Oracle 11g RAC 数据库监听默认都是grid用户通过集群工具来进行管理的,但是有些时候我们会发现数据库监听程序有oracle用户启动的,这里就存在一些问题。比如,出现的多余的监听进程我们可以kill掉
<roidb2:+ASM2:/home/grid>$ps -ef|grep tns root 10 2 0 08:11 ? 00:00:00 [netns] grid 4880 1 0 08:24 ? 00:00:00 /u01/app/11.2.0/grid/bin/tnslsnr LISTENER_SCAN1 -inherit oracle 11067 1 0 09:09 ? 00:00:00 /u01/app/oracle/product/11.2.0/dbhome_1/bin/tnslsnr LISTENER -inherit grid 11745 1 0 09:13 ? 00:00:00 /u01/app/11.2.0/grid/bin/tnslsnr LISTENER -inherit grid 11977 11140 0 09:14 pts/0 00:00:00 grep tns <roidb2:+ASM2:/home/grid>$kill -9 11067 -bash: kill: (11067) - Operation not permitted <roidb2:+ASM2:/home/grid>$exit logout [root@roidb2 ~]# kill -9 11067 [root@roidb2 ~]# ps -ef|grep tns root 10 2 0 08:11 ? 00:00:00 [netns] grid 4880 1 0 08:24 ? 00:00:00 /u01/app/11.2.0/grid/bin/tnslsnr LISTENER_SCAN1 -inherit grid 11745 1 0 09:13 ? 00:00:00 /u01/app/11.2.0/grid/bin/tnslsnr LISTENER -inherit root 12046 2589 0 09:15 pts/0 00:00:00 grep tns [root@roidb2 ~]# [root@roidb2 ~]# Oracle 用户启动监听,这种肯定是错误的操作。 <roidb2:orcl2:/home/oracle>$lsnrctl status LSNRCTL for Linux: Version 11.2.0.4.0 - Production on 09-JUL-2018 09:18:55 Copyright (c) 1991,2013,Oracle. All rights reserved. Connecting to (ADDRESS=(PROTOCOL=tcp)(HOST=)(PORT=1521)) TNS-12541: TNS:no listener TNS-12560: TNS:protocol adapter error TNS-00511: No listener Linux Error: 111: Connection refused <roidb2:orcl2:/home/oracle>$lsnrctl start LSNRCTL for Linux: Version 11.2.0.4.0 - Production on 09-JUL-2018 09:18:58 Copyright (c) 1991,Oracle. All rights reserved. Starting /u01/app/oracle/product/11.2.0/dbhome_1/bin/tnslsnr: please wait... TNSLSNR for Linux: Version 11.2.0.4.0 - Production Log messages written to /u01/app/oracle/diag/tnslsnr/roidb2/listener/alert/log.xml Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=roidb2)(PORT=1521))) Connecting to (ADDRESS=(PROTOCOL=tcp)(HOST=)(PORT=1521)) STATUS of the LISTENER ------------------------ Alias LISTENER Version TNSLSNR for Linux: Version 11.2.0.4.0 - Production Start Date 09-JUL-2018 09:18:58 Uptime 0 days 0 hr. 0 min. 0 sec Trace Level off Security ON: Local OS Authentication SNMP OFF Listener Log File /u01/app/oracle/diag/tnslsnr/roidb2/listener/alert/log.xml Listening Endpoints Summary... (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=roidb2)(PORT=1521))) The listener supports no services The command completed successfully <roidb2:orcl2:/home/oracle>$ps -ef|grep tns root 10 2 0 08:11 ? 00:00:00 [netns] grid 4880 1 0 08:24 ? 00:00:00 /u01/app/11.2.0/grid/bin/tnslsnr LISTENER_SCAN1 -inherit grid 11745 1 0 09:13 ? 00:00:00 /u01/app/11.2.0/grid/bin/tnslsnr LISTENER -inherit oracle 12598 1 0 09:18 ? 00:00:00 /u01/app/oracle/product/11.2.0/dbhome_1/bin/tnslsnr LISTENER -inherit oracle 12605 12521 0 09:19 pts/0 00:00:00 grep tns <roidb2:orcl2:/home/oracle>$ <roidb2:orcl2:/home/oracle>$exit logout [root@roidb2 ~]# kill -9 12598 [root@roidb2 ~]# ps -ef|grep tns root 10 2 0 08:11 ? 00:00:00 [netns] grid 4880 1 0 08:24 ? 00:00:00 /u01/app/11.2.0/grid/bin/tnslsnr LISTENER_SCAN1 -inherit grid 11745 1 0 09:13 ? 00:00:00 /u01/app/11.2.0/grid/bin/tnslsnr LISTENER -inherit root 12695 2589 0 09:19 pts/0 00:00:00 grep tns [root@roidb2 ~]#