Tài liệu High Availability MySQL Cookbook phần 6

The performance of a MySQL Cluster that uses disk data storage can be improved significantly
by placing the tablespace and logfile group on separate block devices. One way to
do this is to pass absolute paths to the commands that create these files, while another is
symbolic links in the data directory.
Using symbolic links create the following two symbolic links on each storage node, assuming
that you have disk2 and disk3 mounted in /mnt/, substituting <NODEID> for the correct
value as follows