Larry Linder writes:

> I have a need to move an installation of mysql from /var/lib/mysql to another 
> disk.  /var has limited size.
> I installed a new 1 T disk on new system.
> used "yum" to install mysql-server mysql it installs and runs 
> from /var/lib/mysql
> /etc/init.d/mysqld  stop
> I followed the procedure in RH to move the data files etc.
> Once you change the my.cnf to new location
> 
> /etc/init.d/mysqld start
> long delay 
> (failed)
> Not much of an error message.
> 
> The last time I use ln -s to link new disk to /var/lib/mysql.   When system 
> was rebuilt this went away and I need a reliable way to move mysql to new 
> disk.
> 
> Thank You
> Larry Linder
>

Check /var/log/mysql.log (or similar). You shouldn't need to do symlinks and 
the like; instead edit /etc/my.cnf and change datadir to point to a new 
directory then restart. Make sure the new $datadir is chown mysql:mysql.

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