BenutzerhandbuchInhaltsverzeichnisFront cover1Contents7Notices15Trademarks16Summary of changes17March 2005, First Edition17Preface19The team that wrote this redbook19Become a published author23Comments welcome23Part 1 Introduction25Chapter 1. Introducing the IBM TotalStorage DS6000 series271.1 The DS6000 series, a member of the TotalStorage DS Family281.1.1 Infrastructure simplification281.1.2 Business continuity281.1.3 Information lifecycle management281.2 IBM TotalStorage DS6000 series unique benefits291.2.1 Hardware overview301.2.2 Storage capacity321.2.3 DS management console321.2.4 Supported environment331.2.5 Business continuance functions341.2.6 Resiliency371.2.7 Interoperability371.2.8 Service and setup371.2.9 Configuration flexibility381.3 Positioning the IBM TotalStorage DS6000 series391.3.1 Common set of functions401.3.2 Common management functions401.3.3 DS6000 series compared to other members of the TotalStorage DS Family401.3.4 Use with other virtualization products421.4 Performance421.4.1 Tagged Command Queuing421.4.2 Self-learning cache algorithms - SARC421.4.3 IBM multipathing software431.4.4 Performance for zSeries43Part 2 Architecture45Chapter 2. Components472.1 Server enclosure482.2 Expansion enclosure492.3 Controller architecture492.3.1 Server-based design512.3.2 Cache management512.4 Disk subsystem532.5 Server enclosure RAID controller card572.5.1 Technical details572.5.2 Device adapter ports572.5.3 Host adapter ports582.5.4 SFPs582.6 Expansion enclosure SBOD controller card592.7 Front panel612.8 Rear panel622.9 Power subsystem642.9.1 Battery backup units652.10 System service card662.11 Storage Manager console662.12 Cables662.13 Summary67Chapter 3. RAS693.1 Controller RAS703.1.1 Failover and failback703.1.2 NVS recovery after complete power loss723.1.3 Metadata checks733.2 Host connection availability733.2.1 Open systems host connection753.2.2 zSeries host connection753.3 Disk subsystem RAS763.3.1 RAID-5 overview763.3.2 RAID-10 overview773.3.3 Spare creation783.3.4 Predictive Failure Analysis (PFA)793.3.5 Disk scrubbing793.3.6 Disk path redundancy793.4 Power subsystem RAS803.5 System service813.5.1 Example 1: Using light path indicators to replace a DDM813.5.2 Example 2: Using the GUI to replace a power supply813.5.3 System indicators843.5.4 Parts installation and repairs853.6 Microcode updates863.7 Summary87Chapter 4. Virtualization concepts894.1 Virtualization definition904.2 The abstraction layers for disk virtualization904.2.1 Array sites914.2.2 Arrays924.2.3 Ranks934.2.4 Extent pools944.2.5 Logical volumes964.2.6 Logical subsystems (LSS)994.2.7 Address groups1014.2.8 Volume access1014.2.9 Summary of the virtualization hierarchy1034.2.10 Placement of data1044.3 Benefits of virtualization105Chapter 5. IBM TotalStorage DS6000 model overview1075.1 DS6000 highlights1085.1.1 DS6800 Model 1750-5111085.1.2 DS6000 Model 1750-EX11095.2 Designed to scale for capacity110Chapter 6. Copy Services1136.1 Introduction to Copy Services1146.2 Copy Services functions1146.2.1 Point-in-Time Copy (FlashCopy)1146.2.2 FlashCopy options1166.2.3 Remote Mirror and Copy (Peer-to-Peer Remote Copy)1216.2.4 Comparison of the Remote Mirror and Copy functions1276.2.5 What is Consistency Group?1296.3 Interfaces for Copy Services1326.3.1 DS Management Console1326.3.2 DS Storage Manager Web-based interface1336.3.3 DS Command-Line Interface (CLI)1336.3.4 DS open application programming interface (API)1346.4 Interoperability with ESS1356.5 Future Plan135Part 3 Planning and configuration137Chapter 7. Installation planning1397.1 General considerations1407.2 Installation site preparation1407.2.1 Floor and space requirements1407.2.2 Power requirements1427.2.3 Environmental requirements1427.2.4 Preparing the rack1437.3 System management interfaces1437.3.1 IBM TotalStorage DS Storage Manager1437.3.2 DS Open application programming interface1447.3.3 DS Command-Line Interface1447.4 Network settings1457.5 SAN requirements and considerations1467.5.1 Attaching to an Open System host1477.5.2 FICON-attached zSeries Host1477.6 Software requirements1487.6.1 Licensed features148Chapter 8. Configuration planning1498.1 Configuration planning considerations1508.2 DS6000 Management Console1508.2.1 Configuration management of DS6000 system1518.2.2 DS Management Console connectivity1538.2.3 Local maintenance1538.2.4 Copy Services management1548.2.5 Remote service support1548.2.6 Call home1558.2.7 Simple Network Management Protocol (SNMP)1558.3 DS6000 licensed functions1558.3.1 Operating Environment License (OEL) - required feature1568.3.2 Point-in-Time Copy function (PTC)1578.3.3 Remote Mirror and Copy functions (RMC)1578.3.4 Parallel Access Volumes (PAV)1588.3.5 Server attachment license1588.3.6 Ordering license functions1588.3.7 Disk storage feature activation1618.4 Capacity planning1628.4.1 Physical configurations1628.4.2 Logical configurations1638.4.3 Sparing rules1658.5 Data migration planning1698.5.1 Operating system mirroring1708.5.2 Basic commands1708.5.3 Software packages1708.5.4 Remote copy technologies1708.5.5 Migration appliances1718.5.6 z/OS data migration methods1718.6 Planning for performance1728.6.1 Disk Magic1728.6.2 Number of host ports1738.6.3 Remote copy1738.6.4 Parallel Access Volumes (z/OS only)1738.6.5 I/O priority queuing (z/OS only)1738.6.6 Monitoring performance1738.6.7 Hot spot avoidance1748.6.8 Preferred paths174Chapter 9. The DS Storage Manager: Logical configuration1759.1 Configuration hierarchy, terminology, and concepts1769.1.1 Storage configuration terminology1769.1.2 Summary of the DS Storage Manager logical configuration steps1859.2 Introducing the GUI and logical configuration panels1879.2.1 Connecting to your DS60001879.2.2 Introduction and Welcome panel1889.2.3 Navigating the GUI1939.3 The logical configuration process1969.3.1 Configuring a storage complex1969.3.2 Configuring the storage unit1979.3.3 Configuring the logical host systems2009.3.4 Creating arrays from array sites2049.3.5 Creating extent pools2089.3.6 Creating FB volumes from extents2099.3.7 Creating volume groups2119.3.8 Assigning LUNs to the hosts2139.3.9 Deleting LUNs and recovering space in the extent pool2139.3.10 Creating CKD LCUs2149.3.11 Creating CKD volumes2149.3.12 Using the Express Configuration Wizard2159.3.13 Displaying the storage units WWNN in the DS Storage Manager GUI2169.4 Summary217Chapter 10. DS CLI21910.1 Introduction22010.2 Functionality22010.3 Supported environments22110.4 Installation methods22110.5 Command flow22210.6 User security22710.7 Usage concepts22710.7.1 Command modes22710.7.2 Syntax conventions22910.7.3 User assistance22910.7.4 Return codes23010.8 Usage examples23110.9 Mixed device environments and migration23210.9.1 Migration tasks23310.10 DS CLI migration example23310.10.1 Determining the saved tasks to be migrated23310.10.2 Collecting the task details23410.10.3 Converting the saved task to a DS CLI command23510.10.4 Using DS CLI commands via a single command or script23710.11 Summary240Part 4 Implementation and management in the z/OS environment241Chapter 11. Performance considerations24311.1 What is the challenge?24411.1.1 Speed gap between server and disk storage24411.1.2 New and enhanced functions24411.2 Where do we start?24511.2.1 SSA backend interconnection24611.2.2 Arrays across loops24611.2.3 Switch from ESCON to FICON ports24611.2.4 PPRC over Fibre Channel links24611.2.5 Fixed LSS to RAID rank affinity and increasing DDM size24611.3 How does the DS6000 address the challenge?24711.3.1 Fibre Channel switched disk interconnection at the back end24711.3.2 Fibre Channel device adapter25011.3.3 New four-port host adapters25011.3.4 Enterprise-class dual cluster design for the DS680025111.3.5 Vertical growth and scalability25311.4 Performance and sizing considerations for open systems25411.4.1 Workload characteristics25411.4.2 Data placement in the DS600025511.4.3 LVM striping25511.4.4 Determining the number of connections between the host and DS600025611.4.5 Determining the number of paths to a LUN25711.4.6 Determining where to attach the host25711.5 Performance and sizing considerations for z/OS25711.5.1 Connect to zSeries hosts25811.5.2 Performance potential in z/OS environments25811.5.3 An appropriate DS6000 size in z/OS environments25911.5.4 Configuration recommendations for z/OS26111.6 Summary264Chapter 12. zSeries software enhancements26712.1 Software enhancements for the DS600026812.2 z/OS enhancements26812.2.1 Scalability support26812.2.2 Large Volume Support (LVS)26912.2.3 Read availability mask support26912.2.4 Initial Program Load (IPL) enhancements27012.2.5 DS6000 definition to host software27012.2.6 Read Control Unit and Device Recognition for DS600027012.2.7 New performance statistics27112.2.8 Resource Measurement Facility (RMF)27112.2.9 Preferred pathing27212.2.10 Migration considerations27312.2.11 Coexistence considerations27312.3 z/VM enhancements27312.4 z/VSE enhancements27312.5 TPF enhancements274Chapter 13. Data Migration in zSeries environments27513.1 Define migration objectives in z/OS environments27613.1.1 Consolidate storage subsystems27613.1.2 Consolidate logical volumes27613.1.3 Keep source and target volume at the current size27713.1.4 Summary of data migration objectives27713.2 Data migration based on physical migration27813.2.1 Physical migration with DFSMSdss and other storage software27813.2.2 Software- and hardware-based data migration27913.2.3 Hardware- and microcode-based migration28213.3 Data migration based on logical migration28713.3.1 Data Set Services Utility (DFSMSdss)28813.3.2 Data migration within the system-managed storage environment28913.3.3 Summary of logical data migration based on software utilities29413.4 Combine physical and logical data migration29413.5 z/VM and VSE/ESA data migration29513.6 Summary of data migration296Part 5 Implementation and management in the open systems environment297Chapter 14. Open systems support and software29914.1 Open systems support30014.1.1 Supported operating systems and servers30014.1.2 Where to look for updated and detailed information30114.1.3 Differences to ESS 210530214.1.4 Boot support30314.1.5 Additional supported configurations (RPQ)30314.1.6 Differences in interoperability between DS6000 and DS800030314.2 Subsystem Device Driver30414.3 Other multipathing solutions30514.4 DS CLI30514.5 IBM TotalStorage Productivity Center30614.5.1 Device Manager30814.5.2 TCP for Disk30914.5.3 TPC for Replication31114.6 Global Mirror Utility31114.7 Enterprise Remote Copy Management Facility (eRCMF)31214.8 Summary312Chapter 15. Data migration in the open systems environment31315.1 Introduction31415.2 Comparison of migration methods31515.2.1 Host operating system-based migration31515.2.2 Subsystem-based data migration31915.2.3 IBM Piper migration32115.2.4 Other migration applications32215.3 IBM migration services32215.4 Summary322Appendix A. Operating systems specifics323General considerations324The DS6000 Host Systems Attachment Guide324Planning324UNIX performance monitoring tools325IOSTAT325System Activity Report (SAR)326VMSTAT327IBM AIX327Other publications328The AIX host attachment scripts328Finding the World Wide Port Names328Managing multiple paths329LVM configuration332AIX access methods for I/O332Boot device support333AIX on IBM iSeries333Monitoring I/O performance334Linux336Support issues that distinguish Linux from other operating systems336Existing reference material337Important Linux issues338Linux on IBM iSeries343Troubleshooting and monitoring344Microsoft Windows 2000/2003345HBA and operating system settings346SDD for Windows346Windows Server 2003 VDS support347HP OpenVMS348FC port configuration348Volume configuration349Command Console LUN350OpenVMS volume shadowing350Appendix B. Using the DS6000 with iSeries353Supported environment354Hardware354Software354Logical volume sizes354Protected versus unprotected volumes355Changing LUN protection355Adding volumes to iSeries configuration356Using 5250 interface356Adding volumes to an Independent Auxiliary Storage Pool358Multipath366Avoiding single points of failure367Configuring multipath368Adding multipath volumes to iSeries using 5250 interface369Adding volumes to iSeries using iSeries Navigator370Managing multipath volumes using iSeries Navigator373Multipath rules for multiple iSeries systems or partitions376Changing from single path to multipath377Preferred path for DS6000377Sizing guidelines377Planning for arrays and DDMs378Cache378Number of iSeries Fibre Channel adapters379Size and number of LUNs379Recommended number of ranks379Sharing ranks between iSeries and other servers380Connecting via SAN switches380Migration381OS/400 mirroring381Metro Mirror and Global Copy381OS/400 data migration382Copy Services for iSeries384FlashCopy384Remote Mirror and Copy384iSeries toolkit for Copy Services385AIX on IBM iSeries385Linux on IBM iSeries386Appendix C. Service and support offerings387IBM Web sites for service offerings388IBM service offerings388IBM Operational Support Services - Support Line390Related publications393IBM Redbooks393Other publications393Online resources394How to get IBM Redbooks395Help from IBM395Index397Back cover406Größe: 6,75 MBSeiten: 406Language: EnglishHandbuch öffnen
