50 MediaShield User’s Guide – Version 1.0
C
HAPTER 5
MediaShield RAID Frequently Asked Questions
Basic RAID Questions
•WhatisRAID?
RAIDstandsforRedundantArrayofIndependentDisks,andreferstothegroupingof2or
morediskdrivesthatthesystemviewsasasingledrive.Differentgroupingshave
differenceadvantagesthatincludebetterperformanceand datafaulttolerance.
See“AboutNVIDIA®MediaShield™”onpage 1for
detaileddescriptionsofthe
differenttypesofRAIDarrays.
•WhattypeofRAIDarrayisrightforme?
Ingeneral,forbetterthroughputofnon‐criticaldata,useRAID0;forfaulttolerance,
useRAID1orRAID5,andforbetterthroughputaswellasfaulttoleranceuseRAID
0+1.
See“About
NVIDIA®MediaShield™”onpage 1fordetaileddescriptionsofthe
differenttypesofRAIDarrays.
•Whatisthedifferencebetweenabootableandanon‐bootableRAIDarray?
Asystemwithanon‐bootable RAIDarrayincludesaseparateharddiskthatcontains
theOSandisnotpartoftheRAID
array.
See“CreatingaNon‐BootableArray”onpage 21formoreinformation.
InabootableRAIDarray,theOSisinstalledontheRAIDarraydisks.
See“CreatingaBootableArray”onpage 17formoreinformation.
•IjustconfiguredaRAID1array—whyisthearraysizeone‐halfthetotalcumulative
size
ofthedrives?
RAID1usesone‐halfthetotaldiskspacefordataredundancy.
See“RAID1”onpage 4formoreinformationonRAID1arrays.
•Whatistheoptimalha rddriveconfigurationforRAID1(mirror)?
Inamirroredarray,amirroriscreatedusingthemaximumdrivesizeofthe
smallerof
thetwodrives.Idealconfigurationisachievedusingdrivesofidenticalsize.
•HowdoIconfigureamultiplearraysystem?
UptoeightdifferentRAIDarrayscanbeconfiguredandactiveatthesametime.You
needtoconfigureeacharrayseparatelyintheRAIDBIOSaswellas
initializethearrays
inWindows.
Kommentare zu diesen Handbüchern