ORA-00845: MEMORY_TARGET not supported on this system
Connected to an idle instance.SQL> startupORA-00845: MEMORY_TARGET not supported on this system原因:SGA的大小超过了操作系统/dev/shm的大小:官方解释:[oracle@otm6 dbs]$ oerr ora 0084500845, 00000, "MEMORY_TARGET not supported on this system"// *Cause: The MEMORY_TARGET parameter was not supported on this operating system or /dev/shm was not sized correctly on Linux.// *Action: Refer to documentation for a list of supported operating systems. Or, size /dev/shm to be at least the SGA_MAX
ORA-01102: cannot mount database in EXCLUSIVE mode
启动客户生产环境的Oracle 11g数据库后,出现ORA-01102: cannot mount database in EXCLUSIVE mode错误。SQL> startupORA-01102: cannot mount database in EXCLUSIVE mode 官方解释:[oracle@zmotm003 dbs]$ oerr ora 0110201102, 00000, "cannot mount database in EXCLUSIVE mode"// *Cause: Some other instance has the database mounted exclusive or shared.// *Action: Shutdown other instance or mount in a compatible mode.