RAID-1+ | Hitachi 9900 instruction

Hitachi Data Systems

Advanced Cache Algorithms of the Lightning 9900 V Series	18
Hitachi FlashAccess Software Allows Data Sets to be Permanently Placed in Cache	18
Read-ahead for High-performance Sequential Reads	18
Control Memory Hierarchical Star Network	18
Chapter 5 – High-performance Back-end Design ____________________________________________21
High-speed All Fibre Channel Back-end Design	21
Maximum Configuration of ACPs and Disks	22
New Fibre Channel Disk Drives	22
The Importance of Command Tag Queuing (CTQ)	22
Chapter 6 – Capacities and RAID Architecture ____________________________________________23
Storage Capacity of the Hitachi Freedom Storage Lightning 9900 V Series	23
Advantages of the Lightning 9900 V Series RAID Hardware	23
RAID-1+	23
RAID-5 – Distributed Parity	23
RAID Rebuild Capability	23
High-density Disk Drive (HDD) Assemblies	24
Chapter 7 – Hitachi Freedom Storage Lightning 9900 V Series Availability Is Highest in the Industry 25
An Overview of High-availability (HA) Computing Software	25
Software Products Contribute to High-availability Computing	25
The Lightning 9900 V Series Has an Advanced Availability Profile Compared to Competitive Products 25
Open Systems High-availability Middleware Support	26
Alternate Pathing Middleware Switches the I/O Load in the Event of Path Failure	27
Hitachi Dynamic Link Manager Software Provides Path Failover and Load Balancing	27
Host Failover	27
Parallel Database Clustering	28
Standard Hot Swap and Redundant Power Supplies	28
Standard Redundant Fans for Cooling	29
Competitive Advantage in RAID Choices	29
Chapter 8 – Unmatched Performance and Scalability ________________________________________31
Truly Scalable Performance	31
Internal Switching Overcomes the Limitations of Shared-bus Architectures	31
There Is NO Match for the Performance of the Lightning 9980V System	31

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Hitachi 9900 manual RAID-1+

Contents

Page Page Page Hitachi Data Systems Table of Contents RAID-1+ Hitachi Freedom Storage Software Solutions Are Best of Breed Global Solutions Services Table of Figures C-HSN of a Lightning 9970V system provides fully redundant Tables Introduction Redefining the Industry Standard, Once Again Comparison of Lightning 9900 V Series models Lightning 9900 V Series Product Offerings Introduction An Overview of the Lightning 9900 V Series Architecture Limitation of Competitive Shared-bus Architectures Reduced TCO Second-generation Virtual Switched Storage Heterogeneous solutions today Hitachi Data Systems Hitachi Freedom Storage Lightning 9900 V Series Packaging Hitachi Freedom Storage Lightning 9980V System PackagingLightning 9980V System Control Frame Lightning 9980V system Array Frame with its major components Lightning 9980V System Array Frames Hitachi Freedom Storage Lightning 9900 V Series Packaging Hitachi Freedom Storage Lightning 9970V System Packaging Lightning 9970V system single- cabinet storage system System Monitoring Network of the Lightning 9900 V SeriesPage About the Fibre Channel Interface Boards Page Bandwidth of Supported Host Interfaces Number of Host Interfaces Supported Internal Hi-StarArchitecture Cache Hierarchical Star Network Read-ahead for High-performance Sequential Reads Cache Switch Provides Non-blocking Switched Access to CacheAdvanced Cache Algorithms of the Lightning 9900 V Series Control Memory Hierarchical Star NetworkPage Hitachi Data Systems High-performance Back-end 5 Design High-speed All Fibre Channel Back-end Design Maximum Configuration of ACPs and Disks Importance of Command Tag Queuing CTQNew Fibre Channel Disk Drives RAID-5 Distributed Parity Capacities and RAID ArchitectureAdvantages of the Lightning 9900 V Series RAID Hardware RAID Rebuild Capability High-density Disk Drive HDD Assemblies An Overview of High-availability HA Computing Software Software Products Contribute to High-availability Computing Open Systems High-availability Middleware Support Host Failover Standard Hot Swap and Redundant Power Supplies Parallel Database Clustering Standard Redundant Fans for Cooling Competitive Advantage in RAID Choices Hitachi Data Systems Unmatched Performance and Scalability Truly Scalable Performance Hitachi Data Systems Hitachi Freedom Storage Software Solutions Are Storage Area Management Suite Summary of Hitachi Freedom Storage software products OS Support Software Suite Business Continuity Suite Backup and Recovery Suite Performance Enhancement Suite Data Movement Suite Hitachi Data Systems HiCommand Powerful and Open Systems Management Philosophy Hitachi Data Systems Open, Standards-based Approach CIM Benefits to Customers View and Operate Networked Storage as a Holistic Resource Avoid Being Locked into a Proprietary Management Environment Product Support Out-of-band Management Java Agent Host Storage Domains Hitachi SANtinel Software Hitachi Virtual LUN and LUN Expansion Software Remote Console Storage Navigator Cache Manager Host Agent Phase 2 On-site, One-day Assessment HiReturn Investment Analysis Tool Kit Hitachi Data Systems Global Solutions Services Global Solutions Services OverviewBasic Implementation Service for InterSAN Pathline Implementation Service for Hitachi ShadowImage Software Implementation Service for Hitachi TrueCopy SoftwareIntegration Service for Hitachi TrueCopy Software Integration Service for Hitachi ShadowImage Software Global Solutions Services Fiber Design and Implementation Service Storage Consolidation Implementation Service Infrastructure Planning Service for FiconStorage Consolidation Planning and Design Service Open Systems Data Migration Planning Service Glossary of Terms ACPAPI Carb HSN CHAChip CHT CTQ DAS DTA DRRDSS ECC FCA FC-AL Fibre Channel File BackupFreedom Data Networks Ficon GUI HDD Hitachi Dynamic Link Manager Hitachi FlashAccessHitachi Multiplatform Backup/Restore Hitachi Graph-Track Hitachi Multiplatform Resource Sharing Hitachi Priority AccessHitachi Rapid Recovery Hitachi RapidXchange HSD LAN Luse LUNLpar LRU Mttr MplfMtbf NAS Nvram NdmpNVM Oltp POD RAID SAN Snmp ScsiSLA SVP TCO TCPVeritas WAN WWNXRC Hitachi Data Systems Worldwide Offices