Nem vonom ketsegbe az igazad, en csak olvastam:
http://wiki.openmediavault.org/index.php?title=Installation
"Minimum Requirements
i486 or amd64 platform
1 GiB RAM
2 GiB HDD/DOM/CF/USB Thumb Drive used as OpenMediaVault system drive. Flash Drives without static wear leveling are not recommended, without it they will have a very short lifetime!
NOTE: The entire disk is used as system disk. The disk can not be used to store user data.
1 HDD for data storage"