HP XC System Software Release Notes for Version 3.0

4.4 MySQL Database Daemon Does Not Start
If the mysql database daemon does not start, check the appropriate log file in
/var/lib/mysql/node_name.err for errors. One of the most common reasons for this type
of failure is that the mysql database daemon could not create a temporary file in the /tmp
directory on start up.
Follow this procedure to resolve the problem:
1. Verify the /tmp directory permissions and change the permissions if needed:
# ls -l -d /tmp
# chmod 1777 /tmp
2. Restart the mysql database daemon:
# service mysqld restart
30 Installation Notes