linux 下mongodb 启动错误！

第一次启动正常，

接着，我修改mongodb的权限

然后，我关闭了mongod，重新启动

就出现下面的错误：

old lock file: /usr/local/mongodb/data/mongod.lock.  probably means unclean shutdown
recommend removing file and running –repair
see: http://dochub.mongodb.org/core/repair for more information
*************
Wed Jan  5 11:43:52 exception in initAndListen std::exception: old lock file, terminating
Wed Jan  5 11:43:52 dbexit:

Wed Jan  5 11:43:52 shutdown: going to close listening sockets…
Wed Jan  5 11:43:52 shutdown: going to flush oplog…
Wed Jan  5 11:43:52 shutdown: going to close sockets…
Wed Jan  5 11:43:52 shutdown: waiting for fs preallocator…
Wed Jan  5 11:43:52 shutdown: closing all files…
Wed Jan  5 11:43:52     closeAllFiles() finished

Wed Jan  5 11:43:52 dbexit: really exiting now

解决办法：估计是权限的问题，没有去测试，有空，再找根本的原因，目前想到解决办法是删除 这个文件( /usr/local/mongodb/data/mongod.lock)

接着，重新启动：/usr/local/mongodb/bin/mongod –fork –dbpath=/usr/local/mongodb/data/ –logpath=/usr/local/mongodb/logs/mongod.log –logappend

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