225D-Link ShareCenter DNS-325 User Manual
Section 5 - Knowledge Base
RAID 0 provides data striping, which spreads out
blocks of data over all drives, but does not provide
data redundancy.
Although performance is improved, the lack of
fault tolerance means that if one drive fails, all data
in the array will be lost.
RAID 1 RAID 1 provides mirroring over multiple disks, with the
same read/write speed of a single disk. A RAID 1 array can
only be as large as it’s smallest member disk.
Because the data is stored on multiple disks,
RAID 1 provides fault tolerance and protection, in
addition to performance advantages.
RAID 0
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