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•RAID1:mirroringwithoutparityorstriping
RAID1usesmirroringsothatdatawrittentoonedriveissimultaneouslywrittentoanotherdrive.Thisis
goodforsmalldatabasesorotherapplicationsthatrequiresmallcapacitybutcompletedataredundancy.
RAID1providesfaulttolerancefromdiskerrorsorfailuresandcontinuestooperateaslongasatleast
onedriveinthemirroredsetisfunctioning.Withappropriateoperatingsystemsupport,therecanbe
increasedreadperformanceandonlyaminimalwriteperformancereduction.
RAID1requiresaminimumnumberoftwoharddiskdrives.
•RAID5:block-levelstripingwithdistributedparity
RAID5usesdiskstripingandparitydataacrossalldrives(distributedparity)toprovidehighdata
throughput,especiallyforsmallrandomaccess.RAID5distributesparityalongwiththedataandrequires
alldrivesbutonetobepresenttooperate;drivefailurerequiresreplacement,butthearrayisnot
destroyedbyasingledrivefailure.Upondrivefailure,anysubsequentreadoperationscanbecalculated
fromthedistributedparitysothatthedrivefailureismaskedfromtheenduser.Thearraywillhavedata
lossintheeventofaseconddrivefailureandisvulnerableuntilthedatathatwasonthefailingdriveis
rebuiltontoareplacementdrive.Asingledrivefailureinthesetwillresultinreducedperformanceof
theentiresetuntilthefailingdrivehasbeenreplacedandrebuilt.
RAID5requiresaminimumnumberofthreeharddiskdrives.
•RAID10:acombinationofRAID0andRAID1
RAID10consistsofstripeddataacrossmirroredspans.ARAID10drivegroupisaspanneddrive
groupthatcreatesastripedsetfromaseriesofmirroreddrives.RAID10allowsamaximumofeight
spans.YoumustuseanevennumberofdrivesineachRAIDvirtualdriveinthespan.TheRAID1
virtualdrivesmusthavethesamestripesize.RAID10provideshighdatathroughputandcompletedata
redundancybutusesalargernumberofspans.
RAID10requiresaminimumnumberoffourharddiskdrivesandalsorequiresanevennumberofdrives,
forexample,sixharddiskdrivesoreightharddiskdrives.
•RAID50:acombinationofRAID0andRAID5
RAID50usesdistributedparityanddiskstriping.ARAID50drivegroupisaspanneddrivegroupin
whichdataisstripedacrossmultipleRAID5drivegroups.RAID50worksbestwithdatathatrequires
highreliability,highrequestrates,highdatatransfers,andmedium-to-largecapacity.
Note:HavingvirtualdrivesofdifferentRAIDlevels,suchasRAID0andRAID5,inthesamedrivegroupis
notallowed.Forexample,ifanexistingRAID5virtualdriveiscreatedoutofpartialspaceinanarray,the
nextvirtualdriveinthearrayhastobeRAID5only.
RAID50requiresaminimumnumberofsixharddiskdrives.
FordetailedinformationaboutRAID,referto“IntroductiontoRAID”intheMegaRAIDSASSoftwareUser
GuideonthedocumentationDVDthatcomeswithyourserver.
RAIDforyourserver
ThistopicprovidesinformationabouttheRAIDsupportedbyyourserver.
YourserversupportsthefollowingtwotypesofRAIDconfigurations:
74ThinkServerTS430UserGuide
- ThinkServerTS430 1
- UserGuide 1
- •“Safetyinformation”onpageiii 2
- •AppendixA“Notices”onpage187 2
- Contents 3
- Safetyinformation 5
- ThinkServerTS430UserGuide 10
- ©CopyrightLenovo2012,2014 11
- Chapter1.Generalinformation 13
- Serverdocumentation 14
- Chapter1.Generalinformation3 15
- Chapter2.Serversetuproadmap 17
- 6ThinkServerTS430UserGuide 18
- Chapter3.Productoverview 19
- Chapter3.Productoverview9 21
- Chapter3.Productoverview11 23
- Specifications 24
- Software 24
- ThinkServerEasyStartup 24
- Chapter3.Productoverview13 25
- 14ThinkServerTS430UserGuide 26
- Frontviewoftheserver 27
- Frontpanel 29
- IntelligentDiagnosticsModule 30
- Rearviewoftheserver 31
- 20ThinkServerTS430UserGuide 32
- Serverlocks 34
- .Productoverview23 35
- Figure9.Integratedcablelock 36
- Servercomponents 37
- 26ThinkServerTS430UserGuide 38
- Chapter3.Productoverview27 39
- Chapter3.Productoverview29 41
- RAIDcard 45
- Port03RAID5keyconnector 46
- Port14Externalconnector 46
- Ports7-43Externalconnector 47
- Connectingthecables 51
- Chapter3.Productoverview41 53
- 1tothemini-SASsignalcable 55
- Chapter3.Productoverview43 55
- ThinkServerRAID500Adapter 56
- ThinkServerRAID700Adapter 56
- Systemboardcomponents 57
- Systemboardjumpers 60
- .Productoverview49 61
- 3BIOSrecoveryjumper 63
- 4Clearpasswordjumper 63
- 5Manufacturingjumper 63
- Chapter3.Productoverview51 63
- SystemboardLEDs 64
- 54ThinkServerTS430UserGuide 66
- Turningontheserver 67
- Turningofftheserver 67
- 56ThinkServerTS430UserGuide 68
- Chapter5.Configuringtheserver 69
- SetupUtilityprograminterface 70
- Advancedmenu 71
- 60ThinkServerTS430UserGuide 72
- .Configuringtheserver61 73
- Securitymenu 74
- ServerManagementmenu 75
- BootOptionsmenu 76
- .Configuringtheserver65 77
- Settingthesystemdateandtime 78
- Usingpasswords 79
- ConfiguringtheTPMfunction 80
- Selectingastartupdevice 80
- ExitingtheSetupUtilityprogram 81
- UpdatingorrecoveringtheBIOS 81
- ConfiguringRAID 85
- AboutRAID 85
- RAIDforyourserver 86
- Initializingavirtualdrive 90
- Settingahot-sparedrive 91
- Rebuildingaphysicaldrive 91
- Runningaconsistencycheck 92
- Updatingthefirmware 94
- .Configuringtheserver83 95
- 84ThinkServerTS430UserGuide 96
- Guidelines 97
- Precautions 97
- Systemreliabilityguidelines 98
- Removingtheservercover 99
- 90ThinkServerTS430UserGuide 102
- 1inthesmall 105
- Memorymoduleinstallationrules 106
- Installingamemorymodule 107
- Removingamemorymodule 109
- InstallingorremovingaPCIcard 110
- RemovingaPCIcard 112
- Figure48.RemovingaPCIcard 113
- InstallingtheEthernetcard 114
- RemovingtheEthernetcard 115
- InstallingtheRAIDcard 116
- RemovingtheRAIDcard 116
- InstallingtheTR500key 117
- RemovingtheTR500Key 119
- ThinkServerRAID700Battery 120
- RemovingtheTR700Battery 121
- AdvancedRAID 123
- RemovingtheTR100key 124
- Figure54.RemovingtheTR100key 125
- InstallingtheiKVMkey 126
- RemovingtheiKVMkey 127
- Figure56.RemovingtheiKVMkey 128
- InstallingtheTPMmodule 129
- RemovingtheTPMmodule 130
- Figure58.RemovingtheTPMmodule 131
- 1inthechassis.Then 132
- Figure60.Cablerouting 133
- 1topivotthe 140
- 3andthencarefullylift 165
- 1andthetwoscrews2tosecurethe 166
- Replacingthefrontsystemfan 169
- 1arealignedwiththe 171
- Replacingtherearsystemfan 172
- Replacingthemicroprocessor 177
- Figure102.Donottouchthepins 179
- 4ofthemicroprocessorsocket 180
- Completingthepartsreplacement 182
- Updatingtheserverconfiguration 184
- 174ThinkServerTS430UserGuide 186
- Troubleshootingprocedure 187
- Usingadiagnosticprogram 188
- Viewingthesystemeventlog 188
- Basictroubleshootingtables 188
- Opticaldriveproblems 189
- Hard-disk-driveproblems 190
- Memorymoduleproblems 191
- 180ThinkServerTS430UserGuide 192
- 182ThinkServerTS430UserGuide 194
- Informationresources 195
- Usingthedocumentation 195
- ThinkServerWebsite 195
- LenovoSupportWebsite 195
- Helpandservice 196
- Beforeyoucall 196
- Callingforservice 196
- Usingotherservices 197
- Purchasingadditionalservices 197
- 186ThinkServerTS430UserGuide 198
- AppendixA.Notices 199
- Trademarks 200
- Importantnotes 200
- Recyclinginformation 200
- Batteryreturnprogram 201
- Particulatecontamination 202
- ImportantWEEEinformation 203
- AppendixA.Notices193 205
- AppendixA.Notices195 207
- 196ThinkServerTS430UserGuide 208
- Bilgiler 209
- TeminEdileceğiAdresler 211
- 204ThinkServerTS430UserGuide 216
- 206ThinkServerTS430UserGuide 218
- 208ThinkServerTS430UserGuide 220
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