Lenovo ThinkServer RD240 Software User's Manual

ThinkServer RD230, RD240, and TD230

MegaRAID SAS Software User Guide

ThinkServer RD230, RD240, and TD230

MegaRAID SAS Software User Guide

First Edition (June 2010)

LENOVO products, data, computer software, and services have been developed exclusively at private expense and

are sold to governmental entities as commercial items as defined by 48 C.F.R. 2.101 with limited and restricted

rights to use, reproduction and disclosure.

LIMITED AND RESTRICTED RIGHTS NOTICE: If products, data, computer software, or services are delivered

pursuant a General Services Administration ″GSA″ contract, use, reproduction, or disclosure is subject to restrictions

set forth in Contract No. GS-35F-05925.

Note

Before using this information and the product it supports, be sure to read and understand the following:

v The Important Notices that comes with your product

v The Safety Information and the Warranty and Support Information on the ThinkServer Documentation DVD that comes with

your product

v Appendix C, “Notices.”

Preface 1

Preface

This document e

xplains how to use the MegaRAID Storage Manager™

software, WebBIOS, and Command Line Interface (CLI) utilities to

configure, monitor, and maintain MegaRAID

®

Serial-attached SCSI

(SAS)

RAID controllers and the storage-related devices connected to

them.

Audience

This document assumes that you

are familiar with SAS controllers and

configuration utilities. The people who benefit from this book are network

administrators who need to create storage configurations on 7KLQN6HU

YHUSAS controllers.

Organization

This do

cument has the following chapters and appendixes:

•

Chapter 1, “Overv

iew,” describes the SAS, Serial ATA (SATA) II, and

Solid State Disk (SSD) technologies, configuration scenarios, and

Technical Support information.

•

Chapter 2,

“Introduction to RAID,” describes RAID (Redundant Array

of Independent Disks), RAID functions and benefits, RAID

components, RAID levels, and configuration strategies. In addition, it

defines the RAID availability concept, and offers tips for configuration

planning.

•

Chapter 3, “Full Disk Encry

ption,” describes the Full Disk Encryption

(FDE) features, terminology, and workflow.

•

Chapter 4, “WebBIOS Configuration Utility

,” explains how to use the

pre-boot WebBIOS Configuration Utility to create and manage

storage configurations.

Preface 2

•

Chapter 5, “M

egaRAID Command Tool,” explains how to use the

MegaRAID Command Tool to create and manage storage

configurations. The MegaRAID Command Tool is a CLI application

for SAS.

•

Chapter 6, “Me

gaRAID Storage Manager Overview and Installation,”

introduces the main features of MegaRAID Storage Manager

software and explains how to install it.

•

Chapter 7, “M

egaRAID Storage Manager Window and Menus,”

describes the layout of the MegaRAID Storage Manager window and

lists the available menu options.

•

Chapter 8, “Con

figuration,” describes how to use the MegaRAID

Storage Manager software to configure or reconfigure storage

devices, how to save configurations, and how to apply saved

configurations to a controller.

•

Chapter 9, “M

onitoring System Events and Storage Devices,”

explains how the MegaRAID Storage Manager software monitors the

status of storage configurations and devices and displays information

about them.

•

Chapter 10, “Maint

aining and Managing Storage Configurations,”

describes the MegaRAID Storage Manager maintenance functions

for virtual drives and other storage devices.

•

Appendix A, “Eve

nts and Messages,” provides descriptions of the

MegaRAID Storage Manager events.

•

Appendix B, “G

lossary,” contains definitions of storage-related terms.

Con

ventions

Note:

Notes contain supplementary information that can have an

effect on system performance.

Caution:

Cautions are notifications that an action has the potential to

adversely affect equipment operation, system performance,

or data integrity.

•

Appendix C “Notices,” contains Notices information.

MegaRAID SAS Software User Guide

Contents

Chapter 1

Overview

1.1 SAS T

echnology 1-1

1.2 Serial-attached SCSI Device Interface 1-3

1.3 Serial ATA II Features 1-3

1.4 Solid State Drive Features 1-4

1.4.1 Solid State Drive Guard 1-4

1.5 Dimmer Switch Feature 1-5

1.6 UEFI 2.0 Support 1-5

1.7 Configuration Scenarios 1-6

1.7.1 Valid Drive Mix Configurations with HDDs and

SSDs 1-8

Chapter 2

Introduction to RAID

2.1 RAID Description 2-1

2.2 RAID Benefits 2-1

2.3 RAID Functions 2-1

2.4 Components and Features 2-2

2.4.1 Physical Array 2-2

2.4.2 Virtual Drive 2-2

2.4.3 RAID Drive Group 2-3

2.4.4 Fault Tolerance 2-3

2.4.5 Consistency Check 2-5

2.4.6 Copyback 2-5

2.4.7 Background Initialization 2-6

2.4.8 Patrol Read 2-7

2.4.9 Disk Striping 2-7

Contents

2.4.10 Disk M

irroring 2-8

2.4.11 Parity 2-9

2.4.12 Disk Spanning 2-10

2.4.13 Hot Spares 2-11

2.4.14 Disk Rebuilds 2-13

2.4.15 Rebuild Rate 2-14

2.4.16 Hot Swap 2-14

2.4.17 Drive States 2-15

2.4.18 Virtual Drive States 2-15

2.4.19 Enclosure Management 2-16

2.5 RAID Levels 2-16

2.5.1 Summary of RAID Levels 2-16

2.5.2 Selecting a RAID Level 2-18

2.5.3 RAID 0 2-18

2.5.4 RAID 1 2-19

2.5.5 RAID 5 2-20

2.5.6 RAID 6 2-21

2.5.7 RAID 00 2-22

2.5.8 RAID 10 2-24

2.5.9 RAID 50 2-25

2.5.10 RAID 60 2-26

2.6 RAID Configuration Strategies 2-28

2.6.1 Maximizing Fault Tolerance 2-28

2.6.2 Maximizing Performance 2-30

2.6.3 Maximizing Storage Capacity 2-32

2.7 RAID Availability 2-33

2.7.1 RAID Availability Concept 2-33

2.8 Configuration Planning 2-34

2.8.1 Number of Drives 2-34

2.8.2 Drive Group Purpose 2-35

Chapter 3

Full Disk En

cryption

3.1 Overview 3-1

3.2 Purpose 3-2

3.3 Terminology 3-2

3.4 Workflow 3-3

Contents

3.4.1 En

able Security 3-3

3.4.2 Change Security 3-4

3.4.3 Create Secure Virtual Drives 3-5

3.4.4 Import a Foreign Configuration 3-6

3.5 Instant Secure Erase 3-7

Chapter 4

WebBIOS Config

uration Utility

4.1 Overview 4-1

4.2 Starting the WebBIOS CU 4-2

4.3 WebBIOS CU Main Screen Options 4-3

4.4 Creating a Storage Configuration 4-5

4.4.1 Selecting the Configuration with the Configuration

Wizard 4-6

4.4.2 Using Automatic Configuration 4-8

4.4.3 Using Manual Configuration 4-9

4.5 Selecting Full Disk Encryption Security Options 4-58

4.5.1 Enabling the Security Key Identifier, Security Key,

and Passphrase 4-59

4.5.2 Changing the Security Key Identifier, Security Key,

and Pass Phrase 4-64

4.5.3 Disabling the Drive Security Settings 4-71

4.5.4 Importing Foreign Configurations 4-73

4.6 Viewing and Changing Device Properties 4-74

4.6.1 Viewing and Changing Controller Properties 4-74

4.6.2 Viewing and Changing Virtual Drive Properties 4-78

4.6.3 Viewing Drive Properties 4-80

4.6.4 Viewing and Changing Battery Backup Unit

Information 4-82

4.7 Viewing System Event Information 4-85

4.8 Managing Configurations 4-87

4.8.1 Running a Consistency Check 4-87

4.8.2 Deleting a Virtual Drive 4-88

4.8.3 Importing or Clearing a Foreign Configuration 4-88

4.8.4 Migrating the RAID Level of a Virtual Drive 4-92

Contents

Chapter 5

MegaRAID Command T

ool

5.1 Product Overview 5-2

5.2 Novell NetWare, SCO, Solaris, FreeBSD, and DOS

Operating System Support 5-4

5.3 Command Line Abbreviations and Conventions 5-4

5.3.1 Abbreviations Used in the Command Line 5-4

5.3.2 Conventions 5-5

5.4 Controller Property-Related Options 5-6

5.4.1 Display Controller Properties 5-6

5.4.2 Display Number of Controllers Supported 5-7

5.4.3 Enable or Disable Automatic Rebuild 5-7

5.4.4 Flush Controller Cache 5-7

5.4.5 Set Controller Properties 5-8

5.4.6 Display Specified Controller Properties 5-9

5.4.7 Set Factory Defaults 5-10

5.4.8 Set SAS Address 5-10

5.4.9 Set Time and Date on Controller 5-10

5.4.10 Display Time and Date on Controller 5-11

5.5 Patrol Read-Related Controller Properties 5-11

5.5.1 Set Patrol Read Options 5-11

5.5.2 Set Patrol Read Delay Interval 5-12

5.6 BIOS-Related Properties 5-12

5.6.1 Set or Display Bootable Virtual Drive ID 5-13

5.6.2 Select BIOS Status Options 5-13

5.7 Battery Backup Unit-Related Properties 5-13

5.7.1 Display BBU Information 5-14

5.7.2 Display BBU Status Information 5-14

5.7.3 Display BBU Capacity 5-15

5.7.4 Display BBU Design Parameters 5-16

5.7.5 Display Current BBU Properties 5-16

5.7.6 Start BBU Learning Cycle 5-17

5.7.7 Place Battery in Low-Power Storage Mode 5-17

5.7.8 Set BBU Properties 5-17

5.8 Options for Displaying Logs Kept at Firmware Level 5-18

5.8.1 Event Log Management 5-18

5.8.2 Set BBU Terminal Logging 5-19

Contents

5.9 Con

figuration-Related Options 5-19

5.9.1 Create a RAID Drive Group from All Unconfigured

Good Drives 5-20

5.9.2 Add RAID 0, 1, 5, or 6 Configuration 5-21

5.9.3 Add RAID 10, 50, or 60 Configuration 5-23

5.9.4 Clear the Existing Configuration 5-23

5.9.5 Save the Configuration on the Controller 5-24

5.9.6 Restore the Configuration Data from File 5-24

5.9.7 Manage Foreign Configuration Information 5-24

5.9.8 Delete Specified Virtual Drive(s) 5-25

5.9.9 Display the Free Space 5-25

5.10 Virtual Drive-Related Options 5-26

5.10.1 Display Virtual Drive Information 5-26

5.10.2 Change the Virtual Drive Cache and Access

Parameters 5-26

5.10.3 Display the Virtual Drive Cache and Access

Parameters 5-27

5.10.4 Manage Virtual Drives Initialization 5-27

5.10.5 Manage a Consistency Check 5-28

5.10.6 Manage a Background Initialization 5-28

5.10.7 Perform a Virtual Drive Reconstruction 5-29

5.10.8 Display Information about Virtual Drives and

Drives 5-29

5.10.9 Display the Number of Virtual Drives 5-29

5.11 Drive-Related Options 5-30

5.11.1 Display Drive Information 5-30

5.11.2 Set the Drive State to Online 5-30

5.11.3 Set the Drive State to Offline 5-30

5.11.4 Change the Drive State to Unconfigured Good 5-31

5.11.5 Change Drive State 5-31

5.11.6 Manage a Drive Initialization 5-32

5.11.7 Rebuild a Drive 5-32

5.11.8 Locate the Drive(s) and Activate LED 5-33

5.11.9 Mark the Configured Drive as Missing 5-33

5.11.10 Display the Drives in Missing Status 5-33

5.11.11 Replace the Configured Drives and Start an

Automatic Rebuild 5-33

5.11.12 Prepare the Unconfigured Drive for Removal 5-34

Contents

5.11.13 Disp

lay Total Number of Drives 5-34

5.11.14 Display List of Physical Devices 5-34

5.11.15 Download Firmware to the Physical Devices 5-35

5.12 Enclosure-Related Options 5-35

5.13 Flashing the Firmware 5-35

5.13.1 Flash the Firmware with the ROM File 5-36

5.13.2 Flash the Firmware in Mode 0 with the ROM File 5-36

5.14 SAS Topology 5-36

5.15 Diagnostic-Related Options 5-37

5.15.1 Start Controller Diagnostics 5-37

5.15.2 Start Battery Test 5-37

5.15.3 Start NVRAM Diagnostic 5-38

5.16 Miscellaneous Options 5-38

5.16.1 Display the MegaCLI Version 5-38

5.16.2 Display Help for MegaCLI 5-38

Chapter 6

MegaRAID Storag

e Manager Overview and Installation

6.1 Overview 6-1

6.1.1 Creating Storage Configurations 6-1

6.1.2 Monitoring Storage Devices 6-2

6.1.3 Maintaining Storage Configurations 6-2

6.2 Hardware and Software Requirements 6-2

6.3 Installing MegaRAID Storage Manager 6-3

6.3.1 Installing MegaRAID Storage Manager Software on

Microsoft Windows 6-3

6.3.2 Installing MegaRAID Storage Manager Software for

Linux 6-8

6.3.3 Linux Error Messages 6-9

6.4 MegaRAID Storage Manager Support and Installation on

VMWare 6-10

6.4.1 Installing MegaRAID Storage Manager for

VMWare Classic 6-10

6.4.2 Uninstalling MegaRAID Storage Manager for

VMWare 6-11

6.4.3 Installing MegaRAID Storage Manager Support

on the VMWare ESX Operating System 6-11

6.5 Installing and Configuring a CIM Provider 6-23

Contents

6.5.1 Installing a CIM SAS Stor

age Provider on Linux 6-23

6.5.2 Installing a CIM SAS Storage Provider on

Windows 6-25

6.6 Installing and Configuring an SNMP Agent 6-25

6.6.1 Installing and Configuring an SNMP Agent on

Linux 6-26

6.6.2 Installing and Configuring an SNMP Agent on

Solaris 6-28

6.6.3 Installing an SNMP Agent on Windows 6-32

6.7 MegaRAID Storage Manager Support and Installation on

Solaris 10 6-33

6.7.1 Installing MegaRAID Storage Manager Software

for Solaris 10 6-33

6.7.2 Uninstalling MegaRAID Storage Manager Software

for Solaris 10 6-34

Chapter 7

MegaRAID Storag

e Manager Window and Menus

7.1 Starting MegaRAID Storage Manager Software 7-1

7.2 MegaRAID Storage Manager Window 7-4

7.2.1 Physical/Logical View Panel 7-5

7.2.2 Properties/Operations Panels 7-6

7.2.3 Event Log Panel 7-7

7.2.4 Menu Bar 7-8

Chapter 8

Configuration

8.

1 Creating a New Storage Configuration 8-2

8.1.1 Selecting Virtual Drive Settings 8-2

8.1.2 Creating a Virtual Drive Using Simple Configuration 8-4

8.1.3 Creating a Virtual Drive Using Advanced

Configuration 8-9

8.2 Selecting Full Disk Encryption Security Options 8-18

8.2.1 Enabling Drive Security 8-18

8.2.2 Changing the Security Key Identifier, Security Key,

and Pass Phrase 8-24

8.2.3 Disabling Drive Security 8-30

8.2.4 Importing or Clearing a Foreign Configuration 8-32

Contents

8.3 Add

ing Hot Spare Drives 8-35

8.4 Changing Adjustable Task Rates 8-37

8.5 Changing Power Settings 8-39

8.6 Changing Virtual Drive Properties 8-40

8.7 Changing a Virtual Drive Configuration 8-41

8.7.1 Accessing the Modify Drive Group Wizard 8-41

8.7.2 Adding a Drive or Drives to a Configuration 8-43

8.7.3 Removing a Drive from a Configuration 8-44

8.7.4 Changing the RAID Level of a Virtual Drive 8-45

8.8 Deleting a Virtual Drive 8-45

8.9 Saving a Storage Configuration to Drive 8-46

8.10 Clearing a Storage Configuration from a Controller 8-46

8.11 Adding a Saved Storage Configuration 8-47

Chapter 9

Monitori

ng System Events and Storage Devices

9.1 Monitoring System Events 9-1

9.2 Configuring Alert Notifications 9-3

9.2.1 Setting Alert Delivery Methods 9-5

9.2.2 Changing Alert Delivery Methods for Individual

Events 9-6

9.2.3 Changing the Severity Level for Individual Events 9-7

9.2.4 Entering or Editing the Sender Email Address and

SMTP Server 9-9

9.2.5 Authenticating a Server 9-10

9.2.6 Saving Backup Configurations 9-10

9.2.7 Loading Backup Configurations 9-10

9.2.8 Adding Email Addresses of Recipients of Alert

Notifications 9-11

9.2.9 Testing Email Addresses of Recipients of Alert

Notifications 9-12

9.2.10 Removing Email Addresses of Recipients of Alert

Notifications 9-13

9.3 Monitoring Controllers 9-13

9.4 Monitoring Drives 9-15

9.5 Running a Patrol Read 9-16

9.6 Monitoring Virtual Drives 9-19

9.7 Monitoring Enclosures 9-21

Contents

9.8 Monitoring Battery Backup

Units 9-22

9.8.1 Battery Learn Cycle 9-24

9.9 Monitoring Rebuilds and Other Processes 9-26

Chapter 10

Maintaining

and Managing Storage Configurations

10.1 Initializing a Virtual Drive 10-1

10.2 Running a Consistency Check 10-2

10.3 Scanning for New Drives 10-3

10.4 Rebuilding a Drive 10-3

10.5 Making a Drive Offline or Missing 10-4

10.6 Upgrading the Firmware 10-5

Appendix A

Events and M

essages

Appendix B

Glossar

y

Appendix C

Notices

Contents

Figures

1-7

2.1

Example of Disk Striping (RAID 0) 2-8

2.2 Example of Disk Mirroring (RAID 1) 2-9

2.3 Example of Distributed Parity (RAID 5) 2-10

2.4 Example of Disk Spanning 2-10

2.5 RAID 0 Drive Group Example with Two Drives 2-19

2.6 RAID 1 Drive Group 2-20

2.7 RAID 5 Drive Group with Six Drives 2-21

2.8 Example of Distributed Parity across Two Blocks in a

Stripe (RAID 6) 2-22

2.9 RAID 00 Drive Group Example with Two Drives 2-23

2.10 RAID 10 Level Virtual Drive 2-25

2.11 RAID 50 Level Virtual Drive 2-26

2.12 RAID 60 Level Virtual Drive 2-28

4.1 WebBIOS CU Main Screen 4-3

4.2 WebBIOS Configuration Wizard Screen 4-6

4.3 WebBIOS Configuration Method Screen 4-7

4.4 WebBIOS Disk Group Definition Screen 4-10

4.5 WebBIOS Virtual Drive Definition Screen 4-11

4.6 RAID 0 Configuration Preview 4-14

4.7 WebBIOS Disk Group Definition Screen 4-15

4.8 WebBIOS Virtual Drive Definition Screen 4-16

4.9 RAID 1 Configuration Preview 4-19

4.10 WebBIOS Disk Group Definition Screen 4-20

4.11 WebBIOS Virtual Drive Definition Screen 4-21

4.12 RAID 5 Configuration Preview 4-24

4.13 WebBIOS Disk Group Definition Screen 4-26

4.14 WebBIOS Virtual Drive Definition Screen 4-27

4.15 RAID 6 Configuration Preview 4-30

4.16 WebBIOS Disk Group Definition Screen 4-32

4.17 WebBIOS Span Definition Screen 4-33

4.18 WebBIOS Virtual Drive Definition Screen 4-34

4.19 RAID 00 Configuration Preview 4-37

4.20 WebBIOS Drive Group Definition Screen

1-71.1 Example of a ThinkServer SAS Di rect-Connect Application

1.2 Example of a ThinkServerI SAS RAID Controller Configured

with a ThinkServer SASx12 Expander

Contents

4.21 WebBI

OS Span Definition Screen 4-40

4.22 WebBIOS Virtual Drive Definition Screen 4-41

4.23 RAID 10 Configuration Preview 4-44

4.24 WebBIOS Disk Group Definition Screen 4-46

4.25 WebBIOS Span Definition Screen 4-47

4.26 WebBIOS Virtual Drive Definition Screen 4-48

4.27 RAID 50 Configuration Preview 4-51

4.28 WebBIOS Disk Group Definition Screen 4-53

4.29 WebBIOS Span Definition Screen 4-54

4.30 WebBIOS Virtual Drive Definition Screen 4-55

4.31 RAID 60 Configuration Preview 4-58

4.32 Encryption Settings Screen 4-59

4.33 Enable Drive Security - Introduction Screen 4-60

4.34 Enable Drive Security – Enter Security Key ID Screen 4-61

4.35 Enable Drive Security – Enter Security Key 4-62

4.36 Enable Drive Security – Enter Pass Phrase 4-63

4.37 Confirm Enable Drive Security Screen 4-64

4.38 Encryption Settings Screen 4-65

4.39 Change Security Settings – Introduction 4-66

4.40 Change Security Settings – Security Key ID 4-67

4.41 Change Security Settings – Security Key 4-68

4.42 Authenticate Drive Security Key 4-69

4.43 Change Security Settings – Pass Phrase 4-70

4.44 Confirm Change Drive Security Settings 4-71

4.45 Encryption Settings 4-72

4.46 Confirm Disable Drive Security Settings 4-73

4.47 First Controller Properties Screen 4-74

4.48 Second Controller Properties Screen 4-75

4.49 Third Controller Properties Screen 4-76

4.50 Virtual Drive Screen 4-79

4.51 Physical Drive Screen 4-81

4.52 First Controller Properties Screen 4-83

4.53 Second Controller Properties Screen 4-83

4.54 Battery Module Screen 4-84

4.55 Event Information Screen 4-86

4.56 Foreign Configuration Import Screen 4-89

4.57 Foreign Configuration Preview Screen 4-90

6.1 Customer Information Screen 6-4

Contents

6.2 Set

up Type Screen 6-5

6.3 Setup Type Screen 6-6

6.4 Custom Setup Screen 6-7

6.5 Server Screen 6-8

6.6 Host ESXi Server Name 6-14

6.7 Login on the Host Server 6-15

6.8 Physical View 6-16

6.9 Logical View 6-17

7.1 Select Server Window 7-2

7.2 Server Login Window 7-3

7.3 Main MegaRAID Storage Manager Window 7-4

7.4 Operations Tab 7-7

8.1 Virtual Drive Creation Menu 8-5

8.2 Virtual Drive Creation Mode 8-6

8.3 Create Virtual Drive Screen 8-7

8.4 Create Virtual Drive - Summary Window 8-8

8.5 Virtual Drive Creation Menu 8-10

8.6 Virtual Drive Creation Mode 8-11

8.7 Create Drive Group Settings Screen 8-12

8.8 Span 0 of Drive Group 0 8-13

8.9 Span 0 and Span 1 of Drive Group 0 8-14

8.10 Virtual Drive Settings Window 8-15

8.11 New Virtual Drive 0 8-16

8.12 Create Virtual Drive Summary Window 8-17

8.13 Drive Security Settings Menu 8-19

8.14 Enable Drive Security - Introduction Screen 8-20

8.15 Enter Security Key ID Screen 8-21

8.16 Enter Security Key Screen 8-22

8.17 Enable Drive Security - Enter Pass Phrase Screen 8-23

8.18 Confirm Create Security Key Screen 8-24

8.19 Change Drive Security Menu 8-25

8.20 Change Security Settings - Introduction Screen 8-26

8.21 Change Security Settings - Security Key ID Screen 8-27

8.22 Change Security Settings - Security Key Screen 8-28

8.23 Authenticate Drive Security Settings Screen 8-29

8.24 Change Security Settings - Pass Phrase Screen 8-29

8.25 Change Drive Security Menu 8-31

8.26 Confirm Disable Drive Security Screen 8-32

Contents

8.27 F

oreign Configuration Detected Screen 8-34

8.28 Creating a Global Hot Spare 8-36

8.29 Set Adjustable Task Rates 8-38

8.30 Set Virtual Drive Properties 8-40

8.31 Data Backup Warning 8-42

8.32 Modify Drive Group Wizard 8-43

9.1 Event Information Window 9-2

9.2 Alert Notification Configuration Menu 9-3

9.3 Alerts Notification Configuration Screen 9-4

9.4 Alert Notification Delivery Methods Dialog Box 9-6

9.5 Change Individual Events Dialog Box 9-7

9.6 Change Individual Events Severity Level Menu 9-8

9.7 Mail Server Options 9-9

9.8 Email Settings 9-12

9.9 Controller Information 9-14

9.10 Drive Information 9-15

9.11 Patrol Read Configuration 9-17

9.12 Virtual Drive Properties 9-20

9.13 Enclosure Information – Graphical View 9-22

9.14 Battery Backup Unit Information 9-23

9.15 Battery Backup Unit Operations 9-25

9.16 Group Show Progress Window 9-26

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