Hitachi 9900 High-performance Back-end 5 Design, High-speed All Fibre Channel Back-end Design

High-performance Back-end 5 Design

High-speed All Fibre Channel Back-end Design

Special high-performance back-end drives are available with the Hitachi Freedom Storage™ Lightning 9900™ V Series. All the drives are 3.5" Low Profile (LP) 1"-height form factor with capacities available in 36GB, 73GB, and 146GB drives. The 36GB drives spin at 15,000RPM, and the 73GB and 146GB drives spin at 10,000RPM.

Each FC-AL path is driven with a dedicated processor. The diagram of a Lightning 9900 V Series ACP pair is shown in Figure 18. The Lightning 9900 V Series uses advanced algorithms for managing performance of ACP pairs.

Figure 18 – Functional diagram of an Array Group with FC-AL disks.

Figure 19 – Diagram of four ACP pairs and 32 FC-AL back-end disks for the Lightning 9980V™ system.

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