Hitachi 9900 Series, 9960 Hitachi Data Systems, The most powerful storage system in the world

Hitachi Data Systems

Table 1 – Comparison of the Lightning 9900™ Series models.

Product Characteristics	9960		9910
Number of Cabinets	2-7		1
Maximum Cache Capacity	32	GB	16 GB
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 RAID-5 Capacity	54	GB	54 GB
Maximum usable RAID-5 Capacity	66.2 TB		6.2 TB

Selecting the 9910 or the 9960 is dependent on capacity requirements and expected growth of data. The Lightning 9900™ Series therefore offers product alternatives that cover a very broad range of scalability as illustrated in Figure 1.

Figure 1 – The 9960 provides for exploding growth and data consolidation while the 9910 provides for managed growth and open system exploitation.

The most powerful storage system in the world.

An Overview of the Hitachi Lightning 9900™ Series Architecture

The Lightning 9900™ Series intelligent storage array is the most powerful enterprise storage system in the industry today. The new architecture used in the Lightning 9900™ Series is specifically designed for the brutal I/O demands of open systems environments. Extremely high internal bandwidths, high-speed back-end design, scalable internal pathways, increased processor speeds, and increased number of processors, larger cache sizes, and a new and improved high-performance RAID-1 (called RAID-1+) sets the Lightning 9900™ Series apart from all other storage systems. Figure 2 illustrates the architecture of the Lightning 9900™ Series.

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