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Hitachi Data Systems ii
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Table of Contents Table of Contents ......................................................................................................................................iii Table of Figures ........................................................................................................................................vii Table of Tables ........................................................................................................................................viii Chapter 1 –
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Hitachi Data Systems Advanced Cache Algorithms of the Lightning 9900 Series ......................................................................18 Hitachi FlashAccess Allows Datasets to be Permanently Placed in Cache ................................................18 Read-ahead for High-performance Sequential Reads ................................................................................18 The Control Memory Hierarchical Star Network .....................................................
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Chapter 9 – The Lightning 9900 Series Software Solutions Are the Best in the World ______________33 Increased IT service levels in availability and performance through Business Continuity Planning (BCP) software and services......................................................................................................................34 Remote Copy, Data Duplication, Data Migration Defined ......................................................................35 Remote Copy ................
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Hitachi Data Systems Hitachi NanoCopy Implementation Service......................................................................................46 Continuous Availability Service ........................................................................................................47 On-line Data Migration Service ........................................................................................................47 SAN Services .............................................................
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Table of Figures Figure 1 The 9960 provides for exploding growth and data consolidation while the 9910 provides for managed growth and open system exploitation. ................................................2 Figure 2 The Hitachi Lightning 9960 Series’ Hi-Star internal switched-fabric architecture.................3 Figure 3 System block diagram of the 7700E’s shared bus architecture. ..............................................4 Figure 4 A 9960 Control Frame and its
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Hitachi Data Systems Tables Table 1 Comparison of the Lightning 9900 series models. ................................................................2 Table 2 Bandwidth of supported interfaces of the Lightning 9900 Series. ......................................14 Table 3 System Capacities and Number of disk drives for various configurations. ..........................23 Table 4 Summary of Hitachi Freedom Storage software products and the business objectives they serve. ...........................
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Introduction 1 The Only Switched-Fabric Storage Architecture in the World ™ ™ The Hitachi Freedom Storage Lightning 9900 Series internal switched-fabric storage The most advanced architecture is considered the most advanced design available in the world for open systems design in storage. ™ and mainframe data. The patented Hi-Star architecture powers the most intelligent, highest performance enterprise-class storage product in the industry today. ™ 1. Hi-Star , a modern switched-fabric storag
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Hitachi Data Systems Product Characteristics 9960 9910 Number of Cabinets 2-7 1 Table 1 – Comparison of ™ Maximum Cache Capacity 32 GB 16 GB the Lightning 9900 ® Series models. Number of Fibre Channel/ESCON Ports Up to 32 Up to 24 Number of FICON Ports Up to 16 Up to 12 Number of Disks (HDDs) Up to 512 Up to 48 Number of Array Groups Up to 126 Up to 11 Number of ACP pairs 1-4 1 Number of FC-AL Paths to Back-end Disks Up to 32 Up to 8 Maximum TB of Raw Disk Capacity 88 TB+ 8 TB+ Minimum usable RA
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Introduction Figure 2 – The Hitachi ™ Lightning 9960 Series’ ™ Hi-Star internal switched-fabric architecture. ™ At the heart of the Lightning 9900 Series’ enormous capacity for throughput lies ™ the Hi-Star architecture. This network of interconnecting high-speed links to system components provides an unequaled internal aggregate bandwidth of 6.4GB/sec (gigabytes/sec) in the 9960. This bandwidth is divided equally into 3.2GB/sec for data transfer and 3.2GB/sec for separate internal control infor
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Hitachi Data Systems Comparison to the Shared Bus Architecture of the Hitachi Freedom ™ Storage 7700E Unlike the shared common bus architecture of previous generation storage products, Bus contention is such as the 7700E (as shown in Figure 3 for reference to a shared bus architecture), virtually eliminated with ™ Hi-Star is designed to truly scale in both capacity and performance. This is possible only ™ the Hi-Star ™ with the Lightning 9900 Series’ internally switched architecture which, unlik
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Introduction ® Other Information Sources Available from Hitachi Data Systems Additional information on the enterprise storage market, including an in-depth overview of the technically advanced and unsurpassed software solutions available from Hitachi, is available in the companion publication, the Hitachi Software Solutions Guide. This document is downloadable in PDF format from www.hds.com. The report contains expert guidelines regarding Hitachi industry leading software solutions for data copy
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Hitachi Data Systems 6
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The Lightning 9900 Series 2 Packaging Model 9960 Packaging ™ The Lightning 9960 is available in a two to seven cabinet configuration (as shown on the cover of this guide), depending on connectivity and capacity needs. A Control Frame serves as the control center of each system and manages up to six Array Frames that are connected via high speed Fibre Channel links. A fully configured system is contained in seven cabinets 70.5 inches high, 171.3 inches wide, and 31.5 inches deep. Model 9960 Con
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Hitachi Data Systems Model 9960 Array Frames Array frames 1-4 of the 9960 contain up to 96 Hard Disk Drive Assemblies (HDDs) and communication interfaces to the Control Frame. Array frames 5-6 contain up to 64 drives for a total of 512 drives for a maximum configured system. An Array Frame is shown in Figure 5. This design allows for efficient centralized and consolidated storage, which results in reduced management costs and lower overall total cost of ownership. Figure 5 – A 9960 Array Frame
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The Lightning 9900 Series Packaging Cables carry 48-volt main system power from the back of the Control Frame and Array Frame where the power is converted to the required voltages. ™ Different AC power cord options allow all Lightning 9900 Series models to connect with the different electrical outlet configurations used around the world. Figure 6 – A power supply module of a ™ Lightning 9900 Series system. Model 9910 Packaging Although the 9960 has the ability to be upgraded from one to six arra
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Hitachi Data Systems Figure 7 – A 9910 single-cabinet storage subsystem. ™ The System Monitoring Network of the Lightning 9900 Series ™ ™ The Lightning 9900 Series systems are designed with a system-monitoring network. The Lightning 9900 The system monitoring cables are connected to all cabinets in the Lightning 9900 Series Series systems have both systems, and report a variety of system parameters, such as component failure, fan speed, a predictive maintenance power, voltages, and temperature,
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Front-end Design of the 3 Hitachi Lightning 9900 Series ® CHIPs Support Fibre Channel Host and ESCON or FICON Host Connectivity and Scalability ™ The Lightning 9900 Series supports both Fibre Channel for open systems and ® ® ESCON or FICON for S/390 compatible platforms as shown in Figure 8. Figure 8 – Fibre Channel ® and ESCON or FICON adapter boards connect to open systems and mainframe computers. 11
