在RAC上部署OGG并配置OGG高可用
2020-09-17 10:42
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[TOC]
简介
由于业务系统要与大数据平台进行对接，需要将Oracle DB的数据同步到异构数据库上，故选用也不得不用上了Goldengate方案 然鹅，OGG在RAC上的HA配置一直众说纷纭，我搜索了下发现多数为single node的配置。几经探索，在这里将OGG在RAC的HA配置整理起来，为需要的伙伴提供一点思路
半部分数据已进行脱敏。
环境信息
源端数据库信息
| HOSTNAME | IP | DB/schema |
|---|---|---|
| dbdc1 | 10.0.24.131 (scan:10.0.24.135\136\137) | CTCN/POS |
| dbdc2 | 10.0.24.132 (scan:10.0.24.135\136\137) | CTCN/POS |
源端数据库版本：Oracle DB 12.1.0.1 RAC (SE)
OGG版本：OGG-12.2.0.1
计划的OGG VIP：10.0.24.138
目标端：OGG for bigdata
目标端地址：10.18.0.41
安装OGG
配置ACFS，mount到/u01/ogg
配置oracle用户环境变量
[root@dbdc1 ogg]# ~oracle/.bash_profile 新增 export OGG_HOME=/u01/ogg/gg PATH=$PATH:$HOME/bin:$ORACLE_HOME/bin:$ORACLE_HOME/OPatch:$OGG_HOME export LD_LIBRARY_PATH=$ORACLE_HOME/lib
创建目录并设置权限
[root@dbdc1 ogg]# mdkir /u01/ogg/gg [root@dbdc1 ogg]# chown -R oracle:oinstall /u01/ogg
下载OGG 12.2.0.1 安装包并上传
[root@dbdc1 ogg]# ls -lh /u01/software/V100692-01.zip -rw-r--r-- 1 oracle oinstall 454M Sep 9 14:25 /u01/software/V100692-01.zip
解压
[root@dbdc1 software]# unzip V100692-01.zip -d ogg
使用oracle用户，通过X11安装
[oracle@dbdc1 Disk1]$ pwd /u01/software/ogg/fbo_ggs_Linux_x64_shiphome/Disk1 [oracle@dbdc1 Disk1]$ ./runInstaller
指定安装位置为ACFS的挂载点/u01/ogg/gg
完成安装
配置数据库
开启数据库级别日志补充
[oracle@dbdc1 ~]$ export ORACLE_SID=CTCN1 [oracle@dbdc1 ~]$ sqlplus / as sysdba SQL> ALTER DATABASE FORCE LOGGING; Database altered. SQL> ALTER DATABASE ADD SUPPLEMENTAL LOG DATA; Database altered. SQL> ALTER SYSTEM ARCHIVE LOG CURRENT; System altered. SQL> col open_mode for a10 SQL> col FORCE_LOGGING for a10 SQL> SELECT name,open_mode,force_logging,supplemental_log_data_min FROM v$database; NAME OPEN_MODE FORCE_LOGG SUPPLEMENTAL_LOG_DATA_MI --------------------------- ---------- ---------- ------------------------ CTCN READ WRITE YES YES
在dbdc1为OGG单独创建TNS
这一步并不是必要的，如果OGG只负责一个database，那么可以不配置TNS
由于我这里的案例是要为多个instance做extract，因此每个extract连接不同的database，就要用到TNS
CTCN_OGG = (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = 10.0.24.136)(PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = CTCN) ) )
创建OGG管理用户及其表空间
SQL> create tablespace ogg datafile '+ASM_DAT1' size 1M autoextend on maxsize 10G; Tablespace created. SQL> create user ogg default tablespace ogg identified by ogg; User created. SQL> grant connect,resource,dba to ogg; Grant succeeded.
配置OGG
设置OGG全局参数
[oracle@dbdc1 ~]$ cd /u01/ogg/gg/ [oracle@dbdc1 gg]$ ggsci GGSCI (dbdc1) 1> EDIT PARAMS ./GLOBALS GGSCHEMA ogg
Source端，OGG设置， 配置管理进程
GGSCI (dbdc1) 2> EDIT PARAM MGR PORT 7809 AUTOSTART ER * AUTORESTART ER *,RETRIES 3,WAITMINUTES 5,RESETMINUTES 60 LAGREPORTHOURS 1 LAGINFOMINUTES 3 LAGCRITICALMINUTES 10 PURGEOLDEXTRACTS /u01/ogg/datdir/*,USECHECKPOINTS,MINKEEPDAYS 1 GGSCI (dbdc1) 8> DBLOGIN userid ogg@CTCN1_OGG, password ogg Successfully logged into database.
创建checkpoint表
GGSCI (dbdc1 as ogg@CTCN1) 9> add checkpointtable ogg.ggs_checkpoint Successfully created checkpoint table ogg.ggs_checkpoint.
添加跟踪对象，pos下所有表
GGSCI (dbdc1 as ogg@CTCN1) 11> ADD TRANDATA pos.* ... ...
配置extract
源端是双节点RAC，此处设置参数THREADS 2
配置extract
ADD EXTRACT ext_pos1,TRANLOG,BEGIN NOW,THREADS 2
指定extract的trail位置
ADD EXTTRAIL /u01/ogg/datdir/po, EXTRACT ext_pos1 MEGABYTES 50
配置extract参数
源端是双节点RAC，此处设置参数 TRANLOGOPTIONS DBLOGREADER GGSCI (dbdc1 as ogg@CTCN1) 5> EDIT PARAMS ext_pos1 EXTRACT ext_pos1 USERID ogg@CTCN_OGG, PASSWORD ogg TRANLOGOPTIONS DBLOGREADER EXTTRAIL /u01/ogg/datdir/po TABLE pos.*;
查看
GGSCI (dbdc1) 9> info all Program Status Group Lag at Chkpt Time Since Chkpt MANAGER RUNNING EXTRACT STOPPED EXT_pos1 00:00:00 00:00:36 GGSCI (dbdc1) 10> start ext ext_pos1 GGSCI (dbdc1) 11> info all Program Status Group Lag at Chkpt Time Since Chkpt MANAGER RUNNING EXTRACT RUNNING EXT_pos1 00:00:00 00:00:07
查看trail目录
[oracle@dbdc1 datdir]$ pwd /u01/ogg/datdir [oracle@dbdc1 datdir]$ ll -h total 1.2M -rw-r----- 1 oracle oinstall 1.1M Sep 10 10:15 po000000000
配置投递进程，设置本地trail
GGSCI (dbdc1) 1> ADD EXTRACT DP_pos1 EXTTRAILSOURCE /u01/ogg/datdir/po EXTRACT added.
为投递进程DP_pos1 设置远程trail目标
GGSCI (dbdc1) 2> ADD RMTTRAIL /data/ogg_app/dirdat/po, EXTRACT DP_pos1 RMTTRAIL added.
配置DP_pos1参数文件
GGSCI (dbdc1) 3> edit param DP_pos1 EXTRACT DP_pos1 USERID ogg@CTCN_OGG, PASSWORD ogg RMTHOST 10.18.0.41, MGRPORT 7809 RMTTRAIL /data/ogg_app/dirdat/po TABLE pos.*;
启动OGG
GGSCI (dbdc1) 4> start dp_pos1 GGSCI (dbdc1) 5> info all Program Status Group Lag at Chkpt Time Since Chkpt MANAGER RUNNING EXTRACT RUNNING EXT_pos1 00:00:00 00:00:03 EXTRACT RUNNING DP_pos1 00:00:00 00:00:02
检查目标端，应用trail file，配置完成。
在RAC上配置OGG的高可用
VIP：10.0.24.138
VIP_name:oggvip
查询当前RAC网络信息
[grid@dbdc1 ~]$ crsctl stat res -p |grep -ie .network -ie subnet |grep -ie name -ie subnet REGISTRATION_INVITED_SUBNETS= REGISTRATION_INVITED_SUBNETS= REGISTRATION_INVITED_SUBNETS= NAME=ora.net1.network USR_ORA_SUBNET=10.0.24.0
在GRID中添加OGG的VIP资源
[root@dbdc1 ~]# /u01/grid/product/12.1.0/grid/bin/appvipcfg create -network=1 -ip=10.0.24.138 -vipname=oggvip -user=root Production Copyright 2007, 2008, Oracle.All rights reserved 2020-09-14 15:57:52: Creating Resource Type 2020-09-14 15:57:52: Executing /u01/grid/product/12.1.0/grid/bin/crsctl add type app.appvip_net1.type -basetype ora.cluster_vip_net1.type -file /u01/grid/product/12.1.0/grid/crs/template/appvip.type 2020-09-14 15:57:52: Executing cmd: /u01/grid/product/12.1.0/grid/bin/crsctl add type app.appvip_net1.type -basetype ora.cluster_vip_net1.type -file /u01/grid/product/12.1.0/grid/crs/template/appvip.type 2020-09-14 15:57:52: Command output: > CRS-2728: A resource type with the name 'app.appvip_net1.type' is already registered > CRS-4000: Command Add failed, or completed with errors. >End Command output CRS-2728: A resource type with the name 'app.appvip_net1.type' is already registered CRS-4000: Command Add failed, or completed with errors. 2020-09-14 15:57:52: Create the Resource 2020-09-14 15:57:52: Executing /u01/grid/product/12.1.0/grid/bin/crsctl add resource oggvip -type app.appvip_net1.type -attr "USR_ORA_VIP=10.0.24.138,START_DEPENDENCIES=hard(ora.net1.network) pullup(ora.net1.network),STOP_DEPENDENCIES=hard(ora.net1.network),ACL='owner:root:rwx,pgrp:root:r-x,other::r--,user:root:r-x',HOSTING_MEMBERS=dbdc1,APPSVIP_FAILBACK=" 2020-09-14 15:57:52: Executing cmd: /u01/grid/product/12.1.0/grid/bin/crsctl add resource oggvip -type app.appvip_net1.type -attr "USR_ORA_VIP=10.0.24.138,START_DEPENDENCIES=hard(ora.net1.network) pullup(ora.net1.network),STOP_DEPENDENCIES=hard(ora.net1.network),ACL='owner:root:rwx,pgrp:root:r-x,other::r--,user:root:r-x',HOSTING_MEMBERS=dbdc1,APPSVIP_FAILBACK="
将OGGVIP资源授权给oracle用户
[root@dbdc1 ~]# /u01/grid/product/12.1.0/grid/bin/crsctl setperm resource oggvip -u user:oracle:r-x
查看状态并启动OGGVIP
[root@dbdc1 ~]# /u01/grid/product/12.1.0/grid/bin/crsctl status resource oggvip NAME=oggvip TYPE=app.appvip_net1.type TARGET=OFFLINE STATE=OFFLINE [root@dbdc1 ~]# /u01/grid/product/12.1.0/grid/bin/crsctl start resource oggvip CRS-2672: Attempting to start 'oggvip' on 'dbdc1' CRS-2676: Start of 'oggvip' on 'dbdc1' succeeded [root@dbdc1 ~]# /u01/grid/product/12.1.0/grid/bin/crsctl status resource oggvip NAME=oggvip TYPE=app.appvip_net1.type TARGET=ONLINE STATE=ONLINE on dbdc1 [root@dbdc1 ~]# /u01/grid/product/12.1.0/grid/bin/crsctl stat res -t -------------------------------------------------------------------------------- Cluster Resources -------------------------------------------------------------------------------- oggvip 1 ONLINE ONLINE dbdc1 STABLE
在ACFS上创建适用于grid的ogg控制脚本
mkdir /u01/ogg/gg/scripts vi ogg_act.scr
#!/bin/sh
#set the Oracle Goldengate installation directory
export OGG_HOME=/u01/ogg/gg
#set the oracle home to the database to ensure GoldenGate will get the
#right environment settings to be able to connect to the database
export ORACLE_HOME=/u01/app/oracle/product/12.1.0/db_1
#specify delay after start before checking for successful start
start_delay_secs=5
#Include the GoldenGate home in the library path to start GGSCI
export LD_LIBRARY_PATH=$ORACLE_HOME/lib:${OGG_HOME}:${LD_LIBRARY_PATH}
#check_process validates that a manager process is running at the PID
#that GoldenGate specifies.
check_process () {
if ( [ -f "${OGG_HOME}/dirpcs/MGR.pcm" ] )
then
pid=`cut -f8 "${OGG_HOME}/dirpcs/MGR.pcm"`
if [ ${pid} = `ps -e |grep ${pid} |grep mgr |cut -d " " -f2` ]
then
#manager process is running on the PID exit success
exit 0
else
if [ ${pid} = `ps -e |grep ${pid} |grep mgr |cut -d " " -f1` ]
then
#manager process is running on the PID exit success
exit 0
else
#manager process is not running on the PID
exit 1
fi
fi
else
#manager is not running because there is no PID file
exit 1
fi
}
#call_ggsci is a generic routine that executes a ggsci command
call_ggsci () {
ggsci_command=$1
ggsci_output=`${OGG_HOME}/ggsci<<EOF
${ggsci_command}
exit
EOF`
}
case $1 in
'start')
#start manager
call_ggsci 'start manager'
#there is a small delay between issuing the start manager command
#and the process being spawned on the OS. wait before checking
sleep ${start_delay_secs}
#check whether manager is running and exit accordingly
check_process
;;
'stop')
#attempt a clean stop for all non-manager processes
#call_ggsci 'stop er *'
#ensure everything is stopped
call_ggsci 'stop er *!'
#call_ggsci 'kill er *'
#stop manager without (y/n) confirmation
call_ggsci 'stop manager!'
#exit success
exit 0
;;
'check')
check_process
;;
'clean')
#attempt a clean stop for all non-manager processes
#call_ggsci 'stop er *'
#ensure everything is stopped
#call_ggsci 'stop er *!'
#in case there are lingering processes
call_ggsci 'kill er *'
#stop manager without (y/n) confirmation
call_ggsci 'stop manager!'
#exit success
exit 0
;;
'abort')
#ensure everything is stopped
call_ggsci 'stop er *!'
#in case there are lingering processes
call_ggsci 'kill er *'
#stop manager without (y/n) confirmation
call_ggsci 'stop manager!'
#exit success
exit 0
;;
esac
使用oracle用户添加oggapp，并授权给oracle用户管理
[oracle@dbdc1 scripts]$ ls /u01/ogg/gg/scripts/ogg_act.scr /u01/ogg/gg/scripts/ogg_act.scr [oracle@dbdc1 scripts]$ chmod +x /u01/ogg/gg/scripts/ogg_act.scr [root@dbdc1 ~]# /u01/grid/product/12.1.0/grid/bin/crsctl add resource oggapp -type cluster_resource \ > -attr "ACTION_SCRIPT=/u01/ogg/gg/scripts/ogg_act.scr, \ > CHECK_INTERVAL=30, START_DEPENDENCIES='hard(oggvip,ora.asm) \ > pullup(oggvip)', STOP_DEPENDENCIES='hard(oggvip)'" [root@dbdc1 ~]# /u01/grid/product/12.1.0/grid/bin/crsctl status resource oggapp NAME=oggapp TYPE=cluster_resource TARGET=OFFLINE STATE=OFFLINE [root@dbdc1 ~]# /u01/grid/product/12.1.0/grid/bin/crsctl setperm resource oggapp -o oracle
使用GRID启动OGG
[root@dbdc1 ~]# /u01/grid/product/12.1.0/grid/bin/crsctl status resource oggapp NAME=oggapp TYPE=cluster_resource TARGET=OFFLINE STATE=OFFLINE [root@dbdc1 ~]# /u01/grid/product/12.1.0/grid/bin/crsctl start resource oggapp CRS-2679: Attempting to clean 'oggapp' on 'dbdc1' CRS-2681: Clean of 'oggapp' on 'dbdc1' succeeded CRS-2672: Attempting to start 'oggapp' on 'dbdc1' CRS-2676: Start of 'oggapp' on 'dbdc1' succeeded [root@dbdc1 ~]# /u01/grid/product/12.1.0/grid/bin/crsctl status resource oggapp NAME=oggapp TYPE=cluster_resource TARGET=ONLINE STATE=ONLINE on dbdc1 尝试一下停止 [root@dbdc1 ~]# /u01/grid/product/12.1.0/grid/bin/crsctl stop resource oggapp CRS-2673: Attempting to stop 'oggapp' on 'dbdc1' CRS-2677: Stop of 'oggapp' on 'dbdc1' succeeded GGSCI (dbdc1) 2> info all Program Status Group Lag at Chkpt Time Since Chkpt MANAGER STOPPED EXTRACT STOPPED DP_POS1 00:00:00 00:00:03 EXTRACT STOPPED EXT_POS1 00:00:02 00:00:01 尝试一下启动 [root@dbdc1 ~]# /u01/grid/product/12.1.0/grid/bin/crsctl start resource oggapp CRS-2672: Attempting to start 'oggapp' on 'dbdc1' CRS-2676: Start of 'oggapp' on 'dbdc1' succeeded GGSCI (dbdc1) 3> info all Program Status Group Lag at Chkpt Time Since Chkpt MANAGER RUNNING EXTRACT RUNNING DP_POS1 00:00:00 00:00:03 EXTRACT RUNNING EXT_POS1 00:00:01 00:00:06
grid控制成功
failover测试
注意将tnsnames配置同步到另一个节点上
[root@dbdc1 ~]# /u01/grid/product/12.1.0/grid/bin/crsctl relocate resource oggapp -f CRS-2673: Attempting to stop 'oggapp' on 'dbdc1' CRS-2677: Stop of 'oggapp' on 'dbdc1' succeeded CRS-2673: Attempting to stop 'oggvip' on 'dbdc1' CRS-2677: Stop of 'oggvip' on 'dbdc1' succeeded CRS-2672: Attempting to start 'oggvip' on 'dbdc2' CRS-2676: Start of 'oggvip' on 'dbdc2' succeeded CRS-2672: Attempting to start 'oggapp' on 'dbdc2' CRS-2676: Start of 'oggapp' on 'dbdc2' succeeded GGSCI (dbdc1) 4> info all Program Status Group Lag at Chkpt Time Since Chkpt MANAGER RUNNING EXTRACT STOPPED DP_POS1 00:00:00 00:00:28 EXTRACT STOPPED EXT_POS1 00:00:00 00:00:27 GGSCI (dbdc2) 1> info all Program Status Group Lag at Chkpt Time Since Chkpt MANAGER RUNNING EXTRACT RUNNING DP_POS1 00:00:00 00:00:01 EXTRACT RUNNING EXT_POS1 00:00:00 00:00:09
完成。
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