monitor is required. Server Priority Manager is optional). • A WWW client computer connected to the USP V/VM storage system via LAN. To use Performance Manager, you must use the WWW client computer to log on to the SVP. When you are logged on, the Storage Navigator program, which is a Java™ applet, automatically downloads to the W
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Overview of Performance Monitor Performance Monitor tracks your storage system and lets you obtain statistics about the following: • resources in your storage system • workloads on disk and ports If your system encounters some problem (for example, if server hosts suffer delayed response times), Performance Monitor can help you detect the cause of the problem. Performance Monitor can also display the status of remote copies by TrueCopy, TrueCopy for IBM z/OS, Universal Replicator, and
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Performance Management window can display the statistics within the range of the storing periods above. You can specify a part of the storing period to display the statistics on the lists and graphs of Performance Monitor. All statistics, except some information related to Volume Migration, can be displayed in short range (for the storing period corresponding to the setting for the collecting interval) on Performance Management window. In addition, usage statistics about resources in the s
