[root@vps94761 ~]# service mysqld start
Timeout error occurred trying to start MySQL Daemon.
Starting mysqld:                                           [FAILED]
[root@vps94761 ~]# tail /var/log/mysqld.log
161020 15:56:27 mysqld_safe Number of processes running now: 0
161020 15:56:27 mysqld_safe mysqld restarted
161020 15:56:27  InnoDB: Initializing buffer pool, size = 8.0M
161020 15:56:27  Inno161020 15:56:27 mysqld_safe Number of processes running now                        : 0
161020 15:56:27 mysqld_safe mysqld restarted
161020 15:56:27  InnoDB: Initializing buffer pool, size = 8.0M
161020 15:56:27  InnoDB: Completed initialization of buffer pool
161020 15:56:27  InnoDB: Started; log sequence number 0 452581927
161020 15:56:27 [ERROR] /usr/libexec/mysqld: Error writing file '/var/run/mysqld                        /mysqld.pid' (Errcode: 28)
161020 15:56:27 [ERROR] Can't start server: can't create PID file: No space left on device
[root@vps94761 ~]#


[root@vps94761 ~]# df -h
Filesystem      Size  Used Avail Use% Mounted on
/dev/vda1        40G   40G     0 100% /
tmpfs           3.8G  8.0K  3.8G   1% /dev/shm