MariaDB can’t be launched (Supervisor error)

[maxexcloo]

MariaDB can’t be launched (Supervisor error)

[ambroisemaupate]

After some searching… executing in mariadb container:

mysqld_safe --skip-syslog

Logs give me error about permissions:

160926 14:36:47 mysqld_safe Starting mysqld daemon with databases from /data
2016-09-26 14:36:47 139856825276352 [Note] /usr/sbin/mysqld (mysqld 10.1.17-MariaDB-1~jessie) starting as process 3016 ...
2016-09-26 14:36:47 139856825276352 [ERROR] mysqld: File '/var/log/mysql/mariadb-bin.index' not found (Errcode: 13 "Permission denied")
2016-09-26 14:36:47 139856825276352 [ERROR] Aborting

OK, I do some chown -R core:adm /var/log/mysql and some new errors appear.

160926 14:36:47 mysqld_safe mysqld from pid file /var/run/mysqld/mysqld.pid ended
160926 14:38:16 mysqld_safe Starting mysqld daemon with databases from /data
2016-09-26 14:38:16 139661845735360 [Note] /usr/sbin/mysqld (mysqld 10.1.17-MariaDB-1~jessie) starting as process 3241 ...
2016-09-26 14:38:16 139661845735360 [Note] InnoDB: Using mutexes to ref count buffer pool pages
2016-09-26 14:38:16 139661845735360 [Note] InnoDB: The InnoDB memory heap is disabled
2016-09-26 14:38:16 139661845735360 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins
2016-09-26 14:38:16 139661845735360 [Note] InnoDB: GCC builtin __atomic_thread_fence() is used for memory barrier
2016-09-26 14:38:16 139661845735360 [Note] InnoDB: Compressed tables use zlib 1.2.8
2016-09-26 14:38:16 139661845735360 [Note] InnoDB: Using Linux native AIO
2016-09-26 14:38:16 139661845735360 [Note] InnoDB: Using SSE crc32 instructions
2016-09-26 14:38:16 139661845735360 [Note] InnoDB: Initializing buffer pool, size = 256.0M
2016-09-26 14:38:17 139661845735360 [Note] InnoDB: Completed initialization of buffer pool
2016-09-26 14:38:17 139661845735360 [Note] InnoDB: The first specified data file ./ibdata1 did not exist: a new database to be created!
2016-09-26 14:38:17 139661845735360 [Note] InnoDB: Setting file ./ibdata1 size to 12 MB
2016-09-26 14:38:17 139661845735360 [Note] InnoDB: Database physically writes the file full: wait...
2016-09-26 14:38:17 139661845735360 [Note] InnoDB: Setting log file ./ib_logfile101 size to 48 MB
2016-09-26 14:38:17 139661845735360 [Note] InnoDB: Setting log file ./ib_logfile1 size to 48 MB
2016-09-26 14:38:18 139661845735360 [Note] InnoDB: Renaming log file ./ib_logfile101 to ./ib_logfile0
2016-09-26 14:38:18 139661845735360 [Warning] InnoDB: New log files created, LSN=45883
2016-09-26 14:38:18 139661845735360 [Note] InnoDB: Doublewrite buffer not found: creating new
2016-09-26 14:38:18 139661845735360 [Note] InnoDB: Doublewrite buffer created
2016-09-26 14:38:18 139661845735360 [Note] InnoDB: 128 rollback segment(s) are active.
2016-09-26 14:38:18 139661845735360 [Warning] InnoDB: Creating foreign key constraint system tables.
2016-09-26 14:38:18 139661845735360 [Note] InnoDB: Foreign key constraint system tables created
2016-09-26 14:38:18 139661845735360 [Note] InnoDB: Creating tablespace and datafile system tables.
2016-09-26 14:38:18 139661845735360 [Note] InnoDB: Tablespace and datafile system tables created.
2016-09-26 14:38:18 139661845735360 [Note] InnoDB: Waiting for purge to start
2016-09-26 14:38:18 139661845735360 [Note] InnoDB:  Percona XtraDB (http://www.percona.com) 5.6.31-77.0 started; log sequence number 0
2016-09-26 14:38:18 139661049562880 [Note] InnoDB: Dumping buffer pool(s) not yet started
2016-09-26 14:38:18 139661845735360 [Note] Plugin 'FEEDBACK' is disabled.
2016-09-26 14:38:18 139661845735360 [ERROR] Could not open mysql.plugin table. Some plugins may be not loaded
2016-09-26 14:38:18 139661845494528 [Warning] Failed to load slave replication state from table mysql.gtid_slave_pos: 1146: Table 'mysql.gtid_slave_pos' doesn't exist
2016-09-26 14:38:18 139661845735360 [ERROR] Can't open and lock privilege tables: Table 'mysql.servers' doesn't exist
2016-09-26 14:38:18 139661845735360 [Note] Server socket created on IP: '::'.
2016-09-26 14:38:18 139661845735360 [ERROR] Fatal error: Can't open and lock privilege tables: Table 'mysql.user' doesn't exist
160926 14:38:18 mysqld_safe mysqld from pid file /var/run/mysqld/mysqld.pid ended

[ambroisemaupate]

In fact you just need to chown every mysql writeable folders to core user.

• /var/log/mysql.err ==> chown -R core:adm /var/log/mysql.err
• /var/log/mysql.log ==> chown -R core:adm /var/log/mysql.log
• /var/log/mysql ==> chown -R core:adm /var/log/mysql
• /var/run/mysqld ==> chown -R core:root /var/run/mysqld

[maxexcloo]

Any chance of a pull request?

[ambroisemaupate]

Yes I’ll do that 😁