[oracle@test admin]$ sqlplus system/test@test
SQL*Plus: Release 10.2.0.4.0 - Production on Tue Aug 24 13:11:21 2010
Copyright (c) 1982, 2007, Oracle.All Rights Reserved.
ERROR:
ORA-01034: ORACLE not available
ORA-27101: shared memory realm does not exist
Linux-x86_64 Error: 2: No such file or directory
oracle@test admin]$ sqlplus sys/test as sysdba;
SQL*Plus: Release 10.2.0.4.0 - Production on Tue Aug 24 12:42:19 2010
Copyright (c) 1982, 2007, Oracle.All Rights Reserved.
Connected to:
Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - 64bit Production
With the Partitioning, Oracle Label Security, OLAP, Data Mining
and Real Application Testing options
SQL> exit
这样是正常的