Hp Smart Array 6i Controller and 128MB BBWC Instrukcja Użytkownika Pobierz pdf (Strona 44)

44 HP Smart Array 6i Controller User Guide

When the array has more than two physical drives, drives are mirrored in pairs.

In each mirrored pair, the physical drive that is not busy answering other requests

answers any read requests that are sent to the array. (This behavior is called load

balancing.) If a physical drive fails, the remaining drive in the mirrored pair can

still provide all the necessary data. Several drives in the array can fail without

incurring data loss, as long as no two failed drives belong to the same mirrored

pair.

This fault-tolerance method is useful when high performance and data protection

are more important than the cost of physical drives.

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Hp Smart Array 6i Controller and 128MB BBWC Instrukcja Użytkownika Strona 44