IBM SG24-5360-00 User Manuals

Table of Contents

• RAMAC Virtual Array,

  3
• Peer- to- Peer Remote Copy,

  3
• and IXFP/SnapShot for VSE/ESA

  3
• Contents

  5
• Preface

  9
  • The Team That Wrote This Redbook

    9
  • Comments Welcome

    10
• Chapter 1. The IBM RAMAC Virtual Array

  11
  • What Is an IBM RAMAC Virtual Array?

    11
  • Overview of RVA and the Virtual Disk Architecture

    11
  • Log Structured File

    11
  • Data Compression and Compaction

    12
  • VSE/ ESA Support for the RVA

    13
  • What Is IXFP/ SnapShot for VSE/ ESA?

    13
  • What Is SnapShot?

    13
  • What Is IXFP?

    14
  • What Is Peer- to- Peer Remote Copy?

    15
• Chapter 2. RVA Benefits for VSE/ESA

  17
  • RVA Simplifies Your Storage Management

    17
  • Disk Capacity

    17
  • Administration

    18
  • IXFP

    18
  • Batch Window Improvement

    18
  • RAMAC Virtual Array

    19
  • IXFP/ SnapShot for VSE/ ESA

    19
  • Application Development

    20
  • RVA Data Availability

    20
  • Hardware

    20
  • SnapShot

    21
  • PPRC

    21
• Chapter 3. VSE/ESA Support for the RVA

  23
  • Prerequisites

    23
  • Volumes

    24
  • Host Connection

    24
  • VSE/ ESA Input/ Output Configuration Program

    24
  • ICKDSF

    25
  • Volume Minimal Init

    25
  • Partial Disk Minimal Init

    25
• Chapter 4. IXFP/SnapShot for VSE/ESA

  27
  • IXFP SNAP

    31
  • A Full Volume

    31
  • A Range of Cylinders

    33
  • A Non- VSAM File

    34
  • IXFP DDSR

    35
  • Expired Files

    35
  • A Total Volume

    36
  • A Range of Cylinders

    36
  • A Specified File

    37
  • IXFP REPORT

    37
  • Device Detail Report

    39
  • Device Summary Report

    41
  • Subsystem Summary Report

    41
• Chapter 5. Peer- to- Peer Remote Copy

  43
  • PPRC and VSE/ ESA Software Requirements

    44
  • PPRC Hardware Requirements

    45
  • Invoking peer- to- peer remote copy

    45
  • SnapShot Considerations

    46
  • Primary Devices of a PPRC Pair

    46
  • Secondary Devices of a PPRC Pair

    46
  • Examples of PPRCOPY Commands

    46
  • Setting Up PPRC Paths and Pairs

    47
  • Recovering from a Primary Site Failure

    47
  • Recovering from a Secondary Site Failure

    48
  • Deleting PPRC Pairs and Paths

    48
  • Physical Connections to the RVA

    48
  • Determining the Logical Control Unit Number for RVA

    49
  • Determining the Channel Connection Address

    49
• Appendix A. RVA Functional Device Configuration

  51
• Appendix B. IXFP Command Examples

  53
  • B. 1 SNAP Command

    53
  • B. 1.1 Syntax

    53
  • B. 1.2 Using SnapShot to Copy One Volume to Another

    55
  • B. 1.3 Using SnapShot to Copy a File from One Volume to Another

    57
  • B.1.4 Using SnapShot to Copy Files with Relocation

    57
  • B.1.5 Other Uses of SnapShot

    58
  • B. 2 DDSR Command

    59
  • B. 2.1 Syntax

    59
  • B. 2.2 Using DDSR to Delete a Single Data Set

    60
  • B. 2.3 Using DDSR to Delete the Contents of a Volume

    60
  • B. 2.4 Using DDSR to Delete the Free Space on an RVA

    61
  • B. 3 Report Command

    62
  • B. 3.1 Syntax

    62
  • B. 3.2 Reporting on the Capacity of a Single Volume

    63
  • B. 3.3 Reporting on the Capacity of Multiple Volumes

    63
  • B. 3.4 Reporting on the Capacity of the RVA Subsystem

    63
  • B. 4 IXFP/ SnapShot Setup Job Streams

    64
• Appendix C. VSE/VSAM Considerations

  69
  • C. 1 Backing up VSAM Volumes

    70
• Appendix D. IOCDS Example

  73
• Appendix E. Special Notices

  75
• Appendix F. Related Publications

  77
  • F. 1 International Technical Support Organization Publications

    77
  • F. 2 Redbooks on CD- ROMs

    77
  • F. 3 Other Publications

    77
• How to Get ITSO Redbooks

  79
  • IBM Redbook Fax Order Form

    80
• Index

  81
• B

  81
• H

  81
• C

  81
• I

  81
• D

  81
• L

  81
• E N

  81
• F

  81
• P

  81
• V

  82
• R

  82
• S

  82
• T

  82
• U

  82
• ITSO Redbook Evaluation

  83