Hitachi 9900 manual Standard Redundant Fans for Cooling, Competitive Advantage in RAID Choices

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Hitachi Freedom Storage Lightning 9900 V Series Availability is Highest in the Industry

Standard Redundant Fans for Cooling

The Lightning 9900 V Series provides fully redundant fans for uninterrupted cooling to all components of the system. The speed and operation of these fans are monitored by the environmental monitoring system. If a fan should fail, it can be “hot swapped” without disruption to the cooling system.

Competitive Advantage in RAID Choices

The flexibility in choice for Lightning 9900 V Series RAID protection for disk drives is unmatched. It is important to have choices in RAID protection since files and data have different characteristics in terms of user required performance, uptime, and rebuild times. RAID-1+ (mirroring) offers the highest performance (read from either disk in the mirror pair) during normal operation. RAID-1+ also offers the highest performance in the event of a failed disk since it is not necessary to read parity (and then data) in the event of a disk failure in other RAID configurations.

The Lightning 9900 V Series also offers the capability to intermix RAID levels within a system, depending on the level of availability and performance required by the data hosted on the Lightning 9900 V Series system. For example, a single Lightning 9900 V Series system can configure both RAID-1+ and RAID-5.

With the Lightning 9900 V Series flexible LUN configuration feature, the user can select LUN sizes as small as 46MB or as large as almost 2TB (using LUSE).

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Contents Page Page Page Hitachi Data Systems Table of Contents RAID-1+ Hitachi Freedom Storage Software Solutions Are Best of Breed Global Solutions Services C-HSN of a Lightning 9970V system provides fully redundant Table of FiguresTables Redefining the Industry Standard, Once Again IntroductionLightning 9900 V Series Product Offerings Comparison of Lightning 9900 V Series modelsAn Overview of the Lightning 9900 V Series Architecture IntroductionLimitation 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 Frames Lightning 9980V system Array Frame with its major componentsHitachi Freedom Storage Lightning 9970V System Packaging Hitachi Freedom Storage Lightning 9900 V Series PackagingSystem Monitoring Network of the Lightning 9900 V Series Lightning 9970V system single- cabinet storage systemPage About the Fibre Channel Interface Boards Page Number of Host Interfaces Supported Bandwidth of Supported Host InterfacesCache Hierarchical Star Network Internal Hi-StarArchitectureControl Memory Hierarchical Star Network Cache Switch Provides Non-blocking Switched Access to CacheAdvanced Cache Algorithms of the Lightning 9900 V Series Read-ahead for High-performance Sequential ReadsPage Hitachi Data Systems High-speed All Fibre Channel Back-end Design High-performance Back-end 5 DesignMaximum Configuration of ACPs and Disks Importance of Command Tag Queuing CTQNew Fibre Channel Disk Drives RAID Rebuild Capability Capacities and RAID ArchitectureAdvantages of the Lightning 9900 V Series RAID Hardware RAID-5 Distributed ParityHigh-density Disk Drive HDD Assemblies Software Products Contribute to High-availability Computing An Overview of High-availability HA Computing SoftwareOpen Systems High-availability Middleware Support Host Failover Parallel Database Clustering Standard Hot Swap and Redundant Power SuppliesCompetitive Advantage in RAID Choices Standard Redundant Fans for CoolingHitachi Data Systems Truly Scalable Performance Unmatched Performance and ScalabilityHitachi Data Systems Storage Area Management Suite Hitachi Freedom Storage Software Solutions AreOS Support Software Suite Summary of Hitachi Freedom Storage software productsBusiness Continuity Suite Performance Enhancement Suite Backup and Recovery SuiteData Movement Suite Hitachi Data Systems Powerful and Open Systems Management Philosophy HiCommandHitachi Data Systems CIM Benefits to Customers Open, Standards-based ApproachAvoid Being Locked into a Proprietary Management Environment View and Operate Networked Storage as a Holistic ResourceOut-of-band Management Product SupportHost Storage Domains Java AgentHitachi SANtinel Software Hitachi Virtual LUN and LUN Expansion Software Remote Console Storage Navigator Cache Manager Host Agent HiReturn Investment Analysis Tool Kit Phase 2 On-site, One-day AssessmentHitachi Data Systems Global Solutions Services Global Solutions Services OverviewBasic Implementation Service for InterSAN Pathline Integration Service for Hitachi ShadowImage Software Implementation Service for Hitachi TrueCopy SoftwareIntegration Service for Hitachi TrueCopy Software Implementation Service for Hitachi ShadowImage SoftwareFiber Design and Implementation Service Global Solutions ServicesOpen Systems Data Migration Planning Service Infrastructure Planning Service for FiconStorage Consolidation Planning and Design Service Storage Consolidation Implementation ServiceGlossary of Terms ACPAPI Carb CHT CHAChip HSNDAS CTQECC DRRDSS DTAFC-AL FCAFicon File BackupFreedom Data Networks Fibre ChannelHDD GUIHitachi Graph-Track Hitachi FlashAccessHitachi Multiplatform Backup/Restore Hitachi Dynamic Link ManagerHitachi RapidXchange Hitachi Priority AccessHitachi Rapid Recovery Hitachi Multiplatform Resource SharingHSD LAN LRU LUNLpar LuseNAS MplfMtbf MttrOltp NdmpNVM NvramPOD SAN RAIDSVP ScsiSLA SnmpTCO TCPVeritas WAN WWNXRC Hitachi Data Systems Worldwide Offices