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linux下创建DB2DAS实例.docx

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创建DASInstance首先创建对应实例的用户和组(dasusr1,dasadm1)[root@alandb2~]#groupadddasadm1[root@alandb2~]#mkdir-p/home/dasusr1[root@alandb2~]#useradd-d/home/dasusr1-gdasadm1dasusr1[root@alandb2~]#passwddasusr1Changingpasswordforuserdasusr1.NewUNIXpassword:BADPASSWORD:itisbasedonadictionarywordRetypenewUNIXpassword:创建DASInstance,需要利用到DB2DIR/Instance下面的dascrt命令(Windows平台，我们需要用db2admincreate命令来创建)：[root@alandb2instance]#pwd/opt/ibm/db2/V9.5/instance[root@alandb2instance]#./dascrtDBI1025IUsage:dascrt[-d]-uASUserExplanation:Aninvalidargumentwasenteredforthedascrtcommand.Validargumentsforthiscommandare:-dentersdebugmode,forusewithDB2Service-uASUseristheusertheDASwillrununderUserresponse:Formoreinformationaboutthiscommand,pleaserefertotheQuickBeginningsmanual.Enterthecommandagainasfollows:dascrt-uASUserConfirmthatuserIDsandgroupnamesusedtocreatetheDB2instancearevalid.Forinformationaboutnamingrules,seethetopiccalled"User,userIDandgroupnamingrules"intheDB2InformationCenter.我们来运行dascrt命令来创建名为dasusr1的DASInstance[root@alandb2instance]#./dascrt-udasusr1SQL4406WTheDB2AdministrationServerwasstartedsuccessfully.DBI1070IProgramdascrtcompletedsuccessfully.创建完成后，我们可以看到dasusr1主目录下的Instance文件已经建好。[dasusr1@alandb2~]$pwd/home/dasusr1[dasusr1@alandb2~]$lsdas[dasusr1@alandb2~]$cddas[dasusr1@alandb2das]$lsadmconvdasprofilejavametadatausercshrcbinctrldumplibmsguserprofilecfgdascshrcfunctionlogtmp我们可以通过db2adminstart或db2adminstop命令来起停DASInstance[dasusr1@alandb2das]$whichdb2admin~/das/bin/db2admin[dasusr1@alandb2das]$db2admindasusr1[dasusr1@alandb2das]$db2adminstopSQL4407WTheDB2AdministrationServerwasstoppedsuccessfully.[dasusr1@alandb2das]$db2adminstartSQL4406WTheDB2AdministrationServerwasstartedsuccessfully.如果我们的DB2数据库服务器版本升级，我们可以通过运行DB2DIR/instance/dasupdt的命令，对DASInstance进行升级。我们还可以通过dasdrop命令来删除DASInstance:[root@alandb2instance]#pwd/opt/ibm/db2/V9.5/instance[root@alandb2instance]#./dasdropSQL4407WTheDB2AdministrationServerwasstoppedsuccessfully.DBI1070IProgramdasdropcompletedsuccessfully.删除完成后，对应的实例目录也就不存在了: