Hp ProLiant ML115 Server Manual de usuario Pagina 55

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NVIDIA Corporation 51
C
HAPTER 5
MediaShield RAID Frequently Asked Questions
•WhyisthecumulativesizeofaRAID0(Stripe)orRAID0+1(StripeMirror)notequal
tothesum ofthedrives?
Thedrivesizeiscontrolledbystripeblocks.
ForRAID0:Arraysize=(smallestdrivesize)x(numberofdisksinthearray)
ForRAID0+1:Arraysize
is=((smallestdrivesize)x(numberofdisksinthearray))/2
•WhycanInotgetintoWindowsafteraddinganonbootablearray?
Possiblecausewouldbeaddingthebootdrivetothearrayandthenclearingthearray.
RAID ROM Setup Questions
•WhycanInotgetintothe RAIDROMSetup?
YoumustenableRAIDfunctionalityinthesystemBIOSasexplainedin“Enabling
RAIDintheSystemBIOS”onpage 8.
•WhydomyharddrivesnotappearintheRAIDROMSetup?
FromtheRAIDConfigwindow,youmustenableRAID
andthenenablethedisksthat
youwanttouseasRAIDdisks.See“EnablingRAIDintheSystemBIOS”onpage 8 for
moreinformation.
•WhatistheOptimalStripingBlockSizeintheRAIDROMSetup?
Thedefaultoptimalstripingblocksizeis64KB.NVIDIArecommendsusingthe
optimalblocksize.
•WhatdoesBBSstandforintheRAID ROM[F10]setup?
BBSstandsforBIOSBootSpecification.Thisind icatesthatthebootdeviceisdefinedin
theBIOS.
•Whatdoes“ClearDisk”meanintheRAIDROMSetup?
ClearDiskclearstheMBR(MasterBootRecord).Thisisneededtoprevent
invaliddata
fromappearingintheMBRspaceonanyofthedrivesincludedinthearray.Notdoing
socouldrenderthesystemunstable.
Rebuilding Arrays Questions
•HowlongdoestheRAIDrebuildingprocesstake?
Intherebuildingprocess,alldataiscopiedfromoneharddrivetoanotherandthenthe
dataissynchronizedbetweenthetwoharddrives.Becausetherebuildingprocess
occursinthebackgroundinawaythatdoesnotaffectsystemperformance,the
process
cantakesometimeandthetimeittakesdependsonthesizeofthedrive,system
performanceandotherfactors.
See“RebuildinganArray”onpage 32formoreinformation.
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