1.分类
Oracle中的几类日志文件
Redo log files –>联机重做日志
Archive log files –>归档日志
Alert log files –>告警日志
Trace files –>跟踪日志
user_dump_dest –>用户跟踪日志
backupground_dump_dest –>进程跟踪日志
2.操作
查看redo组
SELECT group#,sequence#,members,bytes,status,archived FROM v$log;
查看redo组内成员的明细
select * from v$logfile
添加组
alter database add logfile group 4 ('/opt/oradata/orcl/redo04.log') size 52428800;
删除组
alter database drop logfile group 4;
添加成员
““
ALTER DATABASE ADD LOGFILE MEMBER ‘/opt/oradata/orcl/redo04a.log’ TO GROUP 4;
警告日志
select * from v$diag_info;