MongoDB启动失败

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MongoDB启动失败

2023-09-18 13:38| 来源: 网络整理| 查看: 265

MongoDB启动失败原创

那海蓝蓝 2021-04-08 15:31:58 博主文章分类：MongoDB ©著作权

文章标签 MongoDB 文章分类 MongoDB 数据库

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本文章记录一次MongoDB启动失败的案例，仅做参考。尝试启动MongoDB进程：

mongod -f /mongodb/conf/mongodb.conf about to fork child process, waiting until server is ready for connections. forked process: 17330 ERROR: child process failed, exited with error number 14 To see additional information in this output, start without the "--fork" option.

查看日志如下：

2021-04-08T14:43:01.206+0800 E STORAGE [initandlisten] WiredTiger error (13) [1617864181:206800][17330:0x7f3f33997c40], wiredtiger_open: __posix_open_file, 665: /mongodb/data/WiredTiger.turtle: handle-open: open: Permission denied Raw: [1617864181:206800][17330:0x7f3f33997c40], wiredtiger_open: __posix_open_file, 665: /mongodb/data/WiredTiger.turtle: handle-open: open: Permission denied 2021-04-08T14:43:01.207+0800 E STORAGE [initandlisten] WiredTiger error (13) [1617864181:207147][17330:0x7f3f33997c40], wiredtiger_open: __posix_open_file, 665: /mongodb/data/WiredTiger.turtle: handle-open: open: Permission denied Raw: [1617864181:207147][17330:0x7f3f33997c40], wiredtiger_open: __posix_open_file, 665: /mongodb/data/WiredTiger.turtle: handle-open: open: Permission denied 2021-04-08T14:43:01.207+0800 E STORAGE [initandlisten] WiredTiger error (13) [1617864181:207537][17330:0x7f3f33997c40], wiredtiger_open: __posix_open_file, 665: /mongodb/data/WiredTiger.turtle: handle-open: open: Permission denied Raw: [1617864181:207537][17330:0x7f3f33997c40], wiredtiger_open: __posix_open_file, 665: /mongodb/data/WiredTiger.turtle: handle-open: open: Permission denied 2021-04-08T14:43:01.207+0800 E STORAGE [initandlisten] WiredTiger error (13) [1617864181:207795][17330:0x7f3f33997c40], wiredtiger_open: __posix_open_file, 665: /mongodb/data/WiredTiger.turtle: handle-open: open: Permission denied Raw: [1617864181:207795][17330:0x7f3f33997c40], wiredtiger_open: __posix_open_file, 665: /mongodb/data/WiredTiger.turtle: handle-open: open: Permission denied 2021-04-08T14:43:01.208+0800 E STORAGE [initandlisten] WiredTiger error (13) [1617864181:208041][17330:0x7f3f33997c40], wiredtiger_open: __posix_open_file, 665: /mongodb/data/WiredTiger.turtle: handle-open: open: Permission denied Raw: [1617864181:208041][17330:0x7f3f33997c40], wiredtiger_open: __posix_open_file, 665: /mongodb/data/WiredTiger.turtle: handle-open: open: Permission denied 2021-04-08T14:43:01.208+0800 W STORAGE [initandlisten] Failed to start up WiredTiger under any compatibility version. 2021-04-08T14:43:01.208+0800 F STORAGE [initandlisten] Reason: 13: Permission denied 2021-04-08T14:43:01.208+0800 F - [initandlisten] Fatal Assertion 28595 at src/mongo/db/storage/wiredtiger/wiredtiger_kv_engine.cpp 925 2021-04-08T14:43:01.208+0800 F - [initandlisten] \n\n***aborting after fassert() failure\n\n

日志提示data目录下文件/mongodb/data/WiredTiger.turtle权限不足，于是查看权限：

drwx------ 2 mongodb mongodb 212 Mar 30 17:53 admin drwx------ 2 mongodb mongodb 128 Mar 16 21:24 config drwx------ 2 mongodb mongodb 90 Mar 30 17:52 db5 drwx------ 2 mongodb mongodb 260 Mar 31 14:04 db6 drwx------ 2 mongodb mongodb 4096 Apr 8 14:39 diagnostic.data drwx------ 2 mongodb mongodb 110 Apr 8 14:27 journal drwx------ 2 mongodb mongodb 89 Mar 16 21:24 local -rw------- 1 mongodb mongodb 36864 Apr 8 14:39 _mdb_catalog.wt -rw------- 1 mongodb mongodb 0 Apr 8 14:39 mongod.lock -rw------- 1 mongodb mongodb 36864 Apr 8 14:39 sizeStorer.wt -rw------- 1 mongodb mongodb 114 Mar 16 21:24 storage.bson -rw------- 1 mongodb mongodb 46 Mar 16 21:24 WiredTiger -rw------- 1 root root 4096 Apr 8 14:39 WiredTigerLAS.wt -rw------- 1 mongodb mongodb 21 Mar 16 21:24 WiredTiger.lock -rw------- 1 root root 1254 Apr 8 14:39 WiredTiger.turtle -rw------- 1 mongodb mongodb 94208 Apr 8 14:39 WiredTiger.wt

原因：上次启动MongoDB时候使用的root用户启动的，所以个别文件用户和组变成了root，于是修改文件的用户和组

drwx------ 2 mongodb mongodb 212 Mar 30 17:53 admin drwx------ 2 mongodb mongodb 128 Mar 16 21:24 config drwx------ 2 mongodb mongodb 90 Mar 30 17:52 db5 drwx------ 2 mongodb mongodb 260 Mar 31 14:04 db6 drwx------ 2 mongodb mongodb 4096 Apr 8 14:39 diagnostic.data drwx------ 2 mongodb mongodb 38 Apr 8 15:14 journal drwx------ 2 mongodb mongodb 89 Mar 16 21:24 local -rw------- 1 mongodb mongodb 36864 Apr 8 14:39 _mdb_catalog.wt -rw------- 1 mongodb mongodb 0 Apr 8 14:39 mongod.lock -rw------- 1 mongodb mongodb 36864 Apr 8 14:39 sizeStorer.wt -rw------- 1 mongodb mongodb 114 Mar 16 21:24 storage.bson -rw------- 1 mongodb mongodb 46 Mar 16 21:24 WiredTiger -rw------- 1 mongodb mongodb 4096 Apr 8 14:39 WiredTigerLAS.wt -rw------- 1 mongodb mongodb 21 Mar 16 21:24 WiredTiger.lock -rw------- 1 mongodb mongodb 1254 Apr 8 14:39 WiredTiger.turtle -rw------- 1 mongodb mongodb 94208 Apr 8 15:14 WiredTiger.wt

再次尝试启动：

mongod -f /mongodb/conf/mongodb.conf about to fork child process, waiting until server is ready for connections. forked process: 9160 ERROR: child process failed, exited with error number 14 To see additional information in this output, start without the "--fork" option.

依然报错，我们继续查看日志：

2021-04-08T15:16:00.909+0800 E STORAGE [initandlisten] WiredTiger error (13) [1617866160:909118][10164:0x7f22f9814c40], connection: __posix_open_file, 665: /mongodb/data/journal/WiredTigerLog.0000000016: handle-open: open: Permission denied Raw: [1617866160:909118][10164:0x7f22f9814c40], connection: __posix_open_file, 665: /mongodb/data/journal/WiredTigerLog.0000000016: handle-open: open: Permission denied

还有个文件/mongodb/data/journal/WiredTigerLog.0000000016权限不足。修改完用户和组，启动成功。

mongod -f /mongodb/conf/mongodb.conf about to fork child process, waiting until server is ready for connections. forked process: 12032 child process started successfully, parent exiting

我们在搭建和运维相关软件时候，必须有专用用户名和组，避免出现类似的情况。

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