ORA-03113: end-of-file on communication channel

Tonight,after I did some changes on the parameter(processes,changed it from 150 default to 2),I issued the commands below:
SQL> alter system set processes=2 scope=spfile;
System altered.
SQL> shutdown immediate;
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL> startup;
ORA-03113: end-of-file on communication channel
SQL> !oerr ora 03113
03113, 00000, “end-of-file on communication channel”
// *Cause: The connection between Client and Server process was broken.
// *Action: [...]

Categories: Experiments, Oracle  |   Tags: Experiments, Oracle  |  94 Comments »