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EVGA Z590 FTW WIFI User Manual page 65

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EVGA Z590 FTW WIFI (121-RL-E597)
RAID 5 (4 Drive)
P-DRIVE1
P-DRIVE2
P-DRIVE3
P-DRIVE4
DATA-A
DATA-B
DATA-C
DATA-A
DATA-B
DATA-C
DATA-A
DATA-B
DATA-C
DATA-A
DATA-B
DATA-C
L-Drive = DATA-ABC
P-DRIVE1
P-DRIVE2
P-DRIVE3
P-DRIVE4
DATA-A
DATA-B
DATA-C
DATA-A
DATA-B
DATA-C
DATA-A
DATA-B
DATA-C
DATA-A
DATA-B
DATA-C
L-Drive = DATA-ABC
RAID10
: RAID10 is the only level of nested RAID currently supported by the
integrated PCH controller. Nested RAID is the process where a controller makes
multiple RAID arrays, treating each of them as their own device and applies them to
ANOTHER RAID level. This type of virtualization allows you to have an array where
each node has its own level of redundancy.
In the instance of RAID10, it is two (2) or more Mirrored arrays (RAID1s) that are
striped together (RAID0). In effect, this is RAID0 where every physical drive (now
logical drive due to nested RAID functions) in the array is internally redundant via a
mirror. This means you can lose a drive and the data set is still present; when the drive is
replaced, it is replicated by the data internal to that node.
RAID10 is highly scalable. RAID10 always scales in two (2) drive increments, starting
with a minimum of four (4) drives. This motherboard series, however, only supports a
four (4) drive RAID10 array, with no option for scalability. Lastly, RAID10 is a mirrored
array, which means it shares the same 50% drive capacity, since all data has a 1:1 copy.
The Good-
Excellent Fault Tolerance
Good rebuild times
o Vastly superior rebuild times compared to the previous 0+1
methodology of nested RAID.
Overall performance is good; comparable or slightly faster than RAID5.
The Bad-
Low space efficiency.
o With the capacity of modern drives, this will likely be less of a
consideration than in previous years.
P-DRIVE1
P-DRIVE2
P-DRIVE3
P-DRIVE4
DATA-A
DATA-B
DATA-C
DATA-A
DATA-B
DATA-C
DATA-A
DATA-B
DATA-C
DATA-A
DATA-B
DATA-C
L-Drive = DATA-ABC
P-DRIVE1
P-DRIVE2
P-DRIVE3
P-DRIVE4
DATA-A
DATA-B
DATA-C
DATA-A
DATA-B
DATA-C
DATA-A
DATA-B
DATA-C
DATA-A
DATA-B
DATA-C
DATA-ABC
L-DRIVE = ≃ 3TB
P-DRIVE1
P-DRIVE2
P-DRIVE3
P-DRIVE4
DATA-A
DATA-B
DATA-C
DATA-A
DATA-B
DATA-C
DATA-A
DATA-B
DATA-C
DATA-A
DATA-B
DATA-C
L-Drive = DATA-ABC
P-DRIVE1
P-DRIVE2
P-DRIVE3
P-DRIVE4
DATA-A
DATA-B
DATA-C
DATA-A
DATA-B
DATA-C
DATA-A
DATA-B
DATA-C
DATA-A
DATA-B
DATA-C
L-Drive = DATA-ABC
- 65 -
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