本文参考自：
Trying to Increase the Number of Database Connections (Doc ID 167674.1)
fact: Oracle Server - Enterprise Edition 8fact: Solaris Operating System (SPARC)symptom: Trying to Increase the Number of Database Connectionssymptom: ORA-07252 spcre: semget error, could not allocate semaphoressymptom: ORA-00600: internal error code, arguments: [skgmbusy]symptom: svr4 error 28 no space left on devicecause: Unix kernel not configured correctly for the number of processes trying to connect to the database.
fix:
Increase the unix kernel parameter SEMMNS to a higher value. This will allow the database to started with a higher processes parameter.
加大数据库连接数（the Number of Database Connections ）
原文：http://blog.csdn.net/msdnchina/article/details/45273173
