12 12:trace控制文件编辑文件 controlbk1.sqlCREATE CONTROLFILE REUSE DATABASE "ORCL" RESETLOGS NOARCHIVELOG MAXLOGFILES 40 MAXLOGMEMBERS 3 MAXDATAFILES 100 MAXINSTANCES 8 MAXLOGHISTORY 19451LOGFILE GROUP 1 '/oradata/240/oradata/redo01.log' SIZE 20M BLOCKSIZE 512, GROUP 2 '/ora...
SQL> select GROUP#,THREAD#,MEMBERS,ARCHIVED,STATUS from v$log; GROUP# THREAD# MEMBERS ARC STATUS --- --- --- --- --- 1 1 2 NO CURRENT 2 1 2 YES INACTIVE 3 2 2 YES INACTIVE 4 2 2 YES INACTIVE 5 2 2 YES INACTIVE 这里要删除实例1的group1里面的日志。因为处于CURRET状态,需要切...
使用resetlogs会将所有redo log清空而且重置log sequence为1.在RAC上重建控制文件与单实例有一些小区别: 在重建控制文件前必须设置cluster_database=false,而且只启动一个实例来执行操作,否则会报错ORA-01503: CREATE CONTROLFILE failed ORA-12720: operation requires database is in EXCLUSIVE mode重建完...
References in periodicals archive ? In support of the industry, the Hydraulic Institute and its members participated on the Appliance Standards Rulemaking and Rulemaking Federal Advisory Committee (ASRAC) which developed the term sheet that became the basis for the rules. THE HYDRAULIC INSTITUTE ...
ORA-12720: operation requires database is in EXCLUSIVE mode 重建完控制文件后,需要再将cluster_database设为true. TESTCASE1 --- 用noresetlog模式重建控制文件 过程: 1.首先生成重建控制文件的脚本: SQL> alter database backup controlfile to trace; Database altered. 2. 所生成的控制文件...
logfile 1 +DATA/jmrac/onlinelog/group_1.274.877470345 logfile 1 +DATA/jmrac/onlinelog/group_1.275.877470345 logfile 3 +DATA/jmrac/onlinelog/group_3.281.877470929 logfile 3 +DATA/jmrac/onlinelog/group_3.282.877470931 logfile 4 +DATA/jmrac/onlinelog/group_4.283.877470937 ...
SQL> select GROUP#,THREAD#,SEQUENCE#,MEMBERS,ARCHIVED,STATUS,FIRST_CHANGE# from v$log order by first_change# ; GROUP# THREAD# SEQUENCE# MEMBERS ARCHIVED STATUS FIRST_CHANGE# --- --- --- --- --- --- --- 2 1 0 2 YES CLEARING 12142264718335 3 1 0 2 YES CLEARING 12142306351551 1 ...
LogGroup信息: SELECT group#, sequence#, bytes, members, status from v$log; 关于log_buffer: select name, value from v$sysstat where name in ('redo entries', 'redo buffer allocation retries'); IO情况检查: select df.name , fs.phyrds reads, fs.phywrts writes, (fs.readtim / decode(fs....
SQL> select group#,thread#,sequence#,members,archived,status,first_time,next_time from v$log; GROUP# THREAD# SEQUENCE# MEMBERS ARC STATUS FIRST_TIME NEXT_TIME --- --- --- --- --- --- --- --- 1 1 13 2 NO CURRENT 2013/08/05 14:38:36 2 1 12 2 YES INACTIVE 2013/08/05 ...
failover:RAC环境的物理STANDBY的FAILOVER切换切换 疯狂代码 http://CrazyCoder.cn/ ĵ:http:/CrazyCoder.cn/DataBase/Article20602.html 物理STANDBYFAILOVER般发生在主库出现故障且短时间内无法恢复情况这是STANDBY数据库真正发挥作用时候 切换后物理STANDBY切换为PRIMARY数据库原来PRIMARY数据库即使恢复的后也和...