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Note:Themostup-to-datedevicedriversforvariousservermodelsarealwaysavailablefordownloadon
theLenovoSupportWebsiteat:
http://www.lenovo.com/drivers
Fordetailedinformation,refertothehelpinformationsystemfortheThinkServerEasyStartupprogram.
ConfiguringRAID
ThistopicprovidesinformationabouthowtoconfigureRedundantArrayofIndependentDisks(RAID)for
yourserver.
Note:TheinformationaboutconfiguringRAIDinthistopicisapplicableonlyinaWindowsenvironment.For
informationaboutconfiguringRAIDinaLinuxenvironment,contactyourLinuxsoftwareprovider.
AboutRAID
RAID,anacronymforRedundantArrayofIndependentDisks,isatechnologythatprovidesincreased
storagefunctionsandreliabilitythroughredundancy.Thisisachievedbycombiningmultipleharddiskdrives
intoalogicalunit,wheredataisdistributedacrossthedrivesinoneofseveralwayscalledRAIDlevels.
WhenagroupofindependentphysicalharddiskdrivesaresetuptouseRAIDtechnology,theyareina
RAIDarray.Thisarraydistributesdataacrossmultipleharddiskdrives,butthearrayappearstothehost
serverasonesinglestorageunit.CreatingandusingRAIDarraysprovideshighperformance,suchasthe
expeditedI/Operformance,becauseseveraldrivescanbeaccessedsimultaneously.
RAIDdrivegroupsalsoimprovedatastoragereliabilityandfaulttolerancecomparedtosingle-drivestorage
systems.Datalossresultingfromadrivefailurecanbepreventedbyreconstructingmissingdatafromthe
remainingdrives.
ThefollowinglistdescribessomeofthemostcommonlyusedRAIDlevels:
•RAID0:block-levelstripingwithoutparityormirroring
SimplestripesetsarenormallyreferredtoasRAID0.RAID0usesstripingtoprovidehighdata
throughput,especiallyforlargefilesinanenvironmentthatdoesnotrequirefaulttolerance.RAID0hasno
redundancyanditprovidesimprovedperformanceandadditionalstoragewithoutfaulttolerance.Any
drivefailuredestroysthearrayandthelikelihoodoffailureincreaseswithmoredrivesinthearray.RAID
0doesnotimplementerrorchecking,soanyerrorisuncorrectable.Moredrivesinthearraymeans
higherbandwidth,butgreaterriskofdataloss.
RAID0requiresaminimumnumberoftwoharddiskdrives.
•RAID1:mirroringwithoutparityorstriping
RAID1usesmirroringsothatdatawrittentoonedriveissimultaneouslywrittentoanotherdrive.Thisis
goodforsmalldatabasesorotherapplicationsthatrequiresmallcapacitybutcompletedataredundancy.
RAID1providesfaulttolerancefromdiskerrorsorfailuresandcontinuestooperateaslongasatleast
onedriveinthemirroredsetisfunctioning.Withappropriateoperatingsystemsupport,therecanbe
increasedreadperformanceandonlyaminimalwriteperformancereduction.
RAID1requiresaminimumnumberoftwoharddiskdrives.
32ThinkServerTS140UserGuide
- ThinkServerTS140 1
- UserGuide 1
- •“Safetyinformation”onpageiii 2
- •AppendixA“Notices”onpage97 2
- Contents 3
- Safetyinformation 5
- ThinkServerTS140UserGuide 10
- ©CopyrightLenovo2013,2014 11
- Productsthatarenotassessed 12
- Chapter1.Generalinformation 13
- Serverdocumentation 14
- Chapter1.Generalinformation3 15
- 4ThinkServerTS140UserGuide 16
- Chapter2.Serversetuproadmap 17
- 6ThinkServerTS140UserGuide 18
- Chapter3.Productoverview 19
- Chapter3.Productoverview9 21
- Specifications 23
- Software 23
- ThinkServerEasyStartup 23
- Frontviewoftheserver 25
- Rearviewoftheserver 26
- .Productoverview15 27
- Locatingpartsonthesystemboard 28
- Internalcomponents 29
- Internaldrives 29
- 18ThinkServerTS140UserGuide 30
- Turningontheserver 31
- Turningofftheserver 31
- 20ThinkServerTS140UserGuide 32
- Chapter5.Configuringtheserver 33
- SetupUtilityprograminterface 34
- Advancedmenu 35
- Securitymenu 35
- Powermenu 36
- Startupmenu 36
- Settingthesystemdateandtime 37
- Usingpasswords 37
- Power-OnPassword 38
- AdministratorPassword 38
- ConfiguringtheTPMfunction 39
- Selectingastartupdevice 39
- UpdatingorrecoveringtheBIOS 39
- Updating(flashing)theBIOS 40
- ConfiguringRAID 44
- AboutRAID 44
- CreatingRAIDvolumes 45
- DeletingRAIDvolumes 46
- Resettingdiskstonon-RAID 46
- Updatingthefirmware 46
- 36ThinkServerTS140UserGuide 48
- Guidelines 49
- Precautions 49
- Systemreliabilityguidelines 51
- Removingtheservercover 51
- Figure9.Removingthefrontbezel 53
- Memorymoduleinstallationrules 55
- Installingamemorymodule 57
- Removingamemorymodule 58
- 1,pin2,pin 64
- 60ThinkServerTS140UserGuide 72
- 1ofthefanpowerconvertercable 73
- InstallingorreplacingaPCIcard 76
- 1toopenthePCIcardlatch2 77
- Figure47.RemovingaPCIcard 78
- Figure48.InstallingaPCIcard 79
- Figure53.RemovingtheRDXdrive 82
- Replacingthefrontfanassembly 89
- Replacingtherearfanassembly 90
- Replacingthemicroprocessor 92
- 2onthemicroprocessor 94
- Completingthepartsreplacement 96
- Connectingthecables 97
- Troubleshootingprocedure 99
- Usingadiagnosticprogram 99
- Basictroubleshootingtables 100
- Opticaldriveproblems 100
- Harddiskdriveproblems 101
- Memorymoduleproblems 102
- 92ThinkServerTS140UserGuide 104
- Usingthedocumentation 105
- ThinkServerWebsite 105
- LenovoSupportWebsite 105
- Informationresources 105
- Helpandservice 106
- Beforeyoucall 106
- Callingforservice 106
- Usingotherservices 107
- Purchasingadditionalservices 107
- 96ThinkServerTS140UserGuide 108
- AppendixA.Notices 109
- Trademarks 110
- Importantnotes 110
- Particulatecontamination 110
- Recyclinginformation 111
- Batteryreturnprogram 111
- ImportantWEEEinformation 113
- ChinaRoHS 114
- TurkishRoHS 114
- AppendixA.Notices103 115
- AppendixA.Notices105 117
- Eurasiancompliancemark 118
- Brazilregulatorynotice 118
- 108ThinkServerTS140UserGuide 120
- 110ThinkServerTS140UserGuide 122
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