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Appendix B – Introduction to RAID levels
NRAID
NRAID ("Non-RAID") , the capacity of all the drives is combined to become one logical drive
(no block striping). That is to say, the capacity of the logical drive is the total capacity of the
physical drives. NRAID does not provide data redundancy
NRAID: Disk spanning
Characteristics:
No fault-tolerance.
Minimum no. of drives:1
Storage capacity = Sum of constituent drive
capacities
Arrangement of data saved on a NRAID
Recommended use:
For most uses not
requiring
fault
tolerance, RAID 0 is
better.
Mass data, NRAID is
only
good
applications
where
large and expandable
capacity is required
while performance is
of no concern and the
capacity of disks is
different.
Storage
for
87
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