N-RAID (Non-RAID)
N-RAID, which stands for Non-RAID, is also known as
Concatenated and
Spanning. Some
manufacturers still refer to N-RAID as JBOD, but this is on the decline. In an N-RAID system, physical
drives are put together without RAID to form one logical volume. Data is simply moved intact to the
drives until they are full. For example in a 2 drive N-RAID/SPAN set, a large video file is moved onto
the volume. Behind the scenes it takes up the majority of one drive. The next large file will be loaded
onto the other drive in the set with smaller files being moved intact onto open space. You do not need
matching drives.
In an N-RAID/SPAN set, you can add additional drives as needed for increased storage space without
having to reformat or move your existing data.
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