Hp ProLiant ML115 Server Manual do Utilizador Página 7

  • Descarregar
  • Adicionar aos meus manuais
  • Imprimir
  • Página
    / 58
  • Índice
  • MARCADORES
  • Avaliado. / 5. Com base em avaliações de clientes
Vista de página 6
NVIDIA Corporation 3
C
HAPTER 1
About NVIDIA® MediaShield™
RAID Arrays
ThissectiondescribesthefollowingtypesofRAIDarraysthatNVIDIAMediaShield
Storagesupports:
Note:NotallnForceplatformsprovidesupportforalltheRAIDlevelslisted.SeeTable
1.1,“SupportednForcePlatformsandRAIDArrays”onpage 2foramatrixof
supportedRAIDlevels.
RAID 0
InaRAID0array,thecontrollerʺstripesʺdataacrossmultipledrivesintheRAID
subsystem.RAID0breaksupalargefileintosmallerblocksandthenperformsdiskreads
andwritesacrossmultipledrivesinparallel.Thesizeofeachblockisdeterminedbythe
stripesizeparameter,which
yousetduringthecreationof theRAID0set.Performanceof
applicationsrunningwithaRAID0canvarygreatlydependingonthestripesize
configuredwhencreatingthearray.Thedefaultstripesizeis64K,but32Kor16Kmaybe
moreefficientiftheapplicationissuesmany
smallerI/Ooperations.Someamountoftrial
anderrormaybeappropriatetofi ndtheoptimumstripesize.
RAID0isidealforapplicationsthatrequirehighbandwidthbutdonotrequirefault
tolerance.RAID0hasthebestperformanceandcapacityofanyRAIDlevel,butthelowest
availability(no
faulttolerance).Ifonedrivefails,theentirearrayfailsbecause partofthe
dataismissingwithnowaytorecoveritotherthanrestoringfromabackup.
Vista de página 6
1 2 3 4 5 6 7 8 9 10 11 12 ... 57 58

Comentários a estes Manuais

Sem comentários