oracle rac日常基本维护命令 所有实例和服务的状态 $ srvctl status database -d orcl Instance orcl1 is running on node linux1 Instance orcl2 is running on node linux2 单个实例的状态 $ srvctl status instance -d orcl -i orcl2 Instance orcl2 is running on node linux2 在数据库全局命名服务的状态
--监控索引是否使用 alter index &index_name monitoring usage; alter index &index_name nomonitoring usage; select * from v$object_usage where index_name = &index_name; --求数据文件的I/O分布 select df.name,phyrds,phywrts,phyblkrd,phyblkwrt,singleblkrds,read
