Introduction, System requrement, Raid arrays – MSI NF750-G55 User Manual

Page 92: Summary of raid configuratons, Ntroduction

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B-2

NVIDIA RAID

MS-7578

NVIDIA RAID

MS-7578

i

ntroduction

System Requrement

Operatng System Support

NVRAID supports the followng operatng systems:

Wndows XP, Wndows Vsta

RAID Arrays

NVRAID supports the followng types of RAID arrays descrbed n ths secton:

RAID 0: RAID 0 defines a dsk strpng scheme that mproves the dsk read and

wrte tmes for many applcatons.

RAID 1: RAID 1 defines technques for mrrorng data.

RAID 0+1: RAID 0+1 combnes the technques used n RAID 0 and RAID 1 ar-

rays.

RAID 5: RAID 5 defines technques for party data.

Spannng (JBOD): JBOD provdes a method for combnng drves of dfferent szes

nto one large dsk

Summary of RAID Configuratons

Array

Uses

Advantages

Drawbacks

#Hard Dsks

Fault Tolerance

RAID 0

Non-crtcal data

requrng hgh per-

formance.

Hgh data through-

put.

No fault tolerance.

multple

None

RAID 1

Small databases

or any other small

capacty envron-

ment requrng fault

tolerance.

100% data redun-

dancy.

Requres 2 drves

for the storage

space of 1 drve.

2

Yes

RAID 0+1 Crtcal data requr-

ng hgh perfor-

mance.

Optmzed for both

100% data redun-

dancy and perfor-

mance. Allow spare

dsks.

Requres 2 drves

for the storage

space of 1 drve -

the same as RAID

level 1.

4+

Yes

RAID 5

Crtcal data and

reasonable level of

performance.

Fault tolerance and

better utlzaton of

dsk space.

Decreased wrte

performance due to

party calculatons.

Requres at least

three drves.

3+

Yes

JBOD

Combnng

odd

sze drves nto one

bg drve.

Combnes

and

used the capacty

of odd sze drves.

Decreases perfor-

mance because of

the dfficulty n us-

ng drves concur-

rently or to optmze

drves for dfferent

uses

Multple

No

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