Rocstor BIGROC 1S Instrukcja Użytkownika Pobierz pdf (Strona 21)

RAID 10 (1+0)

In RAID 1+0, the data is first mirrored and then striped. Under this RAID Mode, it provides

another way to achieve higher performance and data security, while increasing complexity.

It is usually called “a mirror of stripes.” RAID 1+0 mode provides excellent data protection and

fault tolerance. The speed of operation is fast in comparison to other RAID modes (except RAID

0).

The key difference between RAID 1+0 and RAID 1+0 is that RAID 1+0 creates a striped set from

a series of mirrored drives. In a failed disk situation, RAID 1+0 performs better because all the

remaining disks can continue to be used. The array can sustain multiple drive losses as long as

none of the mirror set loses all of its drives.

Under the RAID 1+0 Mode, 4 HDDs in an array are required. However, the storage

capacity is only 2 HDDs and is limited to size of the smallest HDD.

In RAID 10 (1+0) mode, if any 2 of the 4 disks fail at the same time, the data can still be

reconstructed when they are replaced with new HDDs. However, if both failed disks

are in either HDD slots 2 & 3 or 1 & 4, the data will be lost.

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