EasyRAID E6 Guía de usuario descargar pdf (Pagina 19)

Introduction

RAID level 5 arrays have unique performance characteristics :

The data can be recalculated or regenerated, using parity,

when any drive in the array fails.

When the failed drive is replaced, either automatically if the

subsystem contained a hot spare drive, or by user intervention

during a scheduled maintenance period, the system will be

restored its full data redundancy configuration by rebuilding all

of the data that had been stored on the failed drive onto the

new drive. This is accomplished using parity information and

data from the other data disks. Once the rebuild process is

complete, all data is again protected from loss due to any

failure of a single disk drive.

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EasyRAID E6 Guía de usuario Pagina 19