Foxconn M61PML English Manual - Page 74

RAID 0 Striped, RAID 1 Mirror, Comparison Table

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RAID 0 (Striped) RAID 0 reads and writes sectors of data interleaved among multiple drives. If any disk member fails, it affects the entire array. The disk array data capacity is equal to the number of drive members times the capacity of the smallest member. RAID 0 does not support fault tolerance. RAID 1 (Mirror) RAID 1 writes duplicate data onto a pair of drives and reads both sets of data in parallel. If one of the mirrored drives suffers a mechanical failure or does not respond, the remaining drive will continue to function. Due to redundancy, the drive capacity of the array is the capacity of the smallest drive. RAID 0+1 (Striped Mirror) RAID 10 is a combination of striping and mirroring. This configuration provides optimal speed and reliability, but you need four SATA hard disks. 5 Comparison Table : Solution RAID0 RAID1 RAID0+1 Hard Disks No. >=2 2 >=4 (Even number) Capacity All 50% Smallest *2 Performance Highest Read faster High Reliability Dangerous Excellent Excellent Application Look for speed 100% Data backup Unlimited budget 67

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5
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RAID 0 (Striped)
RAID 0 reads and writes sectors of data interleaved among multiple drives. If any disk
member fails, it affects the entire array. The disk array data capacity is equal to the
number of drive members times the capacity of the smallest member.
RAID 0 does
not support fault tolerance.
RAID 1 (Mirror)
RAID 1 writes duplicate data onto a pair of drives and reads both sets of data in
parallel. If one of the mirrored drives suffers a mechanical failure or does not respond,
the remaining drive will continue to function. Due to redundancy, the drive capacity of
the array is the capacity of the smallest drive.
RAID 0+1 (Striped Mirror)
RAID 10 is a combination of striping and mirroring. This configuration provides optimal
speed and reliability, but you need four SATA hard disks.
Comparison Table :
Solution
Hard Disks No.
Capacity
Performance
Reliability
Application
RAID0
>=2
All
Highest
Dangerous
Look for speed
RAID1
2
50%
Read faster
Excellent
100% Data backup
RAID0+1
>=4
(Even number)
Smallest
*2
High
Excellent
Unlimited budget