Lenovo ThinkServer RD330 Manual de usuario Pagina 71
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Valorado. / 5. Basado en revisión del cliente
WhenagroupofindependentphysicalharddiskdrivesaresetuptouseRAIDtechnology,theyareina
RAIDarray.Thisarraydistributesdataacrossmultipleharddiskdrives,butthearrayappearstothehost
serverasonesinglestorageunit.CreatingandusingRAIDarraysprovideshighperformance,suchasthe
expeditedI/Operformance,becauseseveraldrivescanbeaccessedsimultaneously.
RAIDdrivegroupsalsoimprovedatastoragereliabilityandfaulttolerancecomparedwithsingle-drive
storagesystems.Datalossresultingfromadrivefailurecanbepreventedbyreconstructingmissingdata
fromtheremainingdrives.
ThefollowinglistdescribessomeofthemostcommonlyusedRAIDlevels:
•RAID0:block-levelstripingwithoutparityormirroring
SimplestripesetsarenormallyreferredtoasRAID0.RAID0usesstripingtoprovidehighdata
throughput,especiallyforlargelesinanenvironmentthatdoesnotrequirefaulttolerance.RAID0hasno
redundancyanditprovidesimprovedperformanceandadditionalstoragewithoutfaulttolerance.Any
drivefailuredestroysthearrayandthelikelihoodoffailureincreaseswithmoredrivesinthearray.RAID
0doesnotimplementerrorchecking,soanyerrorisuncorrectable.Moredrivesinthearraymeans
higherbandwidth,butgreaterriskofdataloss.
RAID0requiresaminimumnumberoftwoharddiskdrives.
•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.
Chapter5.Conguringtheserver59
- ThinkServerRD330 1
- UserGuide 1
- •“Safetyinformation”onpageiii 2
- •AppendixA“Notices”onpage165 2
- Contents 3
- Safetyinformation 5
- ThinkServerRD330UserGuide 10
- ©CopyrightLenovo2012,2013 11
- Chapter1.Generalinformation 13
- Serverdocumentation 14
- Chapter1.Generalinformation3 15
- Chapter2.Serversetuproadmap 17
- 6ThinkServerRD330UserGuide 18
- Chapter3.Productoverview 19
- Chapter3.Productoverview9 21
- Specications 23
- Software 23
- ThinkServerEasyStartup 23
- Diagnosticprograms 25
- Locations 25
- MT-M XXXX- XXX 26
- S/N XXXXXXX 26
- Frontpanel5Rightrackhandle 27
- Frontpanel 29
- 3NIC1statusLED 31
- 4NIC2statusLED 31
- 5SystemerrorLED 31
- Chapter3.Productoverview19 31
- IntelligentDiagnosticsModule 32
- Rearviewoftheserver 33
- Servercomponents 36
- .Productoverview25 37
- RAIDcard 39
- Ports7-4 41
- Ports3-0 41
- 1ononeendofthe 44
- 2ontheotherendof 44
- Systemboardcomponents 45
- Systemboardjumpersandswitches 48
- .Productoverview37 49
- Table1.Systemjumpers 50
- Chapter3.Productoverview39 51
- Figure25.Switches 52
- Table2.Switches 52
- Clearpasswordswitch 52
- Reservedforthemanufacturer 52
- SystemboardLEDs 53
- 2-7SystemfanerrorLEDs 55
- Chapter3.Productoverview43 55
- 44ThinkServerRD330UserGuide 56
- Turningontheserver 57
- Turningofftheserver 57
- Chapter5.Conguringtheserver 59
- SetupUtilityprograminterface 60
- Securitymenu 61
- ServerManagementmenu 61
- Settingthesystemdateandtime 62
- Usingpasswords 63
- Selectingastartupdevice 64
- ConguringtheTPMfunction 64
- ExitingtheSetupUtilityprogram 65
- UpdatingorrecoveringtheBIOS 65
- Updating(ashing)theBIOS 66
- ConguringRAID 70
- AboutRAID 70
- RAIDarraystatus 73
- Initializingavirtualdrive 75
- Settingahot-sparedrive 76
- Rebuildingaphysicaldrive 76
- Runningaconsistencycheck 77
- Updatingthermware 79
- 68ThinkServerRD330UserGuide 80
- Guidelines 81
- Precautions 81
- Systemreliabilityguidelines 83
- Removingtheservercover 83
- 1inthedirectionasshown 84
- Removingthecoolingshroud 87
- Reinstallingthecoolingshroud 88
- Memorymoduleinstallationrules 89
- Installingamemorymodule 92
- Removingamemorymodule 94
- InstallingtheEthernetcard 95
- RemovingtheEthernetcard 97
- InstallingtheRAIDcard 99
- RemovingtheRAIDcard 102
- AdvancedRAID 103
- RemovingtheTR500Key 105
- Figure48.RemovingtheTR500Key 106
- 1onthebottom 108
- RemovingtheTR300Key 111
- Figure52.RemovingtheTR300Key 113
- InstallingtheTMMPremium 114
- RemovingtheTMMPremium 115
- Figure55.InstallingtheTPM 118
- Figure56.RemovingtheTPM 120
- Figure64.Donottouchthepins 130
- 4ofthemicroprocessorsocket 131
- Replacingthemicroprocessor 132
- Figure69.Donottouchthepins 135
- 126ThinkServerRD330UserGuide 138
- 136ThinkServerRD330UserGuide 148
- Figure86.Removingthebackplane 149
- 138ThinkServerRD330UserGuide 150
- Figure88.Securingthebackplane 151
- Figure89.RemovingtheIDM 152
- Replacingasystemfan 153
- Figure91.Removingthesystemfan 154
- Replacingthefrontpanelboard 155
- Completingthepartsreplacement 161
- Updatingtheserverconguration 165
- 154ThinkServerRD330UserGuide 166
- Troubleshootingprocedure 167
- Usingadiagnosticprogram 168
- Viewingthesystemeventlog 168
- Basictroubleshootingtables 168
- Opticaldriveproblems 169
- Harddiskdriveproblems 170
- Memorymoduleproblems 171
- 160ThinkServerRD330UserGuide 172
- Informationresources 173
- Usingthedocumentation 173
- ThinkServerWebsite 173
- LenovoSupportWebsite 173
- Helpandservice 174
- Beforeyoucall 174
- Callingforservice 174
- Usingotherservices 175
- Purchasingadditionalservices 175
- 164ThinkServerRD330UserGuide 176
- AppendixA.Notices 177
- Trademarks 178
- Importantnotes 178
- Particulatecontamination 178
- Recyclinginformation 179
- Batteryreturnprogram 179
- ImportantWEEEinformation 180
- Exportclassicationnotice 181
- Electronicemissionnotices 181
- ENERGYSTARmodelinformation 183
- •Lowpowermemorystates 184
- •Liquidcoolingcapability 184
- 172ThinkServerRD330UserGuide 184
- 174ThinkServerRD330UserGuide 186
- 176ThinkServerRD330UserGuide 188
- 178ThinkServerRD330UserGuide 190
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