ORA-01102
转自:http://www.hellodba.com/cases/case-unexception_down.htm某系统突然掉电,系统启动后发现Oracle无法启动。启动时报如下错误:ORA-01102 cannot mount database in EXCLUSIVE mode出现1102错误可能有以下几种可能:一、在HA系统中,已经有其他节点启动了实例,将双机共享的资源(如磁盘阵列上的裸设备)占用了;二、说明Oracle被异常关闭时,有资源没有被释放,一般有以下几种可能,1、 Oracle的共享内存段或信号量没有被释放;2、 Oracle的后台进程(如SMON、PMON、DBWn等)没有被关闭;3、 用于锁内存的文件lk<sid>和sgade
ORA-01507
Error: ORA 1103 Text: database name in control file is not -------------------------------------------------------------------------------Cause: The database name used does not match that in the control file.Action: Ensure the correct control file and database name are used.错误原因:控制文件中的数据库名字与将要mount的数据库名字不一致。解决方法:检查初始化参数文件中db_name参数所指定的名字是否与control_files参数所指定的控制文件內的数据库名字一样[@more@]
ORA-00214
ORA-00214 错误发生的原因是控制文件不一致,解决的方法是删除不一致的控制文件,使所有的控制文件一致;重新创建控制文件An ORA-00214 is issued whenever Oracle detects an inconsistency between two mirrored copies of the control file. All copies of the control file must have the same internal sequence number for Oracle to start up the database or shut it down in normal or immediate mode. If the database is running and the checkpoint in the file header could not be advanced the datafile will be taken off