ORA-01624和ORA-00312是Oracle数据库中常见的错误代码,通常与联机重做日志(redo log)有关。下面是对这两个错误代码的分析、解决策略和预防措施。 1. 错误代码含义 ORA-01624:此错误表明数据库实例崩溃恢复时需要某个日志文件,但该文件不可用或找不到。这通常发生在尝试执行某些需要该日志文件的操作时,如删除或重建...
SQL> alter database drop logfile '/u01/oradata/demo/redo07.log'; alter database drop logfile '/u01/oradata/demo/redo07.log' * ERROR at line 1: ORA-01624: log 7 needed for crash recovery of instance demo (thread 1) ORA-00312: online log 7 thread 1: '/u01/oradata/demo/redo07.l...
ORA-01624: log 1 needed for crash recovery of instance SBIP18DB (thread 1) ORA-00312: online log 1 thread 1: '/SIBIP16/SBIP18DB/SBIP18DB/redo01.log' SOLUTION: First get the status of redolog group: select l.group#, l.thread#, f.member, l.archived, l.status, (bytes/1024/102...
log1neededforcrashrecoveryofthread1 ORA-00312:onlinelog1thread1:'/oradata/fs32/redo0101' ORA-00312:onlinelog1thread1:'/oradata/fs37/redo0102' Changes Cause 1.Standby_file_managementdoesnotaffectOnlineRedoLogs. 2. TheeOnlineRedoLog whichisbeingdroppedonthePrimaryiseitherthecurrentOnlineRedoLogor it...