Intel Matrix Storage Manager Quick Guide for Acer Selected Veriton PC V1.1
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Block Cp
Block B1
Block A1
Block C1
Block Bp
Block A2
Block C2
Block B2
Block Ap
Physical
disk
120 GB
Physical
disk
120 GB
Logical
disks
240 GB
Physical
disks
120 GB
Disk 1
Disk 2
Disk 3
RAID10 (RAID1+0: st mirroring)
•
A combination of RAID1 and RAID0 — mirroring and striping, but without
parity.
•
RAID10 is used for both replicating and sharing data among disks.
•
RAID10 is often the primary choice for high-load databases, because the
lack of parity to calculate gives it faster write speeds.
•
RAID10 volume capacity
= 2 x (capacity of smallest HDD)
Physical
disks
120 GB
Block A5
Block A3
Block A1
Block A5
Block A3
Block A1
Block A6
Block A4
Block A2
Disk 1
Disk 2
Disk 3
Block A6
Block A4
Block A2
Disk 4
RAID 1
RAID 1
RAID 0
Physical
disks
120 GB
Physical
disks
120 GB
Logical
disks
240 GB
Physical
disks
120 GB
Characteristics/Advantages Disadvantages
RAID0
¾
RAID0 implements a striped
disk array, the data is broken
down into blocks and each
block is written to a separate
disk drive
¾
I/O performance is greatly
improved by spreading the I/O
load across many channels and
drives
¾
Best performance is achieved
when data is striped across
¾
Not a "True" RAID because it is
NOT fault-tolerant
¾
The failure of just one drive
will result in all data in an
array being lost
¾
Should never be used in
mission-critical
environments
