si la versione è la 5.0.21

lanciando il comando:
/usr/local/mysql/bin/mysqld_safe restart

ricevo la seguente risposta che non credo sia corretta:

mac-mini-di-dav:~ dav$ /usr/local/mysql/bin/mysqld_safe restart
touch: /usr/local/mysql/data/mac-mini-di-dav.local.err: Permission denied
chown: /usr/local/mysql/data/mac-mini-di-dav.local.err: Permission denied
Starting mysqld daemon with databases from /usr/local/mysql/data
/usr/local/mysql/bin/mysqld_safe: line 376: /usr/local/mysql/data/mac-mini-di-dav.local.err: Permission denied
rm: /tmp/mysql.sock: Permission denied
rm: /usr/local/mysql/data/mac-mini-di-dav.local.pid: Permission denied
/usr/local/mysql/bin/mysqld_safe: line 1: /usr/local/mysql/data/mac-mini-di-dav.local.err: Permission denied
STOPPING server from pid file /usr/local/mysql/data/mac-mini-di-dav.local.pid
tee: /usr/local/mysql/data/mac-mini-di-dav.local.err: Permission denied
060506 14:50:05 mysqld ended
tee: /usr/local/mysql/data/mac-mini-di-dav.local.err: Permission denied