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某些时候我们需要到客户现场去做保障，偶尔会需要停下数据库集群，然后停机。通常我们会采取比较稳妥的方式，而不是野蛮暴力的方式。
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野蛮的方式
# /u01/app/oracle/product/10.2.0/db_1/bin/crsctl stop crs
日志
Shutting down instance (abort)
License high water mark = 5
Instance terminated by USER, pid = 9068
2.温柔的方式
[root@node1 root]# su - oracle
[oracle@node1 ~]$ crs_stat -t -v
[oracle@node1 ~]$ srvctl config database
racdb
[oracle@node1 ~]$ srvctl stop database -d racdb
[oracle@node1 ~]$ srvctl stop asm -n node1
[oracle@node1 ~]$ srvctl stop asm -n node2
[oracle@node1 ~]$ srvctl stop nodeapps -n node1
[oracle@node1 ~]$ srvctl stop nodeapps -n node2
[root@node1 root]# /u01/app/oracle/product/10.2.0/db_1/bin/crsctl stop crs
Stopping resources. This could take several minutes.
Successfully stopped CRS resources.
Stopping CSSD.
Shutting down CSS daemon.
Shutdown request successfully issued.
[root@node1 root]# shutdown -h 0
Broadcast message from root (pts/1) (Thu Jul 20 09:16:28 2017):
The system is going down for system halt NOW!
3.启动方法
[root@node1 ~]# su - oracle
[oracle@node1 ~]$ which crsctl
/u01/app/oracle/product/10.2.0/db_1/bin/crsctl
[oracle@node1 ~]$ exit
logout
[root@node1 ~]# /u01/app/oracle/product/10.2.0/db_1/bin/crsctl start crs
Attempting to start CRS stack
The CRS stack will be started shortly
最近有点忙，有些懈怠了，博客更新的也不及时了。还是要继续坚持才可以，少找借口，自我批评一下。