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DB2知识讲座培训内容Servicesfile Duringtheinstancecreation,anumberofports,whichareequaltothenumberoflogicalnodesthattheinstanceiscapableofsupporting,arereservedintheservicesfile. TheportsthatarereservedintheservicesfileareusedbytheDB2FastCommunicationManager.Thereservedportshavethefollowingformat: Cat/etc/services|grepdb2 /etc/serviceswithforportsreservedfordb2inst1 DB2_InstanceName端口号 DB2_InstanceName_1端口号 DB2_InstanceName_2端口号 DB2_InstanceName_END端口号 DatabasepartitionscanbeaddedtoaDPFenvironmentbyusingthefollowingcommands: db2start...ADDDBPARTITIONNUM ADDDBPARTITIONNUM Thedb2start...ADDDBPARTITIONNUMcommandstartsDB2andaddsanewpartitiontoanexistinginstanceanddatabase.7db2inst1@db2Two:~>exportDB2NODE=0(switchingpartitions) db2inst1@db2Two:~>db2terminate(终止db2后台进程使其有效) db2inst1@db2Two:~>db2connecttoitsodb db2inst1@db2Two:~>db2“values(currentdbpartitionnum)”(查看是否在0这个分区上) db2inst1@db2Two:~>db2“redistributedatabasepartitiongroupIBMDEFAULTGROUPuniform”(从新发布下数据) db2inst1@udb2Two:~>db2“selectdbpartitionnum(id),count(*)fromdb2inst1.studentgroupbydbpartitionnum(id)orderbydbpartitionnum(id)(查看数据分布情况) db2inst1@db2Two:~>exportDB2NODE=4 db2inst1@db2Two:~>db2terminate db2inst1@db2Two:~>db2dropdbpartitionumverify(验证是否含有数据,如如有需要从新发布) db2inst1@db2Two:~>exportDB2NODE=0 db2inst1@db2Two:~>db2terminate db2inst1@db2Two:~>db2connecttoitsodb db2inst1@db2Two:~>db2"alterdatabasepartitiongroupIBMDEFAULGROUPdropdbpartitionnum(4)“ db2inst1@db2Two:~>db2“redistributedatabasepartitiongroup IBMDEFAULTGROUPuniform” db2inst1@db2Two:~>exportexport=4 db2inst1@db2Two:~>db2terminate db2inst1@db2Two:~>db2dropdbpartitionumverify db2inst1@db2Two:~>db2stopdropdbpartitionnum4 Thankamillion13此课件下载可自行编辑修改,此课件供参考! 部分内容来源于网络,如有侵权请与我联系删除!感谢你的观看!