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2-10 Architecture and Components

Hitachi Universal Storage Platform V/VM User and Reference Guide

Figure 2-3 illustrates a conceptual array domain. All functions, paths, and data

drives controlled by one BED pair are called an “array domain.” An array

domain can contain a variety of LVI and/or LU configurations. RAID-level

intermix (all RAID types) is allowed within an array domain (under a BED pair)

but not within an array group.

62 63 00 01

Fibre Por

BED Pair

Fibre Loop

Max. 64 drives per FCAL

62 63 00 01

BED

(CL1)

BED

(CL2)

RAID group (3D+1P

2D+2D)

1: A RAID group (3D+1P/2D+2D) consists of fibr e port number 0, 2, 4, and 6, or 1, 3, 5 and 7.

RAID group (7D+1P

4D+4D)

Fibre Port Number

Figure 2-3 Conceptual Array Domain

1 2 ... 31 32 33 34 35 36 37 38 39 40 41 ... 101 102

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Hitachi Universal Storage Platform VM Manual do Utilizador Página 36