【文章內(nèi)容簡介】 22700Serial28800Refresh14400Retry3600000Expire86400)MinimumINNSlocalhost.1INPTRlocalhost.203INPTR.[root@rddnamed]測試DNS服務(wù)器解析SCANIP正常首先，：[root@rddnamed]/etc/statusrndc:connectfailed:953:connectionrefusednamedisstopped[root@rddnamed]/etc/startStartingnamed:[OK][root@rddnamed]/etc/statusnumberofzones:7debuglevel:0xfersrunning:0xfersdeferred:0soaqueriesinprogress:0queryloggingisOFFrecursiveclients:0/1000tcpclients:0/100serverisupandrunningnamed(pid23307)isrunning…[root@rddnamed]chkconfignamedon[root@rddnamed]然后，分別在RAC節(jié)點(diǎn)nodenode2的/etc/：searchlocaldomainnameserver添加之后：[root@node1~]cat/etc/searchlocaldomainnameserver[root@node1~]最后，測試SCANIP解析是否成功？node1測試：[root@node1~]nslookupServer:Address:53name=.[root@node1~]nslookupServer:Address:53Name:Address:[root@node1~]nslookupscanclusterServer:Address:53Name:Address:[root@node1~]node2測試：[root@node2~]nslookupServer:Address:53name=.[root@node2~]nslookupServer:Address:53Name:Address:[root@node2~]nslookupscanclusterServer:Address:53Name:Address:[root@node2~]至此，準(zhǔn)備工作中的配置SCANIP通過配置DNS服務(wù)器來解析已經(jīng)成功！建用戶、改口令、修改用戶配置文件配置11gR2RAC需要安裝OracleGridInfrastructure軟件、Oracle數(shù)據(jù)庫軟件，其中Grid軟件等同于Oracle10g的Clusterware集群件。Oracle建議以不同的用戶分別安裝GridInfrastructure軟件、Oracle數(shù)據(jù)庫軟件，我們這里以grid用戶安裝GridInfrastructure，oracle用戶安裝Oracle數(shù)據(jù)庫軟件。并且grid、oracle用戶需要屬于不同的用戶組。在配置RAC時，還要求這兩個用戶在RAC的不同節(jié)點(diǎn)上uid、gid要一致。用戶、組的對應(yīng)信息見下表：GroupNameGroupIDGroupInfoOracleUser(1100)GridUser(1101)oinstall1000InventoryGroupYYdba1300OSDBAGroupYoper1301OSOPERGroupYasmadmin1200OSASMYasmdba1201OSDBAforASMYYasmoper1202OSOPERforASMY(Figure、組配置信息表)、組的創(chuàng)建，腳本的具體內(nèi)容可見本文檔附錄。[root@node1shell]pwd/root/shell[root@node1shell]lltotal24rwxr–r–1rootroot3544Apr2409:40rwxr–r–1rootroot678Apr2409:40rwxr–r–1rootroot858Apr2409:40rwxr–r–1rootroot465Apr2409:40rwxr–r–1rootroot651Apr2409:40rwxr–r–1rootroot1132Apr2409:40[root@node1shell]./Nowcreate6groupsnamed39。oinstall39。,39。dba39。,39。asmadmin39。,39。asmdba39。,39。asmoper39。,39。oper39。Plus2usersnamed39。oracle39。,39。grid39。,AlsosettingtheEnvironmentChangingpasswordforusergrid.passwd:allauthenticationtokensupdatedsuccessfully.Changingpasswordforuseroracle.passwd:allauthenticationtokensupdatedsuccessfully.TheGroupsandusershasbeencreatedTheEnvironmentforgrid,oraclealsohasbeensetsuccessfully[root@node1shell]idgriduid=1100(grid)gid=1000(oinstall)groups=1000(oinstall),1200(asmadmin),1201(asmdba),1202(asmoper)[root@node1shell]idoracleuid=1101(oracle)gid=1000(oinstall)groups=1000(oinstall),1201(asmdba),1300(dba),1301(oper)[root@node1shell]說明：在節(jié)點(diǎn)node2上執(zhí)行該腳本時，需要將grid用戶環(huán)境變量ORACLE_SID修改為+ASM2，oracle用戶環(huán)境變量ORACLE_SID修改為devdb2,建路徑、改權(quán)限關(guān)于grid、oracle用戶的環(huán)境變量配置信息，見下述表格。EnvironmentVariableGridUserOracleUserORACLE_BASE/u01/app/grid/u01/app/oracleORACLE_HOME/u01/app//u01/app/oracle/product/ORACLE_SID[node1]+ASM1devdb1ORACLE_SID[node2]+ASM2devdb2(Figure)、權(quán)限的配置。腳本的具體內(nèi)容可見本文檔附錄。[root@node1shell]pwd/root/shell[root@node1shell]./Nowcreatethenecessarydirectoryfororacle,gridusersandchangetheauthentiontooracle,gridusers…Thenecessarydirectoryfororacle,gridusersandchangetheauthentiontooracle,gridusershasbeenfinished[root@node1shell]cd/u01/app/[root@node1app]lltotal12drwxrwxrx3gridoinstall4096Apr2410:06drwxrwxrx2gridoinstall4096Apr2410:06griddrwxrwxrx2oracleoinstall4096Apr2410:06oracle[root@node1app]修改/etc/security/，配置oracle、grid用戶的shell限制腳本的具體內(nèi)容可見本文檔附錄。[root@node1shell]pwd/root/shell[root@node1shell]./Nowmodifythe/etc/security/,butbackupitnamed/etc/security/beforeModifingthe/etc/security/hasbeensucceed.[root@node1shell]修改/etc/腳本的具體內(nèi)容可見本文檔附錄。[root@node1shell]pwd/root/shell[root@node1shell]./Nowmodifythe/etc/,butwithabackupnamed/etc/Modifingthe/etc/hasbeensucceed.[root@node1shell]修改/etc/profile文件腳本的具體內(nèi)容可見本文檔附錄。[root@node1shell]pwd/root/shell[root@node1shell]./Nowmodifythe/etc/profile,butwithabackupnamed/etc/Modifingthe/etc/profilehasbeensucceed.[root@node1shell]腳本的具體內(nèi)容可見本文檔附錄。[root@node1shell]pwd/root/shell[root@node1shell]./Nowmodifythe/etc/,butwithabackupnamed/etc/Modifingthe/etc/hasbeensucceed.Nowmakethechangestakeeffect…..=0=1=0=0=1=1=65536=65536=68719476736=4294967296=1048576=6815744=2097152=536870912=4096=25032000100128=900065500=262144=4194304=262144=1048586=262144262144262144=419430441943044194304[root@node1shell]停止ntp服務(wù)，11gR2新增的檢查項[root@node1~]servicentpdstatusntpdisstopped[root@node1~]chkconfigntpdoff[root@node1~]cat/etc/ntpntp/[root@node1~]cp/etc//etc/[root@node1~]rmrf/etc/[root@node1~]節(jié)點(diǎn)2準(zhǔn)備工作我們已經(jīng)在node1完成基本準(zhǔn)備配置工作，以完成節(jié)點(diǎn)2的準(zhǔn)備工作。說明：IP已在節(jié)點(diǎn)2上完成，可忽略。配置oracle，grid用戶SSH對等性雖然在安裝軟件的過程中，oracle會自動配置SSH對等性，建議在安裝軟件之前手工配置。配置oracle用戶對等性：node1:[root@node1~]suoraclenode1env|grepORAORACLE_UNQNAME=devdbORACLE_SID=devdb1ORACLE_BASE=/u01/app/oracleORACLE_HOSTNAME=ORACLE_TERM=xtermORACLE_HOME=/u01/app/oracle/product/node1pwd/home/oraclenode1mkdir160