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对Oracle数据库进行容灾

 2008-12-16 13:02:33 来源:WEB开发网   
核心提示: ■ Data Change Map (DCM)■ Replicated Data Set (RDS)一个RDS包括了所有的主节点和备用节点的复制卷组(RVG),RDS不是一个具体存在的对象,对Oracle数据库进行容灾(4),而是一个VVR复制技术中的一个概念,在异步模式下VVR的数据复制

■ Data Change Map (DCM)

■ Replicated Data Set (RDS)

一个RDS包括了所有的主节点和备用节点的复制卷组(RVG)。RDS不是一个具体存在的对象,而是一个VVR复制技术中的一个概念。

在异步模式下VVR的数据复制和数据流向

对Oracle数据库进行容灾

在同步模式下VVR的数据复制和数据流向

对Oracle数据库进行容灾

另外,VVR是Veritas Volume Manager (VxVM)的一个单独的option,需要单独的license。

Veritas Volume Replicator 的安装

主备节点硬件和软件配置和版本如下:

主节点 机器名:lxsfrac01

Sun Microsystems Sun Fire X4100 Server

操作系统 solaris10u4 x86_64

VVR版本: Veritas Volume Replicator 5.0 GA

Oracle 版本: Oracle 10gR2 Enterprise Edition

磁盘阵列:SAN/ HDS AMS 1000

Public网卡:e1000g0 私有(复制)网卡:e1000g1

备用节点机器名:lxsfrac02

软硬件环境与主节点相同

两个节点分别安装VVR和vxfs,安装方法相同,以lxsfrac02为例:

放入安装介质,一般Solaris都由vold进程自动mount CD,

如果需要手工

mount:mount–Fhsfs–oro/dev/dsk/c0t6d0s2/cdrom
  root@lxsfrac02#cd./volume_replicator/
  root@lxsfrac02#ls
  copyrightdocsinstallvvrpkgsrelease_notesscriptstoolsuninstallvvr
  root@lxsfrac02#ls-l
  total24
  -rw-r--r--1rootroot476Dec152006copyright
  drwxrwxr-x2rootroot512Jun2110:13docs
  -rwxr-xr-x1rootroot2283Apr142007installvvr
  drwxrwxr-x3rootroot1024Jun2110:13pkgs
  drwxrwxr-x2rootroot512Jun2110:13release_notes
  drwxrwxr-x3rootroot512Jun2110:13scripts
  drwxrwxr-x3rootroot512Jun2110:13tools
  -rwxr-xr-x1rootroot2283Apr142007uninstallvvr
  root@lxsfrac02#./installvvrlxsfrac02
  VeritasVolumeReplicator5.0InstallationProgram
  Copyright(c)2007SymantecCorporation.Allrightsreserved.Symantec,theSymantecLogoaretrademarksorregisteredtrademarksofSymantecCorporationoritsaffiliatesintheU.S.andothercountries.Othernamesmaybetrademarksoftheirrespectiveowners.
  TheLicensedSoftwareandDocumentationaredeemedtobe"commercialcomputersoftware"and"commercialcomputersoftwaredocumentation"asdefinedinFARSections12.212andDFARSSection227.7202.
  Logsforinstallvvrarebeingcreatedin/var/tmp/installvvr-mrk46Y.
  Initialsystemcheck:
  CheckingVVRinstallationonlxsfrac02............................................notinstalled
  Checkingarchitectureonlxsfrac02................................................i386
  VeritasVolumeReplicator5.0InstallationProgram
  Checkingsystemlicensing
  Installinglicensingpackages
  VVRisnotlicensedonlxsfrac02
  EnteraVVRlicensekeyforlxsfrac02:******************
  ******************successfullyregisteredonlxsfrac02
  PermanentVVRlicenseregisteredonlxsfrac02
  Doyouwanttoenteranotherlicensekeyforlxsfrac02?[y,n,q](n)
  VeritasVolumeReplicator5.0InstallationProgram
  Checkinginstalledpackagesonlxsfrac02
  VeritasVolumeReplicator5.0InstallationProgram
  VVRcanbeinstalledwithoutoptionalpackagestoconservediskspace.
  Additionalpackagesaretypicallyinstalledtosimplifyfutureupgrades.
  1)RequiredVeritasVolumeReplicatorpackages-855MBrequired
  2)AllVeritasVolumeReplicatorpackages-861MBrequired
  3)StorageFoundationEnterprisepackages-911MBrequired
  Selectthepackagestobeinstalledonallsystems?[1-3,q,?](3)2
  VeritasVolumeReplicator5.0InstallationProgram
  ThefollowingVVRpackageswillbeinstalled:
  VRTSperlVeritasPerl5.8.8Redistribution
  VRTSvlicVeritasLicensing
  VRTSicscoSymantecCommonInfrastructure
  VRTSpbxSymantecPrivateBranchExchange
  VRTSsmfSymantecServiceManagementFramework
  VRTSatSymantecProductAuthenticationService
  VRTSobc33VeritasEnterpriseAdministratorCoreService
  VRTSobVeritasEnterpriseAdministratorService
  VRTSobguiVeritasEnterpriseAdministrator
  VRTSccgVeritasEnterpriseAdministratorCentralControlGrid
  VRTSmhVeritasStorageFoundationManagedHostbySymantec
  VRTSaaVeritasEnterpriseAdministratorActionAgent
  VRTSsptVeritasSoftwareSupportTools
  SYMClmaSymantecLicenseInventoryAgent
  VRTSvxvmVeritasVolumeManagerBinaries
  VRTSdsaVeritasDatacenterStorageAgent
  VRTSfsproVeritasFileSystemManagementServicesProvider
  VRTSvmmanVeritasVolumeManagerManualPages
  VRTSvmdocVeritasVolumeManagerDocumentation
  Press[Return]tocontinue:
  ...continued:
  VRTSdcliVeritasDistributedCommandLineInterface
  VRTSallocVeritasVolumeManagerIntelligentStorageProvisioning
  VRTSvmproVeritasVolumeManagerManagementServicesProvider
  VRTSddlprVeritasDeviceDiscoveryLayerServicesProvider
  VRTSvrproVeritasVolumeReplicatorClientExtensionandProviderfor
  VeritasEnterpriseAdministrator
  VRTSvcsvrVeritasClusterServerAgentsforVVR
  VRTSjreVeritasJavaRuntimeEnvironmentRedistribution
  VRTSjre15VeritasJavaRuntimeEnvironmentRedistribution
  VRTSwebVeritasJavaWebServer
  VRTSvrwVeritasVolumeReplicatorWebConsole
  VRTSvrdocVeritasVolumeReplicatorDocumentation
  Press[Return]tocontinue:
  CheckingforanyAPdriverissuesonlxsfrac02...................................None
  AcopyofapreviousVxVMconfigurationispresentonthesystemlxsfrac02.
  DoyouwanttorestoreandreusethepreviousVxVMconfigurationofsystemlxsfrac02[y,n,q,?](y)n
  VeritasVolumeReplicator5.0InstallationProgram
  InstallingVVR:100%■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■
  Installationcompletedsuccessfullyonallsystems
  ItisoptionaltoconfigureVVRnow.IfyouchoosetoconfigureVVRlater,youcaneitherdosomanually,orruntheinstallvvr-configurecommand.Theproductinstallationscriptscanbefoundin/opt/VRTS/installdirectory
  AreyoureadytoconfigureVVR?[y,n,q](y)
  Theenclosure-basednamingschemeisafeatureofVeritasVolumeManager.Itallowsonetoreferencedisksusingasymbolicnamethatismoremeaningfulthantheoperatingsystem'snormaldeviceaccessname.Thissymbolicnameistypicallyderivedfromthearrayname.
  Doyouwanttosetuptheenclosure-basednamingscheme?[y,n,q,?](n)y
  VeritasVolumeReplicator5.0InstallationProgram
  VeritasVolumeManagerdefaultdiskgroupnameconfiguration:
  ManyVeritasVolumeManagercommandsaffectthecontentsorconfigurationofadiskgroup.Suchcommandsrequirethattheuserspecifyadiskgroup.Thisisaccomplishedbyusingthe-goptionofacommandorsettingtheVXVM_DEFAULTDGenvironmentvariable.Analternativetothesetwomethodsforsomecommandsistoconfigurethenameofthedefaultdiskgroupofasystem.
  Note:ThedefaultdiskgroupfeatureisnotavailablewiththeDCLIvxadm(1M)andvxquery(1M)commands.Whenusingthesecommands,arequireddiskgroupmustbeexplicitlyidentifiedusingthe-goption.
  Doyouwanttosetupadefaultdiskgroupforeachsystem?[y,n,q,?](y)n
  VeritasVolumeReplicator5.0InstallationProgram
  FollowingarethedefaultportsthatwillbeusedbyVVRonlxsfrac02:
  PortforVVRheartbeatcommunication:4145
  Portforvradminddaemon:8199
  Portforvxrsyncddaemon:8989
  Portsfordatareplication:Anonymous-Ports
  TheportsindicatedforVVRheartbeatsandvradmindareIANAassigned.
  TheportsettingsshouldbeidenticalforsystemsthatwillbepartofthesameReplicatedDataSet.Theyshouldalsobeidenticalforallthesystemsinacluster.
  DoyouwanttochangeanyoftheVVRportsonlxsfrac02?[y,n,q](n)
  VeritasVolumeReplicator5.0InstallationProgram
  VVRStatisticsCollectionTool
  TheVVRadministrativedaemonvradmindcancollectandmaintainvarious
  statisticswhicharehelpfulinsolvingVVRperformanceissues.This
  collectioncanbetunedusingafewtunableslikethefrequencyfor
  gatheringthestatisticsandthenumberofdaysforwhichthecollected
  statisticsshouldbepreserved,afterwhichtheearlierstatisticsare
  automaticallydeleted.
  ThefrequencyofVVRstatisticscollectiononlxsfrac02issettoper10seconds.
  DoyouwanttochangethefrequencyofVVRstatisticscollectiononlxsfrac02?[y,n,q](n)
  ThemaximumnumberofdaysforwhichVVRstatisticscanberetainedissetto3onlxsfrac02
  DoyouwanttochangethemaximumnumberofdaysforretainingVVRstatisticsonlxsfrac02?[y,n,q](n)
  VeritasVolumeReplicator5.0InstallationProgram
  ConfigurationofVVRtunables(Fortheadvanceduser)
  DoyouwanttoviewormodifyVVRtunablesonlxsfrac02?[y,n,q,?](n)
  VeritasVolumeReplicator5.0InstallationProgram
  VerifytheinstallsystemsFullyQualifiedHostnames.
  Queryingfullyqualifieddomainnameofhost"lxsfrac02".............................fail
  Press[Return]tocontinue:
  UnabletofindFQHNforlxsfrac02!
  Enterthefullyqualifiedhostnameof"lxsfrac02"or'QUIT'toquitinstall.
  Enterthefullyqualifiedhostname:lxsfrac02
  VeritasVolumeReplicator5.0InstallationProgram
  Choosehowthisinstallwillbemanaged.
  Thisproductcanconfiguredoneofthetwofollowingways:
  *StorageFoundationManagementServermanagedhost(Recommended)
  *Standalonehost
  Pre-requisitesforStorageFoundationManagementServermanagedhost:
  *AStorageFoundationManagementServer(SFMS)isconfigured
  *SFMSshouldbecurrentlyrunningandfullyoperational.
  *AuthenticationBrokerthatisusedbySFMSshouldberunning.
  Thefollowinginformationwouldberequestedduringconfiguration:
  *ThehostnameoftheSFMS
  *PreviouslysetSFMSagentaccountpassword
  Therearenopre-requisitesfordeployingasastandalonehost.
  EnablingStorageFoundationManagementServermanagementsimplifiesandimprovesmanagementofthecomplexdatacenter
  resources,reducingplannedandunplanneddowntime.
  EnableStorageFoundationManagementServerManagement?[y,n,q](y)n
  VeritasVolumeReplicator5.0InstallationProgram
  VerifytheinstallsystemsFullyQualifiedHostnames.
  ConfiguringVEAinSTANDALONEmodeon"lxsfrac02".....................................ok
  Configuringgridnodeon"lxsfrac02"...................................................ok
  Registeringgridnodeon"lxsfrac02"...................................................ok
  Configuringactionagenton"lxsfrac02"................................................ok
  Registeringactionagenton"lxsfrac02"................................................ok
  RegisteringStorageAgenton"lxsfrac02"...............................................ok
  DoyouwanttostartVeritasVolumeReplicatorprocessesnow?[y,n,q](y)
  VeritasVolumeReplicator5.0InstallationProgram
  StartingVVR:100%■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■
  Startupcompletedsuccessfullyonallsystems
  Youdeclinedtosetupthenameofthedefaultdiskgroupforlxsfrac02.
  Installationlogfiles,summaryfile,andresponsefilearesavedat:
  /opt/VRTS/install/logs/installvvr-mrk46Y
  ToenableDynamicMulti-Pathing(DMP),MPxIOmustbedisabled.RefertotheStorageFoundationReleaseNotesforfurtherdetailsondisablingMPxIO.
  检查vradmindeamon:
  root@lxsfrac02#ps-ef|grepvrad|grep-vgrep
  root98081016:24:47?0:00/usr/sbin/vradmind
  安装VeritasFileSystem:安装过程略
  root@lxsfrac02#cdfile_system/
  root@lxsfrac02#ls-l
  total22
  -rw-r--r--1rootroot476Dec152006copyright
  drwxrwxr-x2rootroot512Jun2110:12docs
  -rwxr-xr-x1rootroot2283Apr142007installfs
  drwxrwxr-x3rootroot1024Jun2110:12pkgs
  drwxrwxr-x2rootroot512Jun2110:12release_notes
  drwxrwxr-x3rootroot512Jun2110:12scripts
  -rwxr-xr-x1rootroot2283Apr142007uninstallfs
  root@lxsfrac02#./installfslxsfrac02

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