VERITAS VCS 学习文档PPT

2,1,VERITASVCS培训,StrayBird,2,2,介绍,VCS安装与维护实施人员系统维护人员,2,3,议程,VERITAS简介基本概念双机系统规划VCS安装VCS维护命令篇,2,4,VERITAS简介,VERITAS公司于1982年成立于加利福尼亚州的MountainView作为企业级应用存储管理软件的领先提供商，专门提供集成的跨平台存储管理软件解决方案。VERITASSoftware公司是应用存储管理的事实标准，世界领先的服务器和操作系统中有60%使用它的软件。,2,5,VERITAS简介服务,2,6,2,7,基本概念,VEITASCLUSTERSYSTEMVERITASClusterServerenablesyoutomonitorsystemsandapplicationservices,andtorestartservicesonadifferentsystemwhenhardwareorsoftwarefails.,2,8,基本概念,ClusterAVCSclusterconsistsofmultiplesystemsconnectedinvariouscombinationstosharedstoragedevices.,2,9,基本概念,ResourcesResourcesarehardwareorsoftwareentities,suchasdisks,networkinterfacecards(NICs),IPaddresses,applications,anddatabases,thatarebroughtonline,takenoffline,ormonitoredbyVCS.”,2,10,基本概念,ServiceGroupAservicegroupisacollectionofresourcesworkingtogethertoprovideapplicationservicestoclients.,2,11,基本概念,ResourceDependencieswhenaservicegroupisbroughtonlineortakenoffline,theresourcedependencieswithinthegroupspecifytheorderinwhichtheresourceswillbebroughtonlineandtakenoffline.,2,12,基本概念,TypesofServiceGroupsInVCStherearetwocategoriesofservicegroups:failoverandparallel.Afailovergrouprunsononesystemintheclusteratatime.Aparallelgrouprunsconcurrentlyonmorethanonesystematatime.,2,13,基本概念,AgentsAnagentisaninstalledprogramdesignedtocontrolaparticularresourcetype.,2,14,基本概念,ClusterCommunicationsClustercommunicationsensureVCSiscontinuouslyawareofthestatusofeachsystemsservicegroupsandresources,andenableVCStorecognizewhichsystemsareactivemembersofthecluster,whicharejoiningorleaving,andwhichhavefailed.,2,15,基本概念,2,16,基本概念,GABGroupMembershipServices/AtomicBroadcastTheGABprotocolperformstwocriticalfunctionsforVCS:Monitorsclustermembership.Tracksclusterstate.,2,17,基本概念,LowLatencyTransport(LLT)LLTprovidesfast,kernel-to-kernelcommunications,andmonitorsnetworkconnections.,2,18,双机系统规划,ServiceResourceResourceDependencies,2,19,双机系统规划_Example,以CINMS为例:ServiceOracleNetscapeServer,2,20,双机系统规划_Example,OracleDiskGroupOraDGVolumevol_u01vol_u04FloatIPAutoStartList=db1,2,21,双机系统规划_Example,wwwDiskGroupwwwDGVolumevol_wwwFloatIPAutoStartList=db2,2,22,双机系统规划_Example,2,23,应用安装的两种方式,应用及其数据安装盘阵上；应用安装在本地硬盘，数据安装在盘阵上；,2,24,VCS安装,安装前的准备VCS安装VCS配置,2,25,VCS安装_准备,需要配备两条心跳线（使用以太网卡）SCSI阵列scsi-initiator-idSYMplicity安装，配置磁盘阵列，创建5个LUN安装vxfs文件系统VM3.4安装，创建wwwDG和OraDG,创建卷www_vol、u01_vol、u02_vol、u03_vol及u04_vol。安装OracleServer及NetscapeServer,2,26,Sfile,PATH=$PATH:/opt/VRTSvmsa/bin:/sbin:/usr/sbinMANPATH=/usr/share/man:/opt/VRTSvmsa/man:/opt/VRTSvxvm/manexportPATHMANPATH,2,27,InstallingVCSUsingpkgadd,HavealicensekeyforeachsystemOneachsystem,runpkgaddOneachsystem,configureLLTOneachsystem,configureGABOneachsystem,editthesimplemain.cfVerifyLLT,GAB,andClusteroperation.,2,28,ObtainingLicenseKeys,Determiningthehostid#/usr/sbin/sysdef-h#hostidDeterminingtheMachineType#/usr/sbin/prtconf|head#uname-i,2,29,RunningpkgaddOnEachSystem,#pkgadd-d.Thefollowingpackagesareavailable:1VRTScsgaVERITASClusterServerGraphicalAdministrator(sparc)1.1.1(JDK1.1.6/Swing1.0.2)2VRTSgabVERITASGroupMembershipandAtomicBroadcast(sparc)1.1.13VRTSlltVERITASLowLatencyTransport(sparc)1.1.14VRTSperlVERITASPerlforVRTSvcs(sparc)1.1.15VRTSvcsVERITASClusterServer(sparc)1.1.16VRTSvcswzVERITASClusterServerWizard(sparc)1.1.17clspCLARiiONDiskArrayStorageProcessorDriver(sparc)1.11Selectpackage(s)youwishtoprocess(oralltoprocessallpackages).(default:all)?,?,q:,2,30,InstallingOracleAgent,#pkgadd-d.Thefollowingpackagesareavailable:1VRTSvcsorVERITASClusterServerOracleEnterpriseExtension(sparc)1.1Selectpackage(s)youwishtoprocess(oralltoprocessallpackages).(default:all)?,?,q:,2,31,EnterLicenseKeys,#vxlicense-cPleaseenteryourkey:,2,32,CheckHeartbeat,以root用户登录db1#cd/opt/VRTSllt#./getmac/dev/qfe:0显示心跳口的MAC地址#./dlpipings/dev/qfe0在db1上启动检测进程的server以root用户登录db2#cd/opt/VRTSllt#./dlpipingc/dev/qfe0macofdb1在db2上启动检测进程的client,如果响应alive,则OK,2,33,ConfiguringLLT,OneachsystemSettingUp/etc/llthosts0db11db2SettingUp/etc/llttabset-nodedb1#对于db2：set-nodedb2linkqfe0/dev/qfe:0linkqfe1/dev/qfe:1Start,2,34,StartLLT,/sbin/lltconfigcorsh/etc/rc2.d/s68lltSeeAlso/opt/VRTSllt/lltstat显示统计和错误信息/opt/VRTSllt/lltconfU可以停止llt的启动,2,35,StartGAB,在db1和db2上执行#gabconfigcn2相关命令：#gabconfiga显示GAB状态#gabconfigu停止GAB,2,36,Usinggabconfig-cxonaTwo-SystemCluster,#gabconfigcn2表示在第二节点启动后，自动启动VCS#gabconfigxc,2,37,Setupsimplemain.cf,#vi/etc/VRTSvcs/conf/configincludetypes.cfincludeOracleTypes.cfclustervcssystemdb1systemdb2snmpvcs#/opt/VRTSvcs/bin/hacfverifyconfig,2,38,StartVCS,#/etc/rc2.d/S70lltstart#/etc/rc2.d/S92gabstart#/etc/rc3.d/S99vcsstart(停止VCS，/opt/VRTSvcs/bin/hastop),2,39,VerifyingLLT,GAB,Cluster,VerifyLT#lltstat-n#lltstat-nvv|moreVerifyGAB#/sbin/gabconfigaVerifyVCS#hastatus-summary,2,40,VCS配置,Configuremain.cfConfiguretype.cfConfigureAgent,2,41,Themain.cfFile,IncludeClausesClusterDefinitionSystemDefinitionServiceGroupDefinitionSystemListAttributeAutoStartListAttributeResourceDefinitionResourceDependencyClause,2,42,Thetype.cfFile,Thetypes.cffiledescribesstandardresourcetypestotheVCSengine;specifically,thedatarequiredtocontrolaspecificresource.,2,43,宕机配置,/etc/rc0.d/K10vcs/etc/rc1.d/K10vcs,2,44,双机测试,手工切换系统宕机网线不通,2,45,VCS维护,ForSystemsinaStateofADMIN_WAIT#hacf-verify.#hasys-forcesystem,2,46,VCS维护,ForSystemsinaStateofADMIN_WAIT#cd/etc/VRTSvcs/conf/config#rm.stale,2,47,VCS维护,Oracleorcinms掉了可能硬件故障#/etc/raid/bin/healthcka可能软件系统故障#hastatus,2,48,VCS维护,Oracle掉了，hastatus查看发现OracleFAILED，怎么办？首先确认oragroupisoffline#haresclearoragroupsysdb2#hagrponlineoragroupsysdb2还不行#hagrp-freezeoragrouppersistent手工启动查原因,2,49,VCS维护,Mygod，db2isdownandcannotimportwwwDGatdb1.HowcanIdo?#hastopall-force#vxdg-t-Cimportwww#vxrecovergwwwsbOr#vxvolgwwwstartall#mount,2,50,VCS维护,如何不通过VCS手工启动系统？#ha