FreeBSD Port: mysql-server-4.0.20

Benjamin Thelen thelen at
Wed Jul 14 06:02:37 PDT 2004

Christoph Bodner wrote:
> Dear package-maintainers of the MySQL-server!
> I would like to inform you of a potential problem when using 
> "/var/db/mysql" as the data folder. Usually in a standard installation, 
> during slicing and partitioning the disk layout, "/var" belongs to 
> partition "e", which is, e.g.,  only 256 MB large as opposed to 
> partition "g" which can hold  many GigaBytes. The folllowing listing is 
> a "df" output of my server:
> Filesystem  1K-blocks     Used    Avail Capacity  Mounted on
> /dev/ar0s1a    128990    47748    70924    40%    /
> /dev/ar0s1f    257998        8   237352     0%    /tmp
> /dev/ar0s1g  77123102 27117646 43835608    38%    /usr
> /dev/ar0s1e    257998     1034   236326     0%    /var
> procfs              4        4        0   100%    /proc
> Therefore, I am forced to reconfigure this for a real-world-mission 
> where MySQL tables require much more space than reservered for partition 
> "e". Maybe, "/usr/home/mysql" or "/usr/local/mysql" would be a better 
> location for the data dictionary of MySQL.
> Kind regards,
> Christoph Bodner
> Innsbruck (Austria)
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At first glance, I would agree that the standard /var partition size 
is not suitable for using databases. That was, what I first thought. 
The same is true for postgresql. But honestly I don't think, that 
/usr/xxx/mysql or .../pgsql is a good solution. I use symbolic links 
in /var and move the databases to a 5th partition h, which I mount as 
/data. That works fine. Another solution would be to just use a bigger 
/var partition and a third way would be to use a separate harddisk, 
which is for bigger databases the best solution annyway. If you plan 
to setup a new server for database purposes, I think you do not want 
to just accept the defaults. Otherwise I suggest to use symbolic links.


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