Front cover -- Contents -- Notices -- Trademarks -- Preface -- The team that wrote this redbook -- Become a published author -- Comments welcome -- Chapter 1. Introduction to independent auxiliary storage pools (IASPs) -- 1.1 Disk storage: A brief history -- 1.2 What's new in V5R2 -- 1.3 Positioning IASPs -- 1.3.1 Single system environment -- 1.3.2 Multisystem clustered environment -- 1.3.3 Who benefits from using independent disk pools -- Chapter 2. Planning for IASPs -- 2.1 Business needs -- 2.2 Performance requirements -- 2.2.1 Structure of IASPs -- 2.2.2 Disk drives: Arms versus capacity -- 2.2.3 Placement for performance -- 2.3 Software licensing requirements -- 2.3.1 Required software -- 2.3.2 Optional software -- 2.4 Restrictions -- 2.4.1 Switching independent disk pools between V5R1 and V5R2 systems -- 2.4.2 Spooling limitations -- 2.5 Application integration -- 2.6 Authority considerations -- 2.6.1 User profiles and IASPs -- 2.6.2 Planning for user profiles and space to be used -- 2.6.3 Authorization lists (AUTL) and IASPs -- 2.6.4 Accounting for space used by user profiles and authorization lists -- 2.7 Capacity planning -- 2.8 Hardware configuration and physical planning -- 2.8.1 Minimum hardware requirements -- 2.8.2 Physical versus logical switching -- 2.8.3 PCI card switching -- 2.8.4 ASPs and expansion towers -- 2.8.5 High-speed link (HSL) cable placement -- 2.8.6 HSL port feature -- 2.8.7 HSL cabling rules for multiple system switched tower implementation -- 2.8.8 SPCN cable considerations -- 2.9 Aesthetics -- 2.10 Physical planning requirements -- 2.10.1 Advantages of using IASPs -- 2.10.2 Limitations of using IASP -- 2.11 Independent disk pool planning checklist -- 2.12 Disk planning worksheet -- 2.13 PCI card placement planning worksheet -- 2.14 Positioning independent disk pools -- Chapter 3. Configuration examples.

3.1 Configuring IASPs -- 3.2 Non-switchable IASPs -- 3.2.1 Any one or more disks anywhere on the system -- 3.3 Switchable IASPs -- 3.3.1 Complete towers and IASPs -- 3.3.2 Subset of the disk units in a tower -- 3.3.3 Multiple IASPs in a tower -- 3.3.4 Disk units from two or more I/O towers -- Chapter 4. Application considerations -- 4.1 Name space, independent disk pools, and RDBs -- 4.2 Relational database directory -- 4.3 Distinctions -- 4.4 IASP as a separate database -- 4.4.1 Connections -- 4.4.2 System connections -- 4.4.3 Switching RDBs -- 4.4.4 Object creation -- 4.4.5 System-wide statement cache (SWSC) -- 4.4.6 Start Query Management Query (STRQMQRY) and Start Query Management Procedure (STRQMPRC) RDB... -- 4.5 ODBC considerations -- 4.5.1 JDBC considerations -- 4.6 Systems-managed access-path protection (SMAPP) considerations -- 4.7 Query/400 -- 4.8 System values -- 4.9 Network attribute considerations -- 4.9.1 Alert Filters (ALRFTR) -- 4.9.2 Message Queue (MSGQ) -- 4.9.3 Distributed Data Management Access (DDMACC) -- 4.9.4 PC Support Access (PCSACC) -- 4.10 Journaling considerations -- 4.10.1 Journaling boundaries -- 4.10.2 Journaling with user-defined file system (UDFS) and library-capable independent disk pools -- 4.10.3 Journaling and disk pool groups -- 4.11 Subsystem considerations -- 4.12 DRDA considerations -- 4.13 Commitment control considerations -- 4.13.1 Commitment definitions -- 4.13.2 Considerations for XA transactions -- 4.13.3 Commitment control recommendations -- 4.14 Exit programs -- 4.15 System libraries -- 4.16 System ASP and all basic user ASPs (*SYSBAS) -- 4.17 Other system considerations -- Chapter 5. Configuration and management -- 5.1 The heart of an independent disk pool -- 5.1.1 From the green-screen side -- 5.2 Disk pool operation -- 5.2.1 Disk pool and disk pool group.

5.2.2 Making an independent disk pool available -- 5.2.3 Duration of the Make Available option -- 5.2.4 Making an independent disk pool unavailable -- 5.2.5 Independent disk pool overflow -- 5.2.6 Independent disk pool IPL considerations -- 5.2.7 Switching independent disk pools -- 5.2.8 Planned disk pool switch -- 5.2.9 Unplanned IASP switch -- 5.2.10 IASP save/restore -- 5.2.11 ASP and disk unit numbering -- 5.2.12 Device domains -- 5.2.13 Selecting all disk units to add to a pool -- 5.3 Disk pool management -- 5.3.1 Creating a disk pool -- 5.3.2 Clearing the data from a disk pool -- 5.3.3 Recovering the disk pool group -- 5.3.4 Balancing a disk pool -- 5.3.5 Deleting a disk pool -- 5.3.6 Converting a user-defined file system (UDFS) disk pool to a primary or secondary disk pool -- 5.3.7 Setting the threshold of a disk pool -- 5.3.8 What to do when a disk pool fills up -- 5.3.9 Removing a disk unit from an IASP -- 5.3.10 Adding a disk unit to an existing IASP -- 5.3.11 Reclaim Storage and IASPs -- Chapter 6. Stand-alone IASP setup -- 6.1 IASP creation prerequisites -- 6.2 Creating a primary disk pool as a stand-alone resource -- 6.3 Creating a new secondary disk pool -- 6.4 Creating a new UDFS disk pool as a stand-alone resource -- Chapter 7. Switchable setup -- 7.1 Prerequisites for creating IASPs -- 7.2 Installing iSeries Navigator component logical systems -- 7.3 Creating a two-node cluster -- 7.4 Creating a switchable ASP -- 7.4.1 Creating an IASP switchable between multiple LPARs of a single system -- 7.4.2 Creating a switchable hardware group -- 7.4.3 Creating an IASP switchable between multiple systems and LPARs -- 7.4.4 Making a tower switchable -- Chapter 8. Installing applications -- 8.1 Phoenix system discussion -- 8.2 Current Phoenix Software installation instructions -- 8.3 Changing the installation to a non-switchable disk pool.

8.3.1 Phoenix system library installation -- 8.3.2 Creating the disk pool -- 8.3.3 User profile/job description considerations -- 8.3.4 Subsystem considerations -- 8.3.5 Job queue considerations -- 8.3.6 Output queue and printing considerations -- 8.3.7 Switchable disk pool -- 8.4 Moving applications from *SYSBAS to an independent disk pool -- Chapter 9. An implementation example -- 9.1 Non-switchable simple independent disk pool -- 9.1.1 Installing Spectrum on an independent disk pool -- 9.1.2 Single non-switched independent disk pool comments -- 9.2 Switchable independent disk pool -- 9.2.1 Installing Content Manager OnDemand for iSeries on an independent disk pool -- 9.2.2 Switching the independent disk pool -- 9.2.3 Switchable independent disk pool comments -- 9.3 Independent disk pools with multiple versions of software -- 9.3.1 Usage for multiple versions -- 9.3.2 Multiple independent disk pools for multiple version comments -- 9.4 Integrated xSeries Servers and independent disk pools -- 9.4.1 Real example with Integrated xSeries Adapters -- 9.5 Partitions and independent disk pools -- 9.5.1 Real example setup -- 9.5.2 Other uses of partitions and independent disk pools -- 9.6 Linux and independent disk pools -- 9.6.1 Linux and independent disk pool comments -- 9.7 Remote and local journaling with independent disk pools -- Chapter 10. SAP in an IASP -- 10.1 SAP in a non-clustered environment -- 10.2 Implementation overview -- 10.3 The cluster environment -- 10.4 Setting up the SAP system -- 10.4.1 Manually setting up the SAP system -- 10.5 Setting up the IASP -- 10.5.1 Setting up the libraries -- 10.5.2 User profile and job description changes -- 10.5.3 Journal and journal receiver -- 10.5.4 IFS files -- 10.5.5 TCP/IP for switchable disk pool -- 10.5.6 Control Language (CL) source and corresponding command.

10.5.7 Modifying SAP configuration files for IASP -- 10.6 Operating the SAP environment -- 10.6.1 Starting the SAP system -- 10.6.2 Manual switchover to a secondary system -- 10.6.3 Logging on to SAP using switchable IP address -- 10.6.4 SAP license considerations -- 10.7 SAP IT landscape with IASP considerations -- 10.7.1 Test system considerations -- 10.7.2 Disaster recovery considerations -- 10.7.3 Disk performance considerations -- Chapter 11. Backup and recovery -- 11.1 Using native OS/400 save and restore functions -- 11.2 Saving IASPs -- 11.2.1 Private IASPs -- 11.3 Saving your entire system -- 11.3.1 Special considerations on save commands -- 11.4 Restoring IASPs -- 11.4.1 Recovering an IASP after losing the system ASP -- 11.4.2 Saving and restoring Linux network storage space (NWSSTG) in an IASP -- 11.5 Using BRMS with IASPs -- 11.5.1 Backing up ASP devices -- 11.5.2 Recovery of ASP devices -- 11.6 Recovering an independent disk pool -- Appendix A. Prerequisite steps -- Configuring the Service Tools adapter on the iSeries server -- Setting up Management Central -- Appendix B. Planning checklists -- Independent disk pool checklist -- Disk planning worksheet -- PCI card placement planning worksheet -- Appendix C. Disk unit selection criteria -- Appendix D. The SETASPGRP command -- Details of the SETASPGRP command -- Examples of using the SETASPGRP command -- Example 1: Setting as new ASP group -- Example 2: Specifying no ASP group -- Escape message for the SETASPGRP command -- Appendix E. Command-to-Navigator cross reference -- Appendix F. Supported and unsupported objects, APIs -- APIs relating to IASPs -- QYASPOL -- QGYCLST -- QGYGTLE -- QHSMMOVL -- QHSMMOVF -- Related publications -- IBM Redbooks -- Other publications -- Referenced Web sites -- How to get IBM Redbooks -- IBM Redbooks collections -- Index -- Back cover.