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Record Nr. |
UNINA9910809404603321 |
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Titolo |
IBM TotalStorage Enterprise Storage Server model 800 / / Gustavo Castets ... [et al.] |
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Pubbl/distr/stampa |
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[United States?], : IBM Corp., 2002 |
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Edizione |
[2nd ed.] |
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Descrizione fisica |
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Collana |
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Altri autori (Persone) |
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Disciplina |
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Soggetti |
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Storage area networks (Computer networks) |
Electronic data processing - Backup processing alternatives |
Data recovery (Computer science) |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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Nota di bibliografia |
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Nota di contenuto |
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Front cover -- Contents -- Figures -- Tables -- Notices -- Trademarks -- Preface -- The team that wrote this redbook -- Become a published author -- Comments welcome -- Chapter 1. Introduction -- 1.1 The IBM TotalStorage Enterprise Storage Server -- 1.2 The IBM TotalStorage Enterprise Storage Server Model 800 -- 1.3 Benefits -- 1.3.1 Storage consolidation -- 1.3.2 Performance -- 1.3.3 Data protection -- 1.3.4 Storage Area Network (SAN) -- 1.4 Terminology -- 1.4.1 Host attachment -- 1.4.2 Data architecture -- 1.4.3 Server platforms -- 1.4.4 Other terms -- Chapter 2. Hardware -- 2.1 IBM TotalStorage Enterprise Storage Server Model 800 -- 2.1.1 Hardware characteristics -- 2.2 ESS Expansion Enclosure -- 2.3 Photograph of the ESS Model 800 -- 2.4 ESS major components -- 2.5 ESS cages -- 2.6 ESS disks -- 2.6.1 ESS disk capacity -- 2.6.2 Disk features -- 2.6.3 Disk eight-packs -- 2.6.4 Disk eight-pack capacity -- 2.6.5 Disk intermixing -- 2.6.6 Disk conversions -- 2.6.7 Step Ahead option -- 2.7 Clusters -- 2.7.1 Processors -- 2.7.2 Cache -- 2.7.3 Non-volatile storage (NVS) -- 2.8 Device adapters -- 2.8.1 SSA 160 device adapters -- 2.8.2 Disk drives per loop -- 2.8.3 Hot spare disks -- 2.9 SSA loops -- 2.9.1 SSA operation -- 2.9.2 Loop availability -- 2.9.3 Spatial reuse -- 2.10 Host adapters -- 2.11 ESCON host adapters -- 2.12 SCSI host adapters -- 2.13 Fibre Channel host adapters -- 2.14 FICON host adapters -- 2.15 Fibre distances -- 2.16 Power supplies -- 2.16.1 Power characteristics |
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-- 2.16.2 Battery backup -- 2.17 Other interfaces -- 2.18 ESS Master Console -- 2.18.1 ESS local area network -- Chapter 3. Architecture -- 3.1 Overview -- 3.2 Data availability architecture -- 3.2.1 Data accessibility -- 3.2.2 Data protection -- 3.3 ESS availability features -- 3.3.1 Fault-tolerant subsystem -- 3.3.2 Cluster failover/failback -- 3.3.3 CUIR. |
3.4 Maintenance strategy -- 3.4.1 Call Home and remote support -- 3.4.2 SSR/CE dispatch -- 3.4.3 Concurrent maintenance -- 3.5 Concurrent logic maintenance -- 3.6 Concurrent power maintenance -- 3.7 Sparing -- 3.7.1 Sparing in a RAID rank -- 3.7.2 Replacement DDM is new spare -- 3.7.3 Capacity intermix sparing -- 3.8 Cluster operation: failover/failback -- 3.8.1 Normal operation before failover -- 3.8.2 Failover -- 3.8.3 Failback -- 3.9 CUIR -- 3.10 RAID Data protection -- 3.10.1 RAID ranks -- 3.10.2 RAID 5 rank -- 3.10.3 RAID 10 rank -- 3.10.4 Combination of RAID 5 and RAID 10 ranks -- 3.11 SSA device adapters -- 3.12 Logical Subsystems -- 3.12.1 Device adapters mapping -- 3.12.2 Ranks mapping -- 3.13 Host mapping to Logical Subsystem -- 3.13.1 SCSI and Fibre Channel mapping -- 3.13.2 CKD server mapping -- 3.14 Architecture characteristics -- 3.15 ESS Implementation - Fixed block -- 3.15.1 SCSI mapping -- 3.15.2 FCP mapping -- 3.16 ESS Implementation - CKD -- 3.17 CKD server view of ESS -- 3.18 CKD Logical Subsystem -- 3.19 SCSI server view of ESS -- 3.20 FB Logical Subsystem - SCSI attachment -- 3.21 Fibre Channel server view of ESS -- 3.22 FB Logical Subsystem - Fibre Channel attachment -- 3.23 iSeries -- 3.23.1 Single level storage -- 3.23.2 iSeries storage management -- 3.24 Data flow - host adapters -- 3.25 Data flow - read -- 3.25.1 Host adapter -- 3.25.2 Processor -- 3.25.3 Device adapter -- 3.25.4 Disk drives -- 3.26 Data flow - write -- 3.26.1 Host adapters -- 3.26.2 Processor -- 3.26.3 Device adapter -- 3.27 Cache and read operations -- 3.28 NVS and write operations -- 3.28.1 Write operations -- 3.28.2 NVS -- 3.29 Sequential operations - read -- 3.30 Sequential operations - write -- 3.31 zSeries I/O accelerators -- 3.31.1 Parallel Access Volumes (PAV) -- 3.31.2 Multiple Allegiance -- 3.31.3 I/O priority queuing -- Chapter 4. Configuration. |
4.1 Overview -- 4.2 Physical configuration -- 4.3 Storage capacity -- 4.3.1 Flexible capacity configurations -- 4.3.2 Step Ahead configurations -- 4.4 Logical configuration -- 4.4.1 Logical standard configurations -- 4.5 Base enclosure -- 4.6 Expansion Enclosure -- 4.7 Base and Expansion Enclosure loop configuration -- 4.8 Upgrade with eight-packs -- 4.9 Physical configuration -- 4.9.1 Cluster Processors -- 4.9.2 Cache -- 4.9.3 Host adapters -- 4.9.4 Device adapters -- 4.9.5 Performance accelerators -- 4.9.6 ESS copy functions -- 4.10 Loop configuration -- 4.11 Loop configuration - RAID 5 ranks -- 4.12 Loop configuration - RAID 10 ranks -- 4.13 Loop configuration - Mixed RAID ranks -- 4.13.1 RAID 5 versus RAID 10 considerations -- 4.13.2 Reconfiguration of RAID ranks -- 4.14 ESSNet setup -- 4.14.1 ESSNet and ESS Master Console -- 4.14.2 User local area network -- 4.14.3 Physical setup -- 4.14.4 Web browser -- 4.15 The ESS Specialist -- 4.15.1 ESS Specialist configuration windows -- 4.15.2 Logical standard configurations -- 4.16 ESS logical configuration -- 4.17 Logical configuration process -- 4.18 SCSI and Fibre Channel hosts and host adapters -- 4.19 ESCON and FICON host adapters -- 4.20 Defining Logical Subsystems -- 4.20.1 CKD Logical Subsystems -- 4.20.2 FB Logical Subsystems -- 4.21 Disk groups - ranks -- 4.22 RAID 5 and RAID 10 rank intermixing -- 4.23 Balancing RAID 10 ranks -- 4.24 Configuring CKD ranks -- 4.25 Configuring FB ranks -- 4.26 Assigning logical volumes to a rank -- 4.26.1 Rank capacities -- 4.26.2 Adding CKD logical volumes -- 4.26.3 Assigning iSeries logical |
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volumes -- 4.26.4 Assigning fixed block logical volumes -- 4.27 Defining CKD logical devices -- 4.28 Defining FB logical devices -- 4.28.1 SCSI attached hosts -- 4.28.2 Fibre Channel-attached hosts -- 4.29 LSS/ranks configuration example -- 4.30 SCSI host connectivity. |
4.30.1 Single host connection -- 4.30.2 SCSI connection for availability -- 4.30.3 Multi-connection without redundancy -- 4.30.4 Daisy-chaining host SCSI adapters -- 4.31 Fibre Channel host connectivity -- 4.31.1 Fibre Channel topologies -- 4.31.2 Fibre Channel connection for availability -- 4.32 ESCON host connectivity -- 4.32.1 ESCON control unit images -- 4.32.2 ESCON logical paths establishment -- 4.32.3 Calculating ESCON logical paths -- 4.33 FICON host connectivity -- 4.33.1 FICON control unit images -- 4.33.2 Calculating FICON logical paths -- 4.34 ESCON and FICON connectivity intermix -- 4.35 Standard logical configurations -- Chapter 5. Performance -- 5.1 Performance accelerators -- 5.2 Third-generation hardware -- 5.3 RISC SMP processors -- 5.4 Caching algorithms -- 5.4.1 Optimized cache usage -- 5.4.2 Sequential pre-fetch I/O requests -- 5.5 Efficient I/O operations -- 5.5.1 SCSI command tag queuing -- 5.5.2 z/OS enhanced CCWs -- 5.6 Back-end high performance design -- 5.6.1 Serial Storage Architecture (SSA) -- 5.6.2 Striping -- 5.6.3 RAID 10 vs RAID 5 -- 5.6.4 High-performance disk drives -- 5.7 Configuring for performance -- 5.7.1 Host adapters -- 5.7.2 RAID ranks -- 5.7.3 Cache -- 5.7.4 Disk drives -- 5.8 Subsystem Device Driver -- 5.9 Measurement tools -- 5.10 IBM TotalStorage Expert -- 5.10.1 ESS Expert overview -- 5.10.2 How does the ESS Expert work -- 5.10.3 ESS Expert performance reports -- 5.11 z/OS environment tools -- Chapter 6. zSeries performance -- 6.1 Overview -- 6.2 Parallel Access Volume -- 6.2.1 Traditional z/OS behavior -- 6.2.2 Parallel I/O capability -- 6.2.3 Benefits of Parallel Access Volume -- 6.2.4 PAV base and alias addresses -- 6.2.5 PAV tuning -- 6.2.6 Configuring PAVs -- 6.2.7 Querying PAVs -- 6.2.8 PAV assignment -- 6.2.9 WLM support for dynamic PAVs -- 6.2.10 Reassignment of a PAV alias. |
6.2.11 Mixing PAV types -- 6.2.12 PAV support -- 6.3 Multiple Allegiance -- 6.3.1 Parallel I/O capability -- 6.3.2 Eligible I/Os for parallel access -- 6.3.3 Software support -- 6.3.4 Benefits of Multiple Allegiance -- 6.4 I/O Priority Queuing -- 6.4.1 Queuing of channel programs -- 6.4.2 Priority queuing -- 6.5 Custom volumes -- 6.6 FICON host adapters -- 6.6.1 FICON benefits -- 6.6.2 FICON I/O operation -- 6.6.3 FICON benefits at your installation -- 6.7 Host adapters configuration -- Chapter 7. Copy functions -- 7.1 ESS Copy Services functions -- 7.2 Managing ESS Copy Services -- 7.2.1 ESS Copy Services Web user interface -- 7.2.2 ESS Copy Services command-line interface (CLI) -- 7.2.3 TSO commands -- 7.3 ESS Copy Services setup -- 7.4 FlashCopy -- 7.4.1 Overview -- 7.4.2 Consistency -- 7.4.3 FlashCopy management on the zSeries -- 7.4.4 FlashCopy management on the open systems -- 7.5 Peer-to-Peer Remote Copy (PPRC) -- 7.5.1 PPRC overview -- 7.5.2 PPRC volume states -- 7.5.3 PPRC with static volumes -- 7.5.4 PPRC management on the zSeries -- 7.5.5 PPRC management on the open systems -- 7.6 PPRC implementation on the ESS -- 7.7 PPRC Extended Distance (PPRC-XD) -- 7.7.1 PPRC-XD operation -- 7.7.2 Data consistency -- 7.7.3 Automation -- 7.7.4 PPRC-XD for initial establish -- 7.7.5 Implementing and managing PPRC Extended Distance -- 7.8 PPRC connectivity -- 7.8.1 PPRC supported distances -- 7.8.2 PPRC channel extender support -- 7.8.3 PPRC Dense Wave Division Multiplexor (DWDM) support -- 7.9 Concurrent Copy -- 7.10 Extended Remote Copy (XRC) -- 7.10.1 Overview -- 7.10.2 Invocation and management of XRC -- 7.10.3 XRC implementation on the ESS -- 7.10.4 Coupled |
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Extended Remote Copy (CXRC) -- 7.10.5 XRC FICON support -- 7.11 ESS Copy Services for iSeries -- 7.11.1 The Load Source Unit (LSU) -- 7.11.2 Mirrored internal DASD support -- 7.11.3 LSU mirroring. |
7.11.4 FlashCopy. |
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