小编给大家分享一下解决linux下启动mongodb出现错误的方法，希望大家阅读完这篇文章后大所收获，下面让我们一起去探讨方法吧！
解决linux下启动mongodb出现错误的方法：
根据错误信息进入日志文件根据日志文件具体内容中提供的地址获取到修改方式
删除日志文件，以repair方式启动数据库
然后再启动一次数据库，查看进程，如果数据库进程存在，则修复成功
启动错误：
计算
安全
数据库
网络和加速
企业服务
[root@oracleLinux ~]# service mongod start
Starting mongod: Fri Jan 24 09:59:59.385
Fri Jan 24 09:59:59.386 warning: 32-bit servers don't have journaling enabled by default. Please use --journal if you want durability.
Fri Jan 24 09:59:59.387
about to fork child process, waiting until server is ready for connections.
forked process: 2120
all output going to: /var/log/mongo/mongod.log
ERROR: child process failed, exited with error number 100日志文件：
ERROR: child process failed, exited with error number 100日志文件相关内容：
**************
Unclean shutdown detected.
Please visit <span>http://dochub.mongodb.org/core/repair</span> for recovery instructions.
*************
Thu Jan 23 12:34:11.293 [initandlisten] exception in initAndListen: 12596 old lock file, terminating
Thu Jan 23 12:34:11.293 dbexit:
Thu Jan 23 12:34:11.293 [initandlisten] shutdown: going to close listening sockets...
Thu Jan 23 12:34:11.293 [initandlisten] shutdown: going to flush diaglog...
Thu Jan 23 12:34:11.293 [initandlisten] shutdown: going to close sockets...
Thu Jan 23 12:34:11.293 [initandlisten] shutdown: waiting for fs preallocator...
Thu Jan 23 12:34:11.293 [initandlisten] shutdown: closing all files...
Thu Jan 23 12:34:11.293 [initandlisten] closeAllFiles() finished
Thu Jan 23 12:34:11.293 dbexit: really exiting now此处是非法关闭mongodb，根据日子文件具体内容中提供的地址（第3行处）获取到修复方式。
a、首先删除/var/lib/mongo/目录下的mongod.lock文件，具体命令如下：
[root@oracleLinux ~]# rm /var/lib/mongo/mongod.lockb、已repair方式启动mongodb，具体命令如下：
[root@oracleLinux mongo]# mongod -f /etc/mongod.conf --repair
Fri Jan 24 10:38:39.112
Fri Jan 24 10:38:39.113 warning: 32-bit servers don't have journaling enabled by default. Please use --journal if you want durability.
Fri Jan 24 10:38:39.114
about to fork child process, waiting until server is ready for connections.
forked process: 2237
all output going to: /var/log/mongo/mongod.log
child process started successfully, parent exiting在启动一次mongodb，具体命令如下：
[root@oracleLinux mongo]# mongod -f /etc/mongod.conf
Fri Jan 24 10:41:13.664
Fri Jan 24 10:41:13.665 warning: 32-bit servers don't have journaling enabled by default. Please use --journal if you want durability.
Fri Jan 24 10:41:13.666
about to fork child process, waiting until server is ready for connections.
forked process: 2253
all output going to: /var/log/mongo/mongod.log
child process started successfully, parent exiting查看进程，如果存在mongodb进程，即代表修复成功，具体命令如下：
[root@oracleLinux mongo]# ps -ef | grep mongo
root 2253 1 2 10:41 ? 00:00:02 mongod -f /etc/mongod.conf
root 2268 2079 0 10:43 pts/0 00:00:00 grep mongo看完了这篇文章，相信你对解决linux下启动mongodb出现错误的方法有了一定的了解，想了解更多相关知识，欢迎关注亿速云行业资讯频道，感谢各位的阅读！
亿速云「云服务器」，即开即用、新一代英特尔至强铂金CPU、三副本存储NVMe SSD云盘，价格低至29元/月。点击查看>>
免责声明：本站发布的内容（图片、视频和文字）以原创、转载和分享为主，文章观点不代表本网站立场，如果涉及侵权请联系站长邮箱：is@yisu.com进行举报，并提供相关证据，一经查实，将立刻删除涉嫌侵权内容。
