Z/OS V1R11.0 DFSMS OAM Planning, Installation, and Storage
Total Page:16
File Type:pdf, Size:1020Kb
z/OS DFSMSObjectAccessMethodPlanning, Installation, and Storage Administration Guide for Tape Libraries SC35-0427-09 z/OS DFSMSObjectAccessMethodPlanning, Installation, and Storage Administration Guide for Tape Libraries SC35-0427-09 Note Before using this information and the product it supports, be sure to read the general information under “Notices” on page 371. Tenth Edition, March, 2010 This edition applies to Version 1 Release 11 of z/OS (5694-A01), and to all subsequent releases and modifications until otherwise indicated in new editions. This edition replaces SC35-0427-08. IBM welcomes your comments. A form for readers' comments may be provided at the back of this publication, or you may address your comments to the following address: International Business Machines Corporation Department 55JA, Mail Station P181 2455 South Road Poughkeepsie, NY 12601-5400 United States of America FAX (United States & Canada): 1+845+432-9405 FAX (Other Countries): Your International Access Code +1+845+432-9405 IBMLink (United States customers only): IBMUSM10(MHVRCFS) Internet e-mail: [email protected] World Wide Web: http://www.ibm.com/servers/eserver/zseries/zos/webqs.html If you would like a reply, be sure to include your name, address, telephone number, or FAX number. Make sure to include the following in your comment or note: v Title and order number of this document v Page number or topic related to your comment When you send information to IBM, you grant IBM a nonexclusive right to use or distribute the information in any way it believes appropriate without incurring any obligation to you. © Copyright IBM Corporation 1993, 2010. US Government Users Restricted Rights – Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp. Contents Figures ..............vii VTS Outboard Policy Management ......9 Duplicate Volume Management .......9 Tables ...............ix TotalStorage Automated Tape Library (3495) System Attachment ...............9 High Capacity Input and Output Facility . 10 About This Book...........xi External High-Capacity Input and Output Required product knowledge ........xi Facility ...............10 Referenced documents ...........xi Manual Mode Terminal .........10 Accessing z/OS DFSMS information on the Internet xii Library Manager Application .......11 The z/OS Basic Skills Information Center ....xiii Convenience Input and Output Facility ....11 How to Read Syntax Diagrams .......xiii TotalStorage Automated Tape Library (3494) System Attachment ..............11 Summary of Changes ........xv Cartridge Storage Cells .........12 Summary of Changes for SC35-0427-09 z/OS Tape Systems .............12 Version 1 Release 11 ...........xv Convenience Input and Output Station ....13 New Information ...........xv High Capacity Input/Output Facility .....14 Changed Information ..........xv Library Manager Application .......14 Summary of Changes for SC35-0427-08 z/OS System Storage Automated Tape Library (3584) Version 1 Release 11 ...........xvi System Attachment ............14 New Information ...........xvi Virtual Tape Server system of the ATLDS ....14 Summary of Changes for SC35-0427-07 z/OS Emulating 3490-Type Virtual Tape Devices . 15 Version 1 Release 10 ...........xvi Emulating 3490-Type Virtual Volumes ....15 New Information ...........xvi Larger Logical Volume Sizes ........16 Changed Information ..........xvi VTS System Import and Export Functions . 16 Summary of Changes for SC35-0427-06 z/OS Tape Volume Cache...........17 Version 1 Release 10 ...........xvii Storage Management of the Tape Volume Cache 17 New Information ...........xvii Improved Cache Management .......17 Summary of Changes for SC35-0427-05 z/OS Deleting Expired Virtual Tape Server Logical Version 1 Release 9 ...........xviii Volume Data .............18 New Information ...........xviii Secure Data Erase ...........18 Summary of Changes for SC35-0427-04 z/OS Maintaining Data Fragments from Migrated Version 1 Release 8 ...........xix Volumes ..............18 New Information ...........xix Fast Response for Nonspecific Mount Requests 18 Using the 3590 and 3592 Storage Capacity . 19 Chapter 1. Introduction to Tape Library Logical Library Partitioning ........19 Management .............1 Operator Interface ...........19 Logical Volume Inventory ........19 Automated Tape Storage ..........1 Physical Volume Pooling .........20 Automated Tape Library .........2 Selective Dual Copy ..........20 Manual Tape Storage ...........2 Bulk Volume Information Retrieval .....21 Manual Tape Library ..........2 Peer-to-Peer Virtual Tape Server .......21 Object Access Method Support for Tape Libraries . 3 Geographically Dispersed Parallel Sysplex ISMF Role with Tape Libraries .......4 Support for Peer-to-Peer VTS .......21 Installation Storage Management Policy Overview 4 Selective Peer-to-Peer Copy Mode ......23 System Groups in an SMS Configuration ....5 Selective Peer-to-Peer Dual Copy ......23 Storage Groups and Automated Class Selections TS7700 Virtualization Engine ........23 Routines ................5 TS7740 Virtualization Engine (3957-V06) ....24 Understanding the Pre-ACS Routine Exit .....6 || TS7720 Virtualization Engine (3957-VEA) . 24 Integrated Catalog Facility and the Tape || Logical WORM Considerations .......25 Configuration Database...........6 || TS7680 Tape Virtualization .........26 MVS Hardware Configuration Definition .....7 || Cache Management...........27 Types of Tape Volumes ...........8 || Load Balancing ............27 Private Tape Management .........8 Entering a Tape Cartridge into a Tape Library . 27 Scratch Tape Management .........8 Cartridge Entry Processing Without an Online Scratch Tape Management in an MTL .....8 Device ...............28 VTS Stacked Tape Management .......8 © Copyright IBM Corp. 1993, 2010 iii Importing Logical Volumes into a 3494 VTS 3590 Model H Coexistence Considerations ....71 System ...............29 3592 Model J Coexistence Considerations ....71 Checking the Volume Serial Number for 3592 Model E05 Coexistence Considerations . 71 Uniqueness .............32 Encryption-Capable 3592 Model E05 Coexistence Using Global Resource Serialization with Considerations .............72 Cartridge Entry Processing ........33 Encryption-Capable 3592 Model E06 Coexistence Using Global Resource Serialization in a Manual Considerations .............72 Tape Library .............33 Considerations When Running z/OS as a Guest Tape Volume Requirements ........34 under z/VM ..............72 Volume Serial Number Restrictions .....35 Tape Library Installation Checklist.......72 Ejecting a Tape Cartridge from a Tape Library . 35 Installation Procedures ..........74 Ejecting a Logical Volume from a VTS ....36 Building the Library Inventory .......74 Exporting Logical Volumes from a 3494 VTS Changing System Libraries ........75 System ...............37 Creating the Global Resource Serialization Copy Export from the TS7740 Virtualization Environment .............77 Engine (3957-V06) ...........39 Creating the Tape Configuration Database . 78 Using Global Resource Serialization with Export Creating the Hardware Configuration ....80 Processing ..............41 IPLing the System ...........80 Creating the SMS Definitions .......81 Chapter 2. Planning for the Tape Creating the Installation Exit Routines ....82 Library Support ...........43 Validating the Configuration........83 Activating the SMS Configuration ......83 Analyzing Your Hardware Environment .....43 Starting the OAM Address Space ......83 Hardware ..............43 Varying the Library Online ........84 WORM Considerations .........47 Displaying and Setting the Cartridge Loader Manual Tape Library Hardware Considerations 48 Media Type .............84 Managing Multiple Media Formats .....48 Running the Job Stream .........84 Tape Device Selection Information ......49 Outboard Policy Management Installation Demand Allocation with System-Managed Tape 51 Recommendations ............84 || Load Balancing Considerations .......51 Outboard Policy Management Test Environments 87 | Balanced Mode in the TS7700 Virtualization Outboard Policy Management Migration and || Engine ...............53 Expected Actions ...........87 Tape Encryption Support .........53 Tape Subsystem (Device Pool) Limitation ....88 Performance Scaling Considerations .....55 Library Subsystem Modifications .......88 Performance Segmentation Considerations . 55 Adding Subsystems to a Library ......88 Using the Tape Configuration Database to Manage Moving Subsystems within a Library .....89 Tape Volumes .............56 Deleting Subsystems from a Library .....90 Software Volume Categories ........56 Scratch Threshold Setting and Scratch Allocation Implications .............56 Chapter 4. Defining and Monitoring TCDB Volume Error Status Field and Software Your Configuration .........91 Error Category in an Automated Tape Library . 58 Monitoring and Maintaining the Tape Configuration 91 TCDB Volume Error Status Field and the MTL . 59 Typical Library Management Functions ....91 TCDB Volume Expiration Date .......60 Monitoring and Maintaining SMS Library Console Name Message Routing ......60 Definitions...............93 Sharing a Tape Library Among Multiple Systems 61 Changing z/OS Construct Definitions ....93 Partitioning Tape Libraries among Multiple Outboard Policy Management Definitions . 93 Sysplexes ..............63 Maintaining Tape Storage Group Definitions . 93 Sharing Tape Volumes between an SMSplex and Changing ACS Routines .........93 a Non-MVS Platform ..........66 Establishing Recovery