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GridControl一些术语GC、OMS、OMR、OMA的概念

EM:database control
GC:grid control
CC:cloud control(12开始就不叫GC了改叫CC了,目前有12CC、13CC)

OMR
Oracle Management Repository 
OMR就是存放GC监控信息的数据库,一般存放在sysman用户下的表,因为要用到监控报警,所以要用到dbsnmp用户,所以要开启sysman、dbsnmp两个用户
/etc/hsots必须有OMR和OMS的信息

OMS
Oracle Management Service 
OMS简单可以简单理解为GC监控,安装了weblogic和grid control软件,其中在安装grid contro过程中要指定OMR服务器的信息。
OMS安装好后,自动在本机安装了OMA服务
/etc/hsots必须有OMR和OMS的信息
/etc/oratab信息默认如下(分别是OMS、OMA的HOME目录,可以修改*为oms和agent)
*:/u01/app/bea/oracle/Middleware/oms11g:N
*:/u01/app/bea/oracle/Middleware/agent11g:N

OMA
Oracle Management Agent
被监控的服务器,/etc/hosts必须要有OMS的域名信息
一般一台服务器装一套OMA就可以了,但是如果有不同的OMS的来监控服务器,比如13c,12c同时监控同一台服务器,则这台服务器需要两套OMA,且版本应该不一样。
安装OMA的方法
1、登录OMS服务器
. oraenv -> oms
cd $ORACLE_HOME/sysman/agent_download/11.1.0.1.0//
copy agentDownload.linux到OMA服务器比如/home/oracle
2、登录OMA服务器
 ./agentDownload.linux -b /u01/app/oracle/product/11.2.0 -y  --安装好后,默认连接OMS的4900端口
-y表示Decline Security Updates,表示不需要输入邮箱地址
3、安装好后,/etc/oratab默认有如下信息
agent:/u01/app/oracle/product/11.2.0/agent11g:N(即第二步-b时指定的HOME目录加agent11g子目录,可以修改*为agent)
OMA安装过程中一定要注意:输入正确的registration password,否则虽然可以正常安装agent,但是永远连不上OMS
Grid Control一些术语GC、OMS、OMR、OMA的概念


OMS的启动关闭
emctl start oms
emctl stop oms
emctl status oms
emctl status oms -details
emctl status oms -details -sysman_pwd sysman'spassword

OMA的启动关闭
emctl start agent
emctl stop agent
emctl status agent


OMA连不上OMS的现象和处理方法
1、如果安装agent过程中输错了密码,连不上OMS,则如下
emctl upload agent
emctl verifykey
emctl secure agent
比如
EMD pingOMS error: Failure connecting to https://gc.oracle.com:4900/em/upload/ , err -1

2、如果重新在其他目录安装了agent,连不上OMS,则如下查看什么报错
emctl upload agent
emctl verifykey
比如
EMD pingOMS error: Invalid ping response "ERROR-Agent is blocked... Please contact EM adminstrator to unblock the agent"
则进入em界面,setup->agent->unblock

3、最后都不行的话重启OMS,再如上1、2两种方式



OMA\OMS日志目录
OMS日志在gc_inst运行时的目录里,即$INST_HOME/em/EMGC_OMS1/sysman/log
OMS:/u01/app/bea/oracle/gc_inst/em/EMGC_OMS1/sysman/log

agent日志$AGENT_HOME/sysman/log
OMA:/u01/app/bea/oracle/Middleware/agent11g/sysman/log



[oracle@oms linux_x64]$ . oraenv
ORACLE_SID = [oms] ? agent
-bash: [: too many arguments
The Oracle base for ORACLE_HOME=/u01/app/bea/oracle/Middleware/agent11g is
XPointer evaluation failed: no locset
[oracle@oms linux_x64]$ emctl status agent
Oracle Enterprise Manager 11g Release 1 Grid Control 11.1.0.1.0
Copyright (c) 1996, 2010 Oracle Corporation.  All rights reserved.
---------------------------------------------------------------
Agent Version     : 11.1.0.1.0
OMS Version       : 11.1.0.1.0
Protocol Version  : 11.1.0.0.0
Agent Home        : /u01/app/bea/oracle/Middleware/agent11g
Agent binaries    : /u01/app/bea/oracle/Middleware/agent11g
Agent Process ID  : 3271
Parent Process ID : 3250
Agent URL         : https://oms.oracle.com:3872/emd/main/
Repository URL    : https://oms.oracle.com:4900/em/upload
Started at        : 2017-06-18 01:36:17
Started by user   : oracle
Last Reload       : 2017-06-18 01:36:17
Last successful upload                       : 2017-06-18 02:14:43
Total Megabytes of XML files uploaded so far :     5.20
Number of XML files pending upload           :        0
Size of XML files pending upload(MB)         :     0.00
Available disk space on upload filesystem    :    57.63%
Last successful heartbeat to OMS             : 2017-06-18 02:17:31
---------------------------------------------------------------
Agent is Running and Ready


[oracle@gc linux]$ . oraenv
ORACLE_SID = [emrep] ? oms
-bash: [: too many arguments
The Oracle base has been set to
XPointer evaluation failed: no locset
[oracle@gc linux]$ emctl status oms
Oracle Enterprise Manager 11g Release 1 Grid Control
Copyright (c) 1996, 2010 Oracle Corporation.  All rights reserved.
WebTier is Up
Oracle Management Server is Up

[oracle@gc linux]$ emctl status oms -details
Oracle Enterprise Manager 11g Release 1 Grid Control
Copyright (c) 1996, 2010 Oracle Corporation.  All rights reserved.
Enter Enterprise Manager Root (SYSMAN) Password :
Console Server Host : gc.oracle.com
HTTP Console Port   : 7788
HTTPS Console Port  : 7799
HTTP Upload Port    : 4889
HTTPS Upload Port   : 4900
OMS is not configured with SLB or virtual hostname
Agent Upload is locked.
OMS Console is locked.
Active CA ID: 1

[oracle@gc linux]$ emctl status oms -details -sysman_pwd welcome1
Oracle Enterprise Manager 11g Release 1 Grid Control
Copyright (c) 1996, 2010 Oracle Corporation.  All rights reserved.
Console Server Host : gc.oracle.com
HTTP Console Port   : 7788
HTTPS Console Port  : 7799
HTTP Upload Port    : 4889
HTTPS Upload Port   : 4900
OMS is not configured with SLB or virtual hostname
Agent Upload is locked.
OMS Console is locked.
Active CA ID: 1

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