Chapter 2 Storage Overview
(4) NEC Storage 1000 series
NEC Storage 1000 series, entry model disk array of NEC Storage series, realizes the little space
consuming (One controller and maximum of 15 PDs may be loaded to 3U) and high availability
(main components are redundant).
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(1) Components
The NEC Storage series disk array is composed of Disk Array Controller (DAC), which carries
the component of control systems, such as host director, disk director and cache, and disk
enclosure (DE) that carries two or more Physical Disks controlled by DAC.
Figure 2-1 Disk Array Composition (NEC Storage 4000 series)
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Array Group 2
Array Group 1
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