zfs+mysql

http://lagman.su/2010/01/mysql-innodb-zfs-tuning/
http://www.solarisinternals.com/wiki/index.php/ZFS_Best_Practices_Guide
Тестирование MySQL: ZFS vs UFS плюс комменты
http://www.solarisinternals.com/wiki/index.php/ZFS_Evil_Tuning_Guide
http://www.solarisinternals.com/wiki/index.php/ZFS_for_Databases
http://wiki.freebsd.org/ZFSTuningGuide