#mongd -f /etc/mongodb.conf时报错
monogdb.log日志分析
Unclean shutdown detected.
Please visit http://dochub.mongodb.org/core/repair for recovery instructions.*************
Wed Nov 5 04:14:35.951 [initandlisten] exception in initAndListen: 12596 old lock file, terminating
Wed Nov 5 04:14:35.951 dbexit:
Wed Nov 5 04:14:35.951 [initandlisten] shutdown: going to close listening sockets...
Wed Nov 5 04:14:35.951 [initandlisten] shutdown: going to flush diaglog...
Wed Nov 5 04:14:35.951 [initandlisten] shutdown: going to close sockets...
Wed Nov 5 04:14:35.951 [initandlisten] shutdown: waiting for fs preallocator...
Wed Nov 5 04:14:35.951 [initandlisten] shutdown: closing all files...
Wed Nov 5 04:14:35.951 [initandlisten] closeAllFiles() finishe
Wed Apr 1 04:14:35.951 dbexit: really exiting now
提示错误分析：存在一个久的mongod.lock文件
根本原因：云主机意外关机，导致数据库未正常关闭
解决办法：删除mongod.lock文件,再次重启数据库
#mv mongod.lock mongod.lock.bak
#mongd -f /etc/mongodb.conf
检查数据库有无异常
后续作业：如果有异常建议执行
>db.repairDatabase()
exception in initAndListen: 12596 old lock file, terminating
原文：http://blog.csdn.net/jacson_bai/article/details/44805469
