Job for mariadb.service failed because the control process exited with error code.
See "systemctl status mariadb.service" and "journalctl -xe" for details.
invoke-rc.d: initscript mysql, action "start" failed.
● mariadb.service - MariaDB database server
   Loaded: loaded (/lib/systemd/system/mariadb.service; enabled; vendor preset: enabled)
   Active: failed (Result: exit-code) since Fri 2017-04-28 09:08:08 EDT; 15ms ago
  Process: 6064 ExecStartPost=/etc/mysql/debian-start (code=exited, status=203/EXEC)
  Process: 6036 ExecStart=/usr/sbin/mysqld $MYSQLD_OPTS $_WSREP_NEW_CLUSTER $_WSREP_START_POSITION (code=exited, status=0/SUCCESS)
  Process: 6025 ExecStartPre=/bin/sh -c [ ! -e /usr/bin/galera_recovery ] && VAR= ||   VAR=`/usr/bin/galera_recovery`; [ $? -eq 0 ]   && systemctl set-environment _WSREP_START_POSITION=$VAR || exit 1 (code=exited, status=0/SUCCESS)
  Process: 6021 ExecStartPre=/bin/sh -c systemctl unset-environment _WSREP_START_POSITION (code=exited, status=0/SUCCESS)
  Process: 6018 ExecStartPre=/usr/bin/install -m 755 -o mysql -g root -d /var/run/mysqld (code=exited, status=0/SUCCESS)
 Main PID: 6036 (code=exited, status=0/SUCCESS)
   Status: "MariaDB server is down"

Apr 28 09:08:06 mhicks-lappy mysqld[6036]: 2017-04-28  9:08:06 140669176437504 [Note] /usr/sbin/mysqld: Normal shutdown
Apr 28 09:08:06 mhicks-lappy mysqld[6036]: 2017-04-28  9:08:06 140669176437504 [Note] Event Scheduler: Purging the queue. 0 events
Apr 28 09:08:06 mhicks-lappy mysqld[6036]: 2017-04-28  9:08:06 140668454266624 [Note] InnoDB: FTS optimize thread exiting.
Apr 28 09:08:06 mhicks-lappy mysqld[6036]: 2017-04-28  9:08:06 140669176437504 [Note] InnoDB: Starting shutdown...
Apr 28 09:08:07 mhicks-lappy mysqld[6036]: 2017-04-28  9:08:07 140669176437504 [Note] InnoDB: Waiting for page_cleaner to finish flushi…uffer pool
Apr 28 09:08:08 mhicks-lappy mysqld[6036]: 2017-04-28  9:08:08 140669176437504 [Note] InnoDB: Shutdown completed; log sequence number 1617015
Apr 28 09:08:08 mhicks-lappy mysqld[6036]: 2017-04-28  9:08:08 140669176437504 [Note] /usr/sbin/mysqld: Shutdown complete
Apr 28 09:08:08 mhicks-lappy systemd[1]: Failed to start MariaDB database server.
Apr 28 09:08:08 mhicks-lappy systemd[1]: mariadb.service: Unit entered failed state.
Apr 28 09:08:08 mhicks-lappy systemd[1]: mariadb.service: Failed with result 'exit-code'.
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