Front cover -- Contents -- Figures -- Tables -- Notices -- Trademarks -- Preface -- The team that wrote this redbook -- Become a published author -- Comments welcome -- Summary of changes -- November 2005, Eighth Edition -- Chapter 1. Introducing the IBM TotalStorage Virtual Tape Server -- 1.1 The "IBM TotalStorage 3494 Virtual Tape Server" -- 1.1.1 VTS models -- 1.1.2 VTS development -- 1.1.3 VTS benefits -- 1.2 VTS compared to traditional tape stacking methods -- 1.2.1 The z/OS software based virtual tape solution concept -- 1.2.2 Advantages and disadvantages of software based tape solutions -- Chapter 2. Architecture, functional characteristics, and components -- 2.1 VTS concepts -- 2.1.1 Logical components -- 2.1.2 Mounting a scratch tape -- 2.1.3 Buffering data in the Tape Volume Cache (TVC) -- 2.1.4 Copying the data to tape -- 2.1.5 Mounting a specific tape -- 2.1.6 Expired volumes -- 2.1.7 Secure data erase -- 2.1.8 Reconciliation and reclamation -- 2.1.9 VTS internal space management -- 2.2 VTS terminology -- 2.2.1 Tape Volume Cache (TVC) -- 2.2.2 Virtual volumes -- 2.2.3 Logical volumes -- 2.2.4 Increased logical volume sizes -- 2.2.5 Stacked volumes -- 2.2.6 Virtual drives -- 2.2.7 Physical drives -- 2.3 VTS models -- 2.3.1 Model B16 VTS and Model B18 VTS -- 2.3.2 VTS models B10 and B20 -- 2.3.3 VTS internal elements -- 2.3.4 Peer-to-Peer VTS -- 2.3.5 VTS High Capacity Cache Option -- 2.4 Hardware components -- 2.4.1 VTS controller -- 2.4.2 Tape Volume Cache (TVC) -- 2.4.3 IBM TotalStorage Enterprise Tape Drives -- 2.5 Virtual Tape Server configuration in the library -- 2.5.1 Library Manager -- 2.5.2 VTS attached to an IBM 3494 Tape Library -- 2.5.3 VTS attached to an IBM 3584 Tape Library -- 2.5.4 Logical libraries in the 3584/3953 -- 2.6 Advanced Policy Management (APM) -- 2.6.1 Physical volume pooling -- 2.6.2 Selective dual copy.

2.6.3 Tape volume cache management -- 2.6.4 Large Logical Volume sizes -- 2.6.5 PTP copy mode control -- 2.6.6 Reclamation -- 2.6.7 Import/Export function -- 2.6.8 Open Systems considerations -- Chapter 3. Preinstallation planning and sizing -- 3.1 Hardware configurations -- 3.1.1 VTS configuration options -- 3.1.2 Model B10 VTS and Model B20 VTS configurations -- 3.2 IBM 3494 Tape Library attachment -- 3.2.1 VTS with 3590 tape drives -- 3.2.2 VTS with 3592 tape drives in a 3494 Tape Library -- 3.2.3 Library configuration rules -- 3.3 IBM 3584 Tape Library attachment -- 3.3.1 The 3953 Library Manager within a 3584 Tape Library -- 3.3.2 Configuration example for a VTS in a 3584 Tape Library -- 3.4 The VTS as a logical library -- 3.4.1 Partitioning the VTS into multiple logical libraries -- 3.4.2 Sharing a VTS subsystem -- 3.5 Tape analysis and sizing the VTS -- 3.5.1 IBM Tape Tools -- 3.5.2 BatchMagic -- 3.5.3 Suitable data for the VTS -- 3.6 Planning for volume and cartridge storage -- 3.6.1 Support for 500,000 logical volumes -- 3.6.2 Data compression -- 3.6.3 Size of virtual volumes -- 3.6.4 Selecting logical volume serial numbers -- 3.6.5 Extended Length Media Support -- 3.6.6 System managed tape considerations -- 3.6.7 Basic Tape Library Support (BTLS) considerations -- 3.6.8 Tape Mount Management (TMM) considerations -- 3.7 Physical planning and placement -- 3.7.1 Operational requirements -- 3.7.2 Physical planning considerations -- 3.7.3 Power considerations -- 3.7.4 IBM TotalStorage Master Console -- 3.7.5 VTS and Library Manager microcode levels -- 3.8 Software requirements -- 3.8.1 Software requirements for ES/3090, ES/9000, S/390, or zSeries -- 3.8.2 Software requirements for SCSI host systems -- 3.9 Planning for Advanced Policy Management exploitation -- 3.9.1 Prerequisites -- 3.9.2 Cache Management exploitation.

3.9.3 APM pooling considerations -- 3.9.4 Selective Dual Copy -- 3.9.5 Larger logical volumes -- 3.9.6 Secure Data Erase -- 3.9.7 Considerations for cache management -- 3.10 Remote installations and switch support -- 3.10.1 Fabric support -- 3.10.2 FICON transfer modes -- 3.10.3 Factors that affect distance -- 3.11 Education and training on the VTS -- 3.11.1 Adding a VTS to an existing 3494 or 3584 -- 3.11.2 New VTS and new 3494 Tape Library or new 3584 Tape Library with 3953 LM -- 3.11.3 Migration of an existing VTS -- 3.11.4 Sharing the VTS with other systems -- 3.11.5 Implementation services -- Chapter 4. Implementation -- 4.1 VTS implementation considerations -- 4.1.1 Background and supplementary materials -- 4.1.2 Overview of installation tasks -- 4.2 Hardware I/O configuration definition -- 4.2.1 Logical path considerations: ESCON -- 4.2.2 Logical path considerations: FICON host -- 4.2.3 Defining devices through IOCP -- 4.2.4 Defining devices through HCD -- 4.2.5 HCD support for library and port IDs -- 4.2.6 Activate the I/O configuration -- 4.2.7 Display and control your settings -- 4.2.8 Set values for Missing Interrupt Handler (MIH) -- 4.3 VTS definition from the Library Manager -- 4.3.1 Navigating the Library Manager -- 4.3.2 Check the VTS library sequence number -- 4.3.3 Define stacked volume ranges -- 4.3.4 Define (insert) logical volumes -- 4.3.5 Define Fast Ready categories -- 4.3.6 Physical cartridge insertion -- 4.3.7 Define VTS management policies -- 4.3.8 Cleaning schedule pop-up window -- 4.3.9 Simple network management protocol traps -- 4.4 Implementing Advanced Policy Management -- 4.4.1 Defining stacked volume pool properties -- 4.4.2 Defining storage groups -- 4.4.3 Creating management classes -- 4.4.4 Creating storage classes -- 4.4.5 Creating data classes -- 4.4.6 Implementing Advanced Policy Management for non-z/OS hosts.

4.5 VTS software definition for zSeries -- 4.5.1 DFSMS system-managed tape -- 4.5.2 Defining the VTS to the tape management system -- 4.5.3 JES3 environments -- 4.5.4 Sharing VTS within multiple hosts -- 4.5.5 Partitioning the VTS between multiple hosts -- 4.6 VM/VSE considerations -- 4.6.1 VM/ESA and z/VM native support using DFSMS/VM -- 4.6.2 VM/ESA and z/VM guest support -- 4.6.3 VSE/ESA as a VM/ESA guest using a VSE guest server (VGS) -- 4.6.4 Native z/VSE -- 4.7 Transaction processing facility (TPF) considerations -- 4.8 VTS Open System attachment -- 4.8.1 SAN attachment configuration -- 4.8.2 IBM TotalStorage VTS Open Systems design -- 4.8.3 Open Systems implementation -- 4.8.4 SCSI bus -- 4.8.5 SCSI target addressing -- 4.8.6 SCSI drive emulation -- Chapter 5. Data migration -- 5.1 DFSMShsm -- 5.1.1 Volume and data set sizes -- 5.1.2 VTS implementation considerations -- 5.1.3 DFSMShsm task related considerations -- 5.1.4 DFSMShsm AUDIT considerations -- 5.2 DFSMSrmm and other tape management systems -- 5.3 Tivoli Storage Manager -- 5.3.1 Recommendations for VTS usage -- 5.3.2 Recommendations for native drives -- 5.3.3 Tivoli Storage Manager parameter settings -- 5.4 DFSMSdss -- 5.4.1 Full volume dumps -- 5.4.2 Stand-Alone Services -- 5.5 Object Access Method (OAM) -- 5.6 Database backups -- 5.6.1 DB2 data -- 5.6.2 CICS and IMS -- 5.6.3 Batch data -- 5.7 Moving data into and out of VTS -- 5.7.1 Moving data into the VTS: phased method -- 5.7.2 Moving data into the VTS: quick method -- 5.7.3 Products to simplify the task -- 5.7.4 Considerations for static volsers -- 5.7.5 Combining methods to move data into the VTS -- 5.7.6 Moving data out of the VTS -- 5.8 Physical cartridge movement -- 5.9 Migration scenarios when installing 3592 drives into a VTS -- 5.10 Summary -- Chapter 6. Operating the VTS -- 6.1 Power control.

6.1.1 Powering on the VTS as part of a 3494 -- 6.1.2 Powering off the VTS as part of a 3494 -- 6.1.3 Power control when part of a 3584/3953 system -- 6.2 Operational states and modes -- 6.2.1 3494 Tape Library -- 6.2.2 3584/3953 Tape Library -- 6.2.3 The informational states of the 3494 -- 6.2.4 The informational states of the 3584/3953 -- 6.3 Conditions that require intervention -- 6.3.1 Intervention-required messages -- 6.3.2 Service Information Messages (SIMs) -- 6.3.3 Simple network management protocol (SNMP) traps -- 6.4 Tape management -- 6.4.1 Defining volser ranges for stacked volumes -- 6.4.2 Deleting volser ranges for stacked volumes -- 6.4.3 Tape labels -- 6.4.4 Inserting stacked volumes in the VTS -- 6.4.5 Ejecting VTS stacked volumes -- 6.4.6 Move and eject stacked volumes -- 6.4.7 Move/Eject Stacked Volumes (Status) -- 6.5 Inserting logical volumes into the VTS -- 6.6 Expired volume management -- 6.6.1 Fast-Ready category -- 6.6.2 Scratch volume recovery -- 6.7 Ejecting logical volumes from the VTS -- 6.8 Querying the Library Manager database -- 6.8.1 Search database for volumes -- 6.8.2 Find logical volume's home -- 6.8.3 List logical volumes on a stacked volume -- 6.8.4 List Database Volumes function -- 6.9 Inventory update -- 6.10 Operating the VTS from a host -- 6.10.1 Data security pre-Release 7.4 -- 6.10.2 Secure data erasure -- 6.10.3 Stand-alone support -- 6.11 Error recovery -- 6.11.1 IBM VTS resilience -- 6.11.2 VTS controller -- 6.11.3 Power distribution -- 6.12 Recovery scenarios -- 6.12.1 Statistical Analysis and Reporting System (SARS) -- 6.12.2 Hardware conditions -- 6.12.3 FICON support enhancements -- 6.13 Disaster recovery -- 6.13.1 VTS database -- 6.13.2 Actions to take at the damaged site -- 6.13.3 Actions to take at the recovery site -- 6.13.4 Disaster recovery processing time.

6.13.5 Disaster recovery implications.