【EMCC】 12.1.0.5 OEM server agent 安装配置及监控MySQL数据库

【EMCC】Oracle Enterprise Manager Cloud Control 12.1.0.5 OEM server agent 安装配置及监控MySQL数据库

原文： https://www.cnblogs.com/hmwh/p/8649751.html

https://www.cnblogs.com/hmwh/p/9761138.html

http://www.cnblogs.com/hmwh/p/8657498.html

Oracle 12c（12.1.0.5）OEM server agent 安装配置

注意:

此文档为生产上操做文档，省略了IP，oracle用户server,agent 端至少须要sudo,ping,ssh,建立目录权限

1、安装要求

1.1. 系统状况一览

IP	数据库	OEM	操做系统	数据库版本
XX1	单机	service(12.1.0.5)	Linux 6.7	oracle11.2.0.4
XX2	RAC	agent	Linux 6.7	Oracle11.2.0.4
XX3	RAC	agent	Linux 6.7	Oracle11.2.0.4

 

注意：OEM管理RAC数据库须要先添加主机，集群高可用服务（也能够直接添加数据库，不添加高可用服务，后续文档补充），后添加数据库；单机先添加主机（不用添加集群高可用服务），后添加数据库，GC服务器很耗资源，须要安装oracle软件,建立实例再配置OEM服务端，agent端，建议服务端32G+内存。

1.2. 操做系统要求

安装Enterprise Manager Cloud Control 12c的硬件要求如如下列表，要求至少4G内存，

Linux 6.X 须要的依赖包以下：

yum -y install make binutils gcc libaio glibc-common libstdc++ sysstat glibc-devel glibc-devel

 

linux 5.X的依赖包以下：

yum -y install  make binutils gcc libaio glibc-common libstdc setarch sysstat rng-utils libXtst xorg-x11-utils

 

注意： server和agent端都须要安装依赖包

1.3. 软件要求

须要的软件包：

em12105_linux64_disk1

em12105_linux64_disk2

em12105_linux64_disk3

下载地址：

http://www.oracle.com/technetwork/oem/grid-control/downloads/linuxx8664soft-085949.html

 

1.4. 数据库要求

若是数据库配置了dbcontrol，使用以下命令将其删除：

SYSMAN_PWD: Password for SYSMAN user

SYS_PWD: Password for SYS user

$ emca -deconfig dbcontrol db -repos drop -SYS_PWD -SYSMAN_PWD

删除EM案例：

$ emca -deconfig dbcontrol db -repos drop -oracle -Oracle123

   

建立目录

mkdir -p /u01/app/oracle/Middleware/

mkdir -p /u01/app/oracle/agent

chown -R oracle:oinstall /u01/app/oracle/Middleware

chown -R oracle:oinstall /u01/app/oracle/agent

解压文件（同一个目录解压）

unzip em12105_linux64_disk1

unzip em12105_linux64_disk2

unzip em12105_linux64_disk3

2、开始安装Oracle 12c OEM

2.1. 安装Oracle 12c OEM server

注意：确保安装目录空间至少14G

修改一下参数：

可酌情修改参数，GC服务器很耗资源，建议参数不要过小。

 

oracle用户进入解压目录，运行./runInstaller

 

选择”Skip”跳过更新，点击NEXT

 

Prerequisite checks安装检测，如遇报错，请根据提示修改（或者忽略），点击NEXT

 

定制版本：

安装目录选择，middleware HOME目录必定要为空

 

Host name 能够不为域名格式

 

用户名密码设置：

weblogic/XXX

sysman/XXX 

  

   

 

配置oem服务用户名和密码：

 

 

 

 

服务端口号设置：默认便可：

 

 

下一步:

 

执行脚本：

 

 

查看服务器端的OEM 状态：

/u01/app/oracle/Middleware/oms/bin/emctl status oms

  

查看服务器端agent状态：

/u01/app/oracle/agent/agent_inst/bin/emctl status agent

 

控制台地址：

https://IP:7802/em

 

启动OEM时，须要先启动所在oms服务器的数据库，以及中间件控制台，最后启动OMS（安装完成后，默认已启动）,启动中间件管理台(默认服务器重启会自动启动)：

Root:

nohup /u01/app/oracle/gc_inst/user_projects/domains/GCDomain/bin/startWebLogic.sh  &

控制台地址：

https:// IP:7102/console

启动oms：

Oracle:

/u01/app/oracle/Middleware/oms/bin/emctl start oms -all

启动客户端：

/u01/app/oracle/agent/agent_inst/bin/emctl start agent

 

 

2.2. 服务端配置

 vi /etc/hosts

IP  hostname

 

[root@xxserver agent]# ln -s /usr/bin/sudo /usr/local/bin/sudo

[root@xxserver agent]# ls -lh /usr/local/bin/sudo

lrwxrwxrwx. 1 root root 13 Oct  9 11:08 /usr/local/bin/sudo -> /usr/bin/sudo

[root@xxserver agent]# ls -lh /usr/bin/sudo

---s--x--x. 1 root root 121K May  6  2015 /usr/bin/sudo

 [root@xxserver agent]# ls -l /etc/sudoers

-r--r-----. 1 root root 4002 Mar  2  2012 /etc/sudoers

[root@xxserver agent]# vi /etc/sudoers

打开/etc/sudoers 将如下三处修改

修改前:

Defaults requiretty

修改后:

Defaults:oracle !requiretty

修改前:

Defaults !visiblepw

修改后:

Defaults visiblepw

修改前:

##

## Allow root to run any commands anywhere

root ALL=(ALL) ALL

修改后

##

## Allow root to run any commands anywhere

root ALL=(ALL) ALL

oracle ALL=(ALL) ALL --这里加一行

以上三处修改完成后，save 文件

测试 oracle 可否正常 sudo

 

[oracle@xxserver ~]$ ls -lh /root/

ls: cannot open directory /root/: Permission denied

[oracle@xxserver ~]$ sudo ls -l /root

 

We trust you have received the usual lecture from the local System

Administrator. It usually boils down to these three things:

 

    #1) Respect the privacy of others.

    #2) Think before you type.

    #3) With great power comes great responsibility.

 

[sudo] password for oracle:

total 104

-rw-------. 1 root root  1554 Sep 27 17:04 anaconda-ks.cfg

drwxr-xr-x. 2 root root  4096 Sep 27 17:06 Desktop

drwxr-xr-x. 2 root root  4096 Sep 27 17:06 Documents

drwxr-xr-x. 2 root root  4096 Sep 27 17:06 Downloads

-rw-r--r--. 1 root root 51940 Sep 27 17:04 install.log

-rw-r--r--. 1 root root 10259 Sep 27 17:02 install.log.syslog

drwxr-xr-x. 2 root root  4096 Sep 27 17:06 Music

drwxr-xr-x. 2 root root  4096 Sep 27 17:06 Pictures

drwxr-xr-x. 2 root root  4096 Sep 27 17:06 Public

drwxr-xr-x. 2 root root  4096 Sep 27 17:06 Templates

drwxr-xr-x. 2 root root  4096 Sep 27 17:06 Videos

  

2.3. 安装agent

2.3.1 ． 前期环境准备

mkdir -p /u01/agent/

chmod oracle.oinstall /u01/agent

注意：

1./u01/agent/ 必定要为空。

2.全部监控服务器/etc/hosts　配置域名解析

3.全部服务器作如下sudo文件配置：

确保/usr/local/bin/sudo 这个符号连接存在

ROOT:

ln -s /usr/bin/sudo /usr/local/bin/sudo

ls -l /etc/sudoers

-r--r----- 1 root root 3407 Oct 18 19:30 /etc/sudoers

cp /etc/sudoers /etc/sudoers.bak

打开/etc/sudoers 将如下三处修改

修改前:

Defaults requiretty

修改后:

Defaults:oracle !requiretty

修改前:

Defaults !visiblepw

修改后:

Defaults visiblepw

修改前:

##

## Allow root to run any commands anywhere

root ALL=(ALL) ALL

修改后

##

## Allow root to run any commands anywhere

root ALL=(ALL) ALL

oracle ALL=(ALL) ALL --这里加一行

以上三处修改完成后，save 文件

测试 oracle 可否正常 sudo

su - oracle

ls -l /root

ls: /root: Permission denied

sudo ls -l /root

[sudo] password for oracle:

total 88

-rw------- 1 root root 1832 Aug 11 05:26 anaconda-ks.cfg

drwxr-xr-x 2 root root 4096 Aug 10 21:31 Desktop

-rw-r--r-- 1 root root 56307 Aug 11 05:26 install.log

-rw-r--r-- 1 root root 4136 Aug 11 05:26 install.log.syslog

 

同理设置其余被管理端(agent)：（xxhost1）为例：

[root@xxhost1 u01]# mkdir -p /app/u01/agent/

[root@xxhost1 u01]# chown -R oracle:oinstall /app/u01/agent

[root@xxhost1 u01]# cat /etc/hosts

IP hostname

[root@xxhost1 u01]# ls -lh /usr/bin/sudo

---s--x--x. 1 root root 121K May  6  2015 /usr/bin/sudo

[root@xxhost1 u01]# ls -l /etc/sudoers

-r--r-----. 1 root root 4002 Mar  2  2012 /etc/sudoers

[root@xxhost1 u01]# ls -lh /usr/local/bin/sudo

ls: cannot access /usr/local/bin/sudo: No such file or directory

[root@xxhost1 u01]# ln -s /usr/bin/sudo /usr/local/bin/sudo

[root@xxhost1 u01]# ls -lh /usr/local/bin/sudo

lrwxrwxrwx 1 root root 13 Oct  9 11:27 /usr/local/bin/sudo -> /usr/bin/sudo

[root@xxhost1 u01]# cp /etc/sudoers /etc/sudoers.bak

[root@xxhost1 u01]# chmod 755 /etc/sudoers

打开/etc/sudoers 将如下三处修改

修改前:

Defaults requiretty

修改后:

Defaults:oracle !requiretty

修改前:

Defaults !visiblepw

修改后:

Defaults visiblepw

修改前:

##

## Allow root to run any commands anywhere

root ALL=(ALL) ALL

修改后

##

## Allow root to run any commands anywhere

root ALL=(ALL) ALL

oracle ALL=(ALL) ALL --这里加一行

以上三处修改完成后，save 文件

测试 oracle 可否正常 sudo

[root@xxhost1 u01]# su - oracle

[oracle@xxhost1 ~]$ ls -lh /root/

ls: cannot open directory /root/: Permission denied

[oracle@xxhost1 ~]$ sudo ls -lh /root/

 

We trust you have received the usual lecture from the local System

Administrator. It usually boils down to these three things:

 

    #1) Respect the privacy of others.

    #2) Think before you type.

    #3) With great power comes great responsibility.

 

[sudo] password for oracle:

total 84K

-rw-------. 1 root root 1.7K Aug  1 08:07 anaconda-ks.cfg

drwxr-xr-x  2 root root 4.0K Aug  7 06:38 Desktop

drwxr-xr-x  2 root root 4.0K Aug  7 06:38 Documents

drwxr-xr-x  2 root root 4.0K Aug  7 06:38 Downloads

-rw-r--r--. 1 root root  29K Aug  1 08:07 install.log

-rw-r--r--. 1 root root 8.5K Aug  1 08:06 install.log.syslog

drwxr-xr-x  2 root root 4.0K Aug  7 06:38 Music

drwxr-xr-x  2 root root 4.0K Aug  7 06:38 Pictures

drwxr-xr-x  2 root root 4.0K Aug  7 06:38 Public

-rw-r--r--. 1 root root  358 Aug  1 08:07 redhat.repo_bak

drwxr-xr-x  2 root root 4.0K Aug  7 06:38 Templates

drwxr-xr-x  2 root root 4.0K Aug  7 06:38 Videos

mkdir -p /agent

chown -R oracle:oinstall /agent

 

其余：

说明：因为主机作了ssh 远程限制，须要修改监控服务器以及全部被监控主机如下参数文件：

vi /etc/ssh/sshd_config

添加如下：

Ciphers aes128-cbc,aes192-cbc,aes256-cbc,aes128-ctr,aes192-ctr,aes256-ctr,3des-cbc,arcfour128,arcfour256,arcfour,blowfish-cbc,cast128-cbc

 

MACs hmac-md5,hmac-sha1,umac-64@openssh.com,hmac-ripemd160,hmac-sha1-96,hmac-md5-96

 

KexAlgorithms diffie-hellman-group1-sha1,diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1,diffie-hellman-group-exchange-sha256,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group1-sha1,curve25519-sha256@libssh.org

重启sshd 服务：service sshd restart

 

2.3.2 ． 安装agent

设置 －> 添加目标 －＞手动添加目标

静默安装agent参照：http://www.cnblogs.com/hmwh/p/8657498.html

 

 

添加须要监控的数据库:

 

 

next：

 

 

点击OK，而后next 出现如下,注意红色图，填完配置:

 

下一步部署agent：

 

 

下一步：

 

添加成功

2.4. 添加集群服务

 

 

下一步：

 

 

 

下一步：

 

 

进行保存（已添加过能够更新）

上图能够根据选择添加主机的集群高可用服务。

2.5. 添加管理的数据库

点击 Target -> Database -> add 添加数据库配置信息:(注意，若是有多套cluster 数据库添加，也能够用这种办法添加：http://www.cnblogs.com/hmwh/p/8657498.html)

 

 

Next

 

 

 

Next:

 

 

注意如下图须要配置1,2,3：

 

 

 

依次配置1,2,3；配置2的时候，设置实例->监听程序计算机名，须要设置IP，最好不要写成域名。

Next:

 

 

看添加成功的数据库：

目标->数据库

OEM12C(12.1.0.5)安装插件监控mysql(linux)

目录结构：

文章参考论坛： https://blog.csdn.net/u010719917/article/details/78128200

环境说明：

oms:12.1.0.5   os:centos 6.X

MYSQL: 5.7.21  OS:centos 7.X

 

1、安装插件mysql database

下载地址：

https://updates.oracle.com/Orion/Services/download/p22047385_112000_Generic.zip?aru=19479462&patch_file=p22047385_112000_Generic.zip

 

下载完成后，上传至oem oms,并进行导入。

/orabackup/oeminstall/Middleware/oms/bin/emcli login -username=sysman  -password=密码

/orabackup/oeminstall/Middleware/oms/bin/emcli import_update -omslocal -file=/oracle/p22047385_112000_Generic.zip

Oracle用户执行：

 

 

 

 

 

 

添加mysql 数据库插件：

 

 

 

 

 

 

2、Agent安装

Agent安装参考我以前的博客：

因为MySQL 数据库服务器没有oracle用户，root安装不能图形界面安装，因此操做系统我新建的oracle用户安装agent。

静默安装：

https://www.cnblogs.com/hmwh/p/8657498.html

图形界面安装：

https://www.cnblogs.com/hmwh/p/8649751.html

安装完后以下：

 

 

 

3、添加mysql数据库

新建监控用户：

GRANT SELECT, RELOAD, PROCESS, SUPER on *.* to 'sysman'@'%' identified by 'XXX' ;

GRANT SELECT, RELOAD, PROCESS on *.* to 'sysman'@'%';

flush privileges;

 

 

 

 

 

 

 

 

添加完后以下：

 

 

 

 

 

Oracle 12c(12.1.0.5) oem agent silent install(静默安装agent)

注释:

文章来自oracle support 文档 ID 1360083.1，静默安装agent采用的是把OMS服务端（即oem server端）的agent用压缩包download,远程传到agent端，利用编译的rsp文件进行编译，静默安装agent。

一、server参数配置参照:http://www.cnblogs.com/hmwh/p/8649751.html

二、agent参数配置参照:http://www.cnblogs.com/hmwh/p/8649751.html

三、silent install(静默安装) agent

[oracle@bpmDBmonitor oracle]$ /u01/app/oracle/Middleware/oms/bin/emcli login -username=sysman
Error: Already logged in as user "sysman". Use "emcli logout" to logout the current user.
未登录须要提示登录输入密码

[oracle@bpmDBmonitor oracle]$ /u01/app/oracle/Middleware/oms/bin/emcli get_supported_platforms

-----------------------------------------------
Version = 12.1.0.5.0
Platform = Linux x86-64
-----------------------------------------------
Platforms list displayed successfully.
[oracle@bpmDBmonitor oracle]$ pwd
/u01/app/oracle
[oracle@bpmDBmonitor oracle]$ ls -lh
total 16K
drwxr-xr-x. 6 oracle oinstall 4.0K Sep 28 17:16 agent
drwxr-xr-x. 6 oracle oinstall 4.0K Sep 28 17:07 gc_inst
drwxr-x---. 16 oracle oinstall 4.0K Sep 28 17:07 Middleware
drwxr-xr-x. 75 oracle oinstall 4.0K Sep 28 17:13 swlib
[oracle@bpmDBmonitor oracle]$ mkdir zip
[oracle@bpmDBmonitor oracle]$ /u01/app/oracle/Middleware/oms/bin/emcli get_agentimage -destination=/u01/app/oracle/zip/ -platform="Linux x86-64" -version=12.1.0.5.0
=== Partition Detail ===
Space free : 86 GB
Space required : 1 GB
Check the logs at /u01/app/oracle/gc_inst/em/EMGC_OMS1/sysman/emcli/setup/.emcli/get_agentimage_2018-03-26_16-12-53-PM.log
Downloading /u01/app/oracle/zip//12.1.0.5.0_AgentCore_226.zip

查看download agent
[oracle@bpmDBmonitor oracle]$ ls -lh zip/
total 246M
-rw-r--r--. 1 oracle oinstall 246M Mar 26 16:13 12.1.0.5.0_AgentCore_226.zip

[oracle@bpmDBmonitor oracle]$ scp zip/12.1.0.5.0_AgentCore_226.zip IP:/u01/agent/
Authorized only . All activity will be monitored and reported 
oracle@bpminrac1's password: 
stty: standard input: Invalid argument
12.1.0.5.0_AgentCore_226.zip 100% 245MB 106.6MB/s 00:02 
[oracle@bpmDBmonitor oracle]$ scp zip/12.1.0.5.0_AgentCore_226.zip bpminrac2:/u01/agent/
The authenticity of host 'bpminrac2 (23.120.101.8)' can't be established.
RSA key fingerprint is SHA256:lA7Dqw1jqtfJxTBfVWcuXu2Usv7Q1CFkkeo6qXZL4AY.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added 'bpminrac2,23.120.101.8' (RSA) to the list of known hosts.
Authorized only . All activity will be monitored and reported 
oracle@bpminrac2's password: 
stty: standard input: Invalid argument
12.1.0.5.0_AgentCore_226.zip 100% 245MB 99.3MB/s 00:02 
[oracle@bpmDBmonitor oracle]$ cat /tmp/agent.rsp

OMS_HOST=IP
EM_UPLOAD_PORT=4903
AGENT_REGISTRATION_PASSWORD=abc123
#AGENT_INSTANCE_HOME=<Value Unspecified>
AGENT_PORT=3872
#b_startAgent=true
ORACLE_HOSTNAME=XXX
#s_agentHomeName=<Value Unspecified>

[oracle@bpmexrac2 tmp]$ sh agentDeploy.sh AGENT_BASE_DIR=/u01/app/agent RESPONSE_FILE=/tmp/agent.rsp

Validating the OMS_HOST & EM_UPLOAD_PORT
Executing command : /u01/app/agent/core/12.1.0.5.0/jdk/bin/java -classpath /u01/app/agent/core/12.1.0.5.0/jlib/agentInstaller.jar:/u01/app/agent/core/12.1.0.5.0/oui/jlib/OraInstaller.jar oracle.sysman.agent.installer.AgentInstaller /u01/app/agent/core/12.1.0.5.0 /tmp /u01/app/agent AGENT_BASE_DIR=/u01/app/agent RESPONSE_FILE=/tmp/agent.rsp -prereq

Validating oms host & port with url: http://XXX:4903/empbs/genwallet
Validating oms host & port with url: https://XXX:4903/empbs/genwallet
Return status:3-oms https port is passed
Unzipping the agentcoreimage.zip to /u01/app/agent ....
12.1.0.5.0_PluginsOneoffs_226.zip
Executing command : /tmp/unzip -o /tmp/12.1.0.5.0_PluginsOneoffs_226.zip -d /u01/app/agent
Successfully unzipped /tmp/12.1.0.5.0_PluginsOneoffs_226.zip to /u01/app/agent !
Executing command : /u01/app/agent/core/12.1.0.5.0/jdk/bin/java -classpath /u01/app/agent/core/12.1.0.5.0/oui/jlib/OraInstaller.jar:/u01/app/agent/core/12.1.0.5.0/oui/jlib/xmlparserv2.jar:/u01/app/agent/core/12.1.0.5.0/oui/jlib/srvm.jar:/u01/app/agent/core/12.1.0.5.0/oui/jlib/emCfg.jar:/u01/app/agent/core/12.1.0.5.0/jlib/agentInstaller.jar:/u01/app/agent/core/12.1.0.5.0/oui/jlib/share.jar oracle.sysman.agent.installer.AgentInstaller /u01/app/agent/core/12.1.0.5.0 /tmp /u01/app/agent /u01/app/agent/agent_inst AGENT_BASE_DIR=/u01/app/agent

Executing agent install prereqs...
Executing command: /u01/app/agent/core/12.1.0.5.0/oui/bin/runInstaller -debug -ignoreSysPrereqs -prereqchecker -silent -ignoreSysPrereqs -waitForCompletion -prereqlogloc /u01/app/agent/core/12.1.0.5.0/cfgtoollogs/agentDeploy -entryPoint oracle.sysman.top.agent_Complete -detailedExitCodes PREREQ_CONFIG_LOCATION=/u01/app/agent/core/12.1.0.5.0/prereqs -J-DORACLE_HOSTNAME=bpmexrac2.biz.jy.neeq.com.cn -J-DAGENT_PORT=3872 -J-DAGENT_BASE_DIR=/u01/app/agent

Agent install prereqs completed successfully

Cloning the agent home...
Executing command: /u01/app/agent/core/12.1.0.5.0/oui/bin/runInstaller -debug -ignoreSysPrereqs -clone -forceClone -silent -waitForCompletion -nowait ORACLE_HOME=/u01/app/agent/core/12.1.0.5.0 -responseFile /tmp/agent.rsp AGENT_BASE_DIR=/u01/app/agent AGENT_BASE_DIR=/u01/app/agent RESPONSE_FILE=/tmp/agent.rsp -noconfig ORACLE_HOME_NAME=agent12c1 -force b_noUpgrade=true EMCTLCFG_MODE=NONE

Cloning of agent home completed successfully

Attaching sbin home...
Executing command: /u01/app/agent/core/12.1.0.5.0/oui/bin/runInstaller -debug -ignoreSysPrereqs -attachHome -waitForCompletion -nowait ORACLE_HOME=/u01/app/agent/sbin ORACLE_HOME_NAME=sbin12c1 -force

Attach home for sbin home completed successfully.

Updating home dependencies...
Executing command: /u01/app/agent/core/12.1.0.5.0/oui/bin/runInstaller -debug -ignoreSysPrereqs -updateHomeDeps -waitForCompletion HOME_DEPENDENCY_LIST={/u01/app/agent/sbin:/u01/app/agent/core/12.1.0.5.0} -invPtrLoc /u01/app/agent/core/12.1.0.5.0/oraInst.loc -force

Update home dependency completed successfully.
Executing command: /u01/app/agent/core/12.1.0.5.0/oui/bin/runConfig.sh ORACLE_HOME=/u01/app/agent/core/12.1.0.5.0 RESPONSE_FILE=/u01/app/agent/core/12.1.0.5.0/agent.rsp ACTION=configure MODE=perform COMPONENT_XML={oracle.sysman.top.agent.11_1_0_1_0.xml} RERUN=true
Agent Configuration completed successfully

The following configuration scripts need to be executed as the "root" user.
#!/bin/sh
#Root script to run
/u01/app/agent/core/12.1.0.5.0/root.sh
To execute the configuration scripts:
1. Open a terminal window
2. Log in as "root"
3. Run the scripts
Agent Deployment Successful.
Agent deployment log location: /u01/app/agent/core/12.1.0.5.0/cfgtoollogs/agentDeploy/agentDeploy_2018-03-26_17-49-59-PM.log
Agent deployment completed successfully.
[oracle@bpmexrac2 tmp]$ /u01/app/agent/core/12.1.0.5.0/root.sh
This script must be run as root
[oracle@bpmexrac2 tmp]$ exit
logout
[root@bpmexrac2 app]# /u01/app/agent/core/12.1.0.5.0/root.sh
Finished product-specific root actions.
/etc exist

Creating /etc/oragchomelist file...
[oracle@bpmexrac2 bin]$ cd /u01/app/agent/agent_inst/bin
[oracle@bpmexrac2 bin]$ ./emctl start agent
Oracle Enterprise Manager Cloud Control 12c Release 5 
Copyright (c) 1996, 2015 Oracle Corporation. All rights reserved.
Agent is already running
[oracle@bpmexrac2 bin]$ ./emctl status agent
Oracle Enterprise Manager Cloud Control 12c Release 5 
Copyright (c) 1996, 2015 Oracle Corporation. All rights reserved.
---------------------------------------------------------------
Agent Version : 12.1.0.5.0
OMS Version : 12.1.0.5.0
Protocol Version : 12.1.0.1.0
Agent Home : /u01/app/agent/agent_inst
Agent Log Directory : /u01/app/agent/agent_inst/sysman/log
Agent Binaries : /u01/app/agent/core/12.1.0.5.0
Agent Process ID : 26923
Parent Process ID : 26755
Agent URL : https://bpmexrac2.biz.jy.neeq.com.cn:3872/emd/main/
Local Agent URL in NAT : https://bpmexrac2.biz.jy.neeq.com.cn:3872/emd/main/
Repository URL : https://bpmDBmonitor:4903/empbs/upload
Started at : 2018-03-26 17:51:28
Started by user : oracle
Operating System : Linux version 2.6.32-573.el6.x86_64 (amd64)
Last Reload : (none)
Last successful upload : 2018-03-26 17:51:41
Last attempted upload : 2018-03-26 17:51:41
Total Megabytes of XML files uploaded so far : 0
Number of XML files pending upload : 0
Size of XML files pending upload(MB) : 0
Available disk space on upload filesystem : 64.53%
Collection Status : Collections enabled
Heartbeat Status : Ok
Last attempted heartbeat to OMS : 2018-03-26 17:52:32
Last successful heartbeat to OMS : 2018-03-26 17:52:32
Next scheduled heartbeat to OMS : 2018-03-26 17:53:32

---------------------------------------------------------------
Agent is Running and Ready

四、添加RAC监控数据库

点击 Target -> Database -> add 添加数据库配置信息:

若是此方法行不通，可参照:http://www.cnblogs.com/hmwh/p/8649751.html 添加高可用服务，再添加数据库。

点击搜索按钮:

 

 

 

 

 测试链接：

同理添加节点2实例2：

 

完成后结果以下:

 

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