启动服务显示报错
[root@localhost bin]# mongod -f mongodb1.conf
about to fork child process, waiting until server is ready for connections.
forked process: 11167
ERROR: child process failed, exited with error number 100
查看配置文件发现
[root@localhost bin]# vim mongodb1.conf
修改完后，重新启动服务成功
[root@localhost bin]# mongod -f mongodb1.conf
about to fork child process, waiting until server is ready for connections.
forked process: 11180
child process started successfully, parent exiting