Hp Smart Array 6i Controller and 128MB BBWC Manual de usuario descargar pdf (Pagina 38)

38 HP Smart Array 6i Controller User Guide

At any given RAID level, the probability of logical drive failure increases as the

number of physical drives in the logical drive increases. This is illustrated more

quantitatively in the graph ("Probability of Logical Drive Failure vs. Number of

Drives in Array" on page 38

). The data for this graph is calculated from the

MTBF value for a typical physical drive, assuming that no online spares are

present. If an online spare is added to any of the fault-tolerant RAID

configurations, the probability of logical drive failure is further decreased.

Probability of Logical Drive Failure vs. Number of Drives in

Array

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Hp Smart Array 6i Controller and 128MB BBWC Manual de usuario Pagina 38