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Old 11-10-2016, 03:46 PM   #1
sadiq106
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Registered: Jun 2014
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Failed to start MariaDB database server.


hi

Failed to start MariaDB database server.


Service Error
(XID jdygud) The mysql service failed to start.

Startup Log
Nov 11 01:36:28 exportleftovers-com systemd[1]: Starting MariaDB database server...
Nov 11 01:36:28 exportleftovers-com mysqld[8055]: 2016-11-11 1:36:28 139763749849280 [Note] /usr/sbin/mysqld (mysqld 10.1.19-MariaDB) starting as process 8055 ...
Nov 11 01:36:28 exportleftovers-com systemd[1]: mariadb.service: main process exited, code=exited, status=1/FAILURE
Nov 11 01:36:28 exportleftovers-com systemd[1]: Failed to start MariaDB database server.
Nov 11 01:36:28 exportleftovers-com systemd[1]: Unit mariadb.service entered failed state.
Nov 11 01:36:28 exportleftovers-com systemd[1]: mariadb.service failed.

Log Messages
2016-11-11 1:36:28 139763749849280 [ERROR] mysqld: Can't create/write to file '/dev/shm/mysql/ib0pdIJi' (Errcode: 2 "No such file or directory")
2016-11-11 1:36:23 139771664853184 [ERROR] mysqld: Can't create/write to file '/dev/shm/mysql/ibufQ6Qx' (Errcode: 2 "No such file or directory")
2016-11-11 1:36:17 140358575917248 [ERROR] mysqld: Can't create/write to file '/dev/shm/mysql/ibHPfciZ' (Errcode: 2 "No such file or directory")
2016-11-11 1:35:09 140478562506944 [ERROR] mysqld: Can't create/write to file '/dev/shm/mysql/ibRUYbLt' (Errcode: 2 "No such file or directory")
2016-11-11 1:28:01 140592600885440 [ERROR] mysqld: Can't create/write to file '/dev/shm/mysql/ibawY4HS' (Errcode: 2 "No such file or directory")
2016-11-11 1:27:54 139982938810560 [ERROR] mysqld: Can't create/write to file '/dev/shm/mysql/ibPcitKC' (Errcode: 2 "No such file or directory")
Nov 11 01:36:28 exportleftovers-com mysqld: 2016-11-11 1:36:28 139763749849280 [Note] /usr/sbin/mysqld (mysqld 10.1.19-MariaDB) starting as process 8055 ...
 
Old 11-10-2016, 04:01 PM   #2
keefaz
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What is the OS / Linux distribution?

/dev/shm/mysql ownership should be set to mysql:mysql
But as /dev/shm content is deleted on each reboot, you should make sure /dev/shm/mysql exists and set to mysql:mysql ownership before mysqld start, maybe in an init script
 
Old 11-10-2016, 04:05 PM   #3
sadiq106
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Registered: Jun 2014
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Thanks Buddy.

CentOS 7

I have done this
mkdir /dev/shm/mysql
chown mysql:mysql /dev/shm/mysql

Now status is

Service Error
(XID h63kzu) The “mysql” service failed to start.

Startup Log
Nov 11 01:59:32 exportleftovers-com systemd[1]: Starting MariaDB database server...
Nov 11 01:59:32 exportleftovers-com mysqld[12120]: 2016-11-11 1:59:32 140663385061568 [Note] /usr/sbin/mysqld (mysqld 10.1.19-MariaDB) starting as process 12120 ...
Nov 11 01:59:36 exportleftovers-com systemd[1]: mariadb.service: main process exited, code=exited, status=1/FAILURE
Nov 11 01:59:36 exportleftovers-com systemd[1]: Failed to start MariaDB database server.
Nov 11 01:59:36 exportleftovers-com systemd[1]: Unit mariadb.service entered failed state.
Nov 11 01:59:36 exportleftovers-com systemd[1]: mariadb.service failed.

Log Messages
Nov 11 01:59:32 exportleftovers-com mysqld: 2016-11-11 1:59:32 140663385061568 [Note] /usr/sbin/mysqld (mysqld 10.1.19-MariaDB) starting as process 12120 ...
 
Old 11-10-2016, 06:50 PM   #4
keefaz
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Maybe a problem with selinux

see SELinux and MariaDB Path Changes part of this document:
https://mariadb.com/kb/en/mariadb/wh...-doesnt-start/
 
Old 11-10-2016, 06:57 PM   #5
sadiq106
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Hi

getenforce return the Permissive
 
Old 11-10-2016, 07:03 PM   #6
sadiq106
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Registered: Jun 2014
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Hi keefaz

Thanks for your support. can you give me favor by quick answer as I'm stuck here and want to resolve this issue asap.

thanks in advance.
 
Old 11-10-2016, 09:18 PM   #7
keefaz
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Hey, can't help without more informations, sorry.
In your first post you showed some errors in log that were helpful, can you show more?
 
  


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