ORA-01034 ORACLE not availableCause: Oracle was not started. Possible causes include the following:The SGA requires more space than was allocated for it. The operating-system variable pointing to the instance is improperly defined. Action: Refer to accompanying messages for possible causes and correct the problem mentioned in the other messages. If Oracle has been initialized, then on some operating systems, verify that Oracle was linked correctly. See the platform-specific Oracle documentation. --******************************************************** ORA-27101 shared memory realm does not existCause: Unable to locate shared memory realm.Action: Verify that the realm is accessible.--这样就知道是怎么回事了.
The operating-system variable pointing to the instance is improperly defined.
Action: Refer to accompanying messages for possible causes and correct the problem mentioned in the other messages. If Oracle has been initialized, then on some operating systems, verify that Oracle was linked correctly. See the platform-specific Oracle documentation.
--********************************************************
ORA-27101 shared memory realm does not existCause: Unable to locate shared memory realm.Action: Verify that the realm is accessible.--这样就知道是怎么回事了.
二。如果启动,看看
sqlplus name/pwd@databasename
sqlplus internal
startup
exit
lsrnctl
start
exit
看一下就OK了