Some RAID keep data parity, so in case that one of the disks is damaged, by adding one new and blank the system, We can restore it and not lose any data, other arrays do not hold parity, but to read and write simultaneously on multiple disks that the operating system sees as one single, We gain speed of reading and writing in the file system.
Baadhi UVAMIZI kuweka usawa wa data, hivyo katika kesi kuwa moja wapo ya diski limeharibika, kwa kuongeza moja mpya na wazi mfumo wa, Tunaweza kuirejesha na kupoteza data yoyote, wengine mikusanyiko iliyo kushikilia usawa, Lakini kwa kusoma na kuandika wakati huo huo kwenye diski kadhaa kwamba mfumo endeshi anaona kama moja kwa moja, Sisi kupata kasi ya kusoma na kuandika katika mfumo wa faili.