网站视觉规范怎么做,手工制作折纸,网站建设后帐号密码,网站怎么做数据备份环境现状#xff1a;两台虚拟主机A和B#xff1a;1. A机器已安装ASM存储的Oracle 11g 实例2. B机器已安装系统#xff0c;配置以及目录结构均和A机器保持一致/u01 3块ASM盘DG部署规划#xff1a;primarystandby主机JY-DBJY-DBSdb_namejyzhaojyzhaodb_unique_namejyzhaojyz…环境现状两台虚拟主机A和B1. A机器已安装ASM存储的Oracle 11g 实例2. B机器已安装系统配置以及目录结构均和A机器保持一致/u01 3块ASM盘DG部署规划primarystandby主机JY-DBJY-DBSdb_namejyzhaojyzhaodb_unique_namejyzhaojyzhao_sinstance_namejyzhaojyzhao_s存储DATA1DATA1归档/u01/app/oracle/product/11.2.0/db_1/dbs/arch/u01/app/oracle/product/11.2.0/db_1/dbs/archDGMGRLjyzhao_dgmgrljyzhao_s_dgmgrlGRID_HOME/u01/app/11.2.0/grid/u01/app/11.2.0/gridORACLE_HOME/u01/app/oracle/product/11.2.0/db_1/u01/app/oracle/product/11.2.0/db_1一、前期准备1.1. A机器打包拷贝/u01/app到B机器(包含了grid和oracle软件安装目录)# tar -zcvf app.tar.gz app# scp app.tar.gz 192.168.99.160:/u01/root192.168.99.160s password:app.tar.gz 100% 3564MB 54.8MB/s 01:05B机器解压解压前确保第二步操作已完成。# pwd/u01[rootJY-DBS u01]# lsapp.tar.gz lostfound[rootJY-DBS u01]# tar -zxvf app.tar.gz解压完成后检查权限是正确的# ls -lhtotal 3.5Gdrwxrwxr-x. 7 oracle oinstall 4.0K Mar 13 14:47 app-rw-r--r--. 1 root root 3.5G Mar 15 22:28 app.tar.gz1.2. B机器配置用户系统参数安装依赖包用户环境变量ASM磁盘配置用户系统参数安装依赖包用户环境变量注在第一步解压前做完会发现权限都是正确的不用费心再改root用户执行脚本# /u01/app/oraInventory/orainstRoot.sh# /u01/app/11.2.0/grid/root.sh# /u01/app/11.2.0/grid/perl/bin/perl -I/u01/app/11.2.0/grid/perl/lib -I/u01/app/11.2.0/grid/crs/install /u01/app/11.2.0/grid/crs/install/roothas.pl配置has需要建立asm磁盘组环境变量vi $ORACLE_HOME/dbs/initASM.ora*.asm_diskstring/dev/mapper/ora**.asm_power_limit1*.diagnostic_dest/u01/app/grid*.instance_typeasm*.large_pool_size12M*.remote_login_passwordfileEXCLUSIVE$ sqlplus / as sysdbaSQL*Plus: Release 11.2.0.4.0 Production on Mon Mar 16 10:51:02 2015Copyright (c) 1982, 2013, Oracle. All rights reserved.Connected to an idle instance.SQL startupORA-01078: failure in processing system parametersORA-29701: unable to connect to Cluster Synchronization Service$ crsctl stat res -t--------------------------------------------------------------------------------NAME TARGET STATE SERVER STATE_DETAILS--------------------------------------------------------------------------------Local Resources--------------------------------------------------------------------------------ora.onsOFFLINE OFFLINE jy-dbs--------------------------------------------------------------------------------Cluster Resources--------------------------------------------------------------------------------ora.cssd1 OFFLINE OFFLINEora.diskmon1 OFFLINE OFFLINEora.evmd1 ONLINE ONLINE jy-dbs$ crsctl start resource ora.cssdCRS-2672: Attempting to start ora.cssd on jy-dbsCRS-2672: Attempting to start ora.diskmon on jy-dbsCRS-2676: Start of ora.diskmon on jy-dbs succeededCRS-2676: Start of ora.cssd on jy-dbs succeeded$ crsctl status res -t--------------------------------------------------------------------------------NAME TARGET STATE SERVER STATE_DETAILS--------------------------------------------------------------------------------Local Resources--------------------------------------------------------------------------------ora.onsOFFLINE OFFLINE jy-dbs--------------------------------------------------------------------------------Cluster Resources--------------------------------------------------------------------------------ora.cssd1 ONLINE ONLINE jy-dbsora.diskmon1 OFFLINE OFFLINEora.evmd1 ONLINE ONLINE jy-dbs$ sqlplus / as sysasmSQL*Plus: Release 11.2.0.4.0 Production on Mon Mar 16 10:55:39 2015Copyright (c) 1982, 2013, Oracle. All rights reserved.Connected to an idle instance.SQL startupASM instance startedTotal System Global Area 1135747072 bytesFixed Size 2260728 bytesVariable Size 1108320520 bytesASM Cache 25165824 bytesORA-15110: no diskgroups mountedSQL select status from v$instance;STATUS------------------------STARTEDcol description for a35col process for a35set linesize 120select sid, serial#, process, name, description from v$session join v$bgprocess using(paddr);col path for a45col name for a30select group_number, disk_number, mount_status, name, path from v$asm_disk order by group_number, disk_number;GROUP_NUMBER DISK_NUMBER MOUNT_STATUS NAME PATH------------ ----------- -------------- ------------------------------ ---------------------------------------------0 0 CLOSED /dev/mapper/ora_vg-lv_asm30 1 CLOSED /dev/mapper/ora_vg-lv_asm20 2 CLOSED /dev/mapper/ora_vg-lv_asm1查看A机器的磁盘组信息select group_number, name, type, total_mb, free_mb from v$asm_diskgroupGROUP_NUMBER NAME TYPE TOTAL_MB FREE_MB------------ ------------------------------------------------------------ ------------ ---------- ----------1 DATA1 EXTERN 30708 29017B机器创建ASM磁盘组DATA1select group_number, name, type, total_mb, free_mb from v$asm_diskgroup;no rows selectedCREATE DISKGROUP data1 EXTERNAL REDUNDANCY DISK /dev/mapper/ora*;Diskgroup created.select group_number, name, type, total_mb, free_mb from v$asm_diskgroup;GROUP_NUMBER NAME TYPE TOTAL_MB FREE_MB------------ ------------------------------------------------------------ ------------ ---------- ----------1 DATA1 EXTERN 30708 30654至此准备工作结束。二、DG部署配置1. primary database 配置确保将数据库的force_logging打开设置为归档模式数据库闪回打开SQL select name from v$datafile;NAME--------------------------------------------------------------------------------DATA1/jyzhao/datafile/system.256.874084601DATA1/jyzhao/datafile/sysaux.257.874084601DATA1/jyzhao/datafile/undotbs1.258.874084601DATA1/jyzhao/datafile/users.259.874084601SQL select force_logging from v$database;FOR---NOSQL alter database force logging;Database altered.SQL shutdown immediate;Database closed.Database dismounted.ORACLE instance shut down.SQL startup mountORACLE instance started.Total System Global Area 1620115456 bytesFixed Size 2253704 bytesVariable Size 1006636152 bytesDatabase Buffers 603979776 bytesRedo Buffers 7245824 bytesDatabase mounted.SQL alter database archivelog;Database altered.SQL alter database flashback on;alter database flashback on*ERROR at line 1:ORA-38706: Cannot turn on FLASHBACK DATABASE logging.ORA-38709: Recovery Area is not enabled.SQL archive log listDatabase log mode Archive ModeAutomatic archival EnabledArchive destination /u01/app/oracle/product/11.2.0/db_1/dbs/archOldest online log sequence 12Next log sequence to archive 14Current log sequence 14$ mkdir -p /u01/app/oracle/product/11.2.0/db_1/dbs/archSQL alter database flashback on;alter database flashback on*ERROR at line 1:ORA-38706: Cannot turn on FLASHBACK DATABASE logging.ORA-38709: Recovery Area is not enabled.SQL show parameter db_recoverNAME TYPE VALUE------------------------------------ ----------- ------------------------------db_recovery_file_dest stringdb_recovery_file_dest_size big integer 0SQL alter system set db_recovery_file_dest_size5G;System altered.SQL alter system set db_recovery_file_dest/u01/app/oracle/product/11.2.0/db_1/dbs/arch;System altered.SQL select status from v$instance;STATUS------------MOUNTEDSQL alter database flashback on;Database altered.按之前的规划设置数据库的参数主要是db_unique_name, log_archive_config, log_archive_dest_1, log_archive_dest_2, log_archive_format, fal_server, fal_client, standby_file_management的设置standby logfile的添加密码文件的创建。alter system set db_unique_namejyzhao scopespfile;alter system set log_archive_configDG_CONFIG(jyzhao,jyzhao_s) scopespfile;alter system set log_archive_dest_1LOCATION/u01/app/oracle/product/11.2.0/db_1/dbs/arch VALID_FOR(ALL_LOGFILES,ALL_ROLES) DB_UNIQUE_NAMEjyzhao scopespfile;alter system set log_archive_dest_2SERVICEjyzhao_s ASYNC LGWR VALID_FOR(ONLINE_LOGFILES,PRIMARY_ROLE) DB_UNIQUE_NAMEjyzhao_s scopespfile;alter system set log_archive_formatarch_%r_%t_%s.arc scopespfile;alter system set fal_serverjyzhao_s scopespfile;alter system set fal_clientjyzhao scopespfile;alter system set standby_file_managementAUTO;alter database add standby logfile group 4 size 50M;alter database add standby logfile group 5 size 50M;alter database add standby logfile group 6 size 50M;alter database add standby logfile group 7 size 50M;rm /u01/app/oracle/product/11.2.0/db_1/dbs/orapwjyzhaoorapwd file$ORACLE_HOME/dbs/orapwjyzhao passwordoracle entries10 ignorecaseYgrid用户配置监听--listener.oraDGL (DESCRIPTION (ADDRESS (PROTOCOL TCP)(HOST JY-DB)(PORT 1521)))SID_LIST_DGL (SID_LIST (SID_DESC (GLOBAL_DBNAME jyzhao)(ORACLE_HOME /u01/app/oracle/product/11.2.0/db_1)(SID_NAME jyzhao))(SID_DESC (GLOBAL_DBNAME jyzhao_dgmgrl)(ORACLE_HOME /u01/app/oracle/product/11.2.0/db_1)(SID_NAME jyzhao)))ADR_BASE_DGL /u01/app/gridoracle用户配置tnsnames.ora--tnsnames.oraLINUXIDC (DESCRIPTION (ADDRESS (PROTOCOL TCP)(HOST JY-DB)(PORT 1521))(CONNECT_DATA (SERVER DEDICATED)(SERVICE_NAME jyzhao )))LINUXIDC_S (DESCRIPTION (ADDRESS (PROTOCOL TCP)(HOST JY-DBS)(PORT 1521))(CONNECT_DATA (SERVER DEDICATED)(SERVICE_NAME jyzhao_s)))grid用户重启监听lsnrctl stop dgllsnrctl start dgloracle用户测试连接SQL show parameter audiNAME TYPE VALUE------------------------------------ ----------- ------------------------------audit_file_dest string /u01/app/oracle/admin/jyzhao/adump重启primaryshutdown immediatestartup2.机器Bstandby数据库配置grid用户配置监听--listener.oraDGL (DESCRIPTION (ADDRESS (PROTOCOL TCP)(HOST JY-DBS)(PORT 1521)))SID_LIST_DGL (SID_LIST (SID_DESC (GLOBAL_DBNAME jyzhao_s)(ORACLE_HOME /u01/app/oracle/product/11.2.0/db_1)(SID_NAME jyzhao_s))(SID_DESC (GLOBAL_DBNAME jyzhao_s_dgmgrl)(ORACLE_HOME /u01/app/oracle/product/11.2.0/db_1)(SID_NAME jyzhao_s) ))ADR_BASE_DGL /u01/app/gridgrid用户启动监听$ lsnrctl start dgloracle用户配置tnsnames.ora--tnsnames.oraLINUXIDC (DESCRIPTION (ADDRESS (PROTOCOL TCP)(HOST JY-DB)(PORT 1521))(CONNECT_DATA (SERVER DEDICATED)(SERVICE_NAME jyzhao )))LINUXIDC_S (DESCRIPTION (ADDRESS (PROTOCOL TCP)(HOST JY-DBS)(PORT 1521))(CONNECT_DATA (SERVER DEDICATED)(SERVICE_NAME jyzhao_s)))echo db_namejyzhao $ORACLE_HOME/dbs/initjyzhao_s.oraecho $ORACLE_SIDsqlplus / as sysdbastartup nomountoracle用户测试连接 3.机器A操作 duplicate数据库到机器B验证到机器B可以登录$ sqlplus sys/oraclejyzhao_s as sysdbavi duplicate_dg.sqlduplicate target databasefor standbyfrom active databaseDORECOVERspfileset db_unique_namejyzhao_sset log_archive_dest_1location/u01/app/oracle/product/11.2.0/db_1/dbs/arch VALID_FOR(ALL_LOGFILES,ALL_ROLES)DB_UNIQUE_NAMEjyzhao_sset log_archive_dest_2SERVICEjyzhao ASYNC LGWRVALID_FOR(ONLINE_LOGFILES,PRIMARY_ROLE) DB_UNIQUE_NAMEjyzhaoset standby_file_managementAUTOset fal_serverjyzhaoset fal_clientjyzhao_sset control_filesDATA1set memory_target0set sga_target600M;[oracleJY-DB ~]$ rman target / auxiliary sys/oraclejyzhaos cmdfileduplicate_standby.sqlRecovery Manager: Release 11.2.0.4.0 - Production on Mon Mar 16 23:21:37 2015Copyright (c) 1982, 2011, Oracle and/or its affiliates. All rights reserved.connected to target database: LINUXIDC (DBID2463175424)connected to auxiliary database: LINUXIDC (not mounted)RMAN duplicate target database2 for standby3 from active database4 DORECOVER5 spfile6 set db_unique_namejyzhao_s7 set log_archive_dest_1location/u01/app/oracle/product/11.2.0/db_1/dbs/arch VALID_FOR(ALL_LOGFILES,ALL_ROLES)8 DB_UNIQUE_NAMEjyzhao_s9 set log_archive_dest_2SERVICEMACDBN ASYNC LGWR10 VALID_FOR(ONLINE_LOGFILES,PRIMARY_ROLE) DB_UNIQUE_NAMEjyzhao11 set standby_file_managementAUTO12 set fal_serverjyzhao13 set fal_clientjyzhao_s14 set control_filesDATA115 set memory_target016 set sga_target600M;17Starting Duplicate Db at 16-MAR-15using target database control file instead of recovery catalogallocated channel: ORA_AUX_DISK_1channel ORA_AUX_DISK_1: SID111 device typeDISK……Recovery Manager complete.[oracleJY-DB ~]$4. B机器 srvctl add数据库jyzhao_s注开始_s有问题是因为添加指定的参数不足srvctl add database -d jyzhao_s -o /u01/app/oracle/product/11.2.0/db_1 -p DATA1/LINUXIDC_S/spfilejyzhao_s.ora -n jyzhao -i jyzhao_ssrvctl modify database -d jyzhao_s -r PHYSICAL_STANDBY三、DG切换测试3.1 手动switchover1主库切换成standby启动到mountselect OPEN_MODE, DATABASE_ROLE, SWITCHOVER_STATUS, FORCE_LOGGING, DATAGUARD_BROKER, GUARD_STATUS from v$database;alter database commit to switchover to physical standby;2.备份切换成primary启动到openselect OPEN_MODE, DATABASE_ROLE, SWITCHOVER_STATUS, FORCE_LOGGING, DATAGUARD_BROKER, GUARD_STATUS from v$database;alter database commit to switchover to primary;3.新的备份执行日志应用alter database recover managed standby database using current logfile disconnect from session;3.2 Data Guard Broker 快速switchoverSQL show parameter dg_broker_startNAME TYPE VALUE------------------------------------ ----------- ------------------------------dg_broker_start boolean FALSESQL alter system set dg_broker_start true;System altered.SQL show parameter dg_broker_startNAME TYPE VALUE------------------------------------ ----------- ------------------------------dg_broker_start boolean TRUE配置dgmgrlcreate CONFIGURATION jydb as primary database is jyzhao CONNECT IDENTIFIER IS jyzhao;add database jyzhao_s as CONNECT IDENTIFIER IS jyzhao_s MAINTAINED AS PHYSICAL;enable configuration;show configuration;switchover to jyzhao_s;switchover to jyzhao;show database verbose jydb
