需要必须掌握的命令，上周遇到了一个小问题，就是需要重启数据库监听，有的同学竟然使用oracle用户重启监听，原理就搞错了怎么行。以下操作都需要再grid用户下进行操作。
1、查看监听状态
<roidb2:+ASM2:/home/grid>$srvctl status listener Listener LISTENER is enabled Listener LISTENER is running on node(s): roidb1,roidb2 <roidb2:+ASM2:/home/grid>$srvctl status scan_listener SCAN Listener LISTENER_SCAN1 is enabled SCAN listener LISTENER_SCAN1 is running on node roidb2 <roidb2:+ASM2:/home/grid>$
2、关闭监听
<roidb2:+ASM2:/home/grid>$srvctl stop listener -n roidb1 <roidb2:+ASM2:/home/grid>$srvctl status listener -n roidb1 Listener LISTENER is enabled on node(s): roidb1 Listener LISTENER is not running on node(s): roidb1 <roidb2:+ASM2:/home/grid>$ <roidb2:+ASM2:/home/grid>$srvctl stop scan_listener <roidb2:+ASM2:/home/grid>$srvctl status scan_listener SCAN Listener LISTENER_SCAN1 is enabled SCAN listener LISTENER_SCAN1 is not running <roidb2:+ASM2:/home/grid>$
3、启动监听
<roidb2:+ASM2:/home/grid>$srvctl start listener Listener LISTENER is enabled Listener LISTENER is running on node(s): roidb1,roidb2 <roidb2:+ASM2:/home/grid>$srvctl start scan_listener SCAN Listener LISTENER_SCAN1 is enabled SCAN listener LISTENER_SCAN1 is running on node roidb2 <roidb2:+ASM2:/home/grid>$
srvctl stop scan_listener
srvctl start scan_listener
srvctl status scan_listener
srvctl stop listener -n dcdbrac2
srvctl start listener -n dcdbrac2
srvctl status listener -n dcdbrac2
srvctl stop listener -n dcdbrac1
srvctl start listener -n dcdbrac1
srvctl status listener -n dcdbrac1
先启动本地监听，最后启动 scan_listener
来自 “ ITPUB博客 ” ，链接：https://blog.itpub.net/196700/viewspace-2220681/ ，如需转载，请注明出处，否则将追究法律责任。
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