QNAP VS-8124U-RP PRO+ Bedienungsanleitung PDF herunterladen (Seite 211)

211

RAID 6 Disk Volume

The data are striped across all

the hard drives in a RAID 6 array.

RAID 6 differs from RAID 5 that a

second set of parity information

is stored across the member

drives in the array. It tolerates

failure of two hard drives.

To create a RAID 6 disk volume, a

minimum of 4 hard drives are

required. The storage capacity of

a RAID 6 array is equal to (N-2) *

(size of smallest hard drive). N is

the number of hard drives in the

array.

RAID 10 Disk Volume

RAID 10 combines four or more

disks in a way that protects data

against loss of non-adjacent

disks. It provides security by

mirroring all data on a secondary

set of disks while using striping

across each set of disks to speed

up data transfers.

RAID 10 requires an even

number of hard drives (minimum

4 hard drives). The storage

capacity of RAID 10 disk volume

is equal to (size of the smallest

capacity disk in the array) * N/2.

N is the number of hard drives in

the volume.

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