When MySQL/MariaDB fails to start, the following error is logged to the MySQL/MariaDB error log:
[Note] Recovering after a crash using tc.log
[ERROR] Can't init tc log
The error typically indicates the transaction coordinator log is empty, which may be caused by the server not having enough disk space available for writes to complete or MySQL shutting down improperly.
Rename the /var/lib/mysql/tc.log file or remove the /var/lib/mysql/tc.log by running the following command in SSH or WHM >> Terminal as root:
mv -vi /var/lib/mysql/tc.log /root
Once complete, run the following script to start MySQL/MariaDB: