[SAFS]: disable using SSDs to improve randomness in the kernel.
[SAFS]: disable using SSDs to improve randomness in the kernel.

icoming/FlashX,zheng-da/FlashX,icoming/FlashGraph,icoming/FlashGraph,icoming/FlashX,flashxio/FlashX,zheng-da/FlashX,zheng-da/FlashX,icoming/FlashX,icoming/FlashGraph,flashxio/FlashX,flashxio/FlashX,icoming/FlashGraph,zheng-da/FlashX,icoming/FlashGraph,icoming/FlashX,zheng-da/FlashX,flashxio/FlashX,flashxio/FlashX,icoming/FlashX,flashxio/FlashX