生成awr报告的过程中,发生awr报告没有快照,并返回ORA-20200错误。
查看dba_hist_active_session_history发现有数据,判断mmon和mmnl后台进程的问题,故需要重新启动mmon和mmnl后台进程
方法一:
重启数据库
方法二:
启用restricted模式,再立马禁用:
alter system enable restricted session; alter system disable restricted session;
alter日志
Stopping background process MMNL Sat Jan 11 22:07:07 2020 Stopping background process MMON Sat Jan 11 22:07:39 2020 Background process MMON not dead after 30 seconds Sat Jan 11 22:07:39 2020 Killing background process MMON Sat Jan 11 22:08:15 2020 Starting background process MMON MMON started with pid=19, OS id=2957544 Sat Jan 11 22:08:15 2020 Starting background process MMNL MMNL started with pid=55, OS id=4960290 Sat Jan 11 22:08:15 2020 ALTER SYSTEM enable restricted session; Sat Jan 11 22:08:15 2020 ALTER SYSTEM disable restricted session;
原文地址:https://www.cnblogs.com/hanglinux/p/12181549.html
时间: 2024-10-02 02:19:13