ASRock EPC621D6U-2T16R [6/11] Raid configurations precautions

2.2 RAID Congurations Precautions

1. PleaseusetwonewdrivesifyouarecreatingaRAID

0(striping)arrayforperformance.Itisrecommended

tousetwoSATAdrivesofthesamesize.Ifyouuse

twodrivesofdifferentsizes,thesmallercapacityhard

diskwillbethebasestoragesizeforeachdrive.For

example,ifoneharddiskhasan80GBstoragecapa-

cityandtheotherharddiskhas60GB,themaximum

storagecapacityforthe80GB-drivebecomes60GB,

andthetotalstoragecapacityforthisRAID0setis

120GB.

2. Youmayusetwonewdrives,oruseanexistingdrive

andanewdrivetocreateaRAID1(mirroring)array

fordataprotection(thenewdrivemustbeofthe

samesizeorlargerthantheexistingdrive).Ifyou

usetwodrivesofdifferentsizes,thesmallercapacity

harddiskwillbethebasestoragesize.Forexample,

ifoneharddiskhasan80GBstoragecapacityand

theotherharddiskhas60GB,themaximumstorage

capacityfortheRAID1setis60GB.

3. Pleaseverifythestatusofyourharddisksbeforeyou

setupyournewRAIDarray.

WARNING!!

  PleasebackupyourdatarstbeforeyoucreateRAIDfunctions.

  IntheprocessyoucreateRAID,thesystemwillaskifyouwant

  to“ClearDiskData”ornot.Itisrecommendedtoselect“Yes”,

  andthenyourfuturedatabuildingwilloperateunderaclean

  environment.