SSD
SSD *caching* is great for some things like this. That way you get the awesome capacity of HDD, but potentially (depending on patterns), fast access of SSD.
See L2ARC drives in ZFS.
SSD *caching* is great for some things like this. That way you get the awesome capacity of HDD, but potentially (depending on patterns), fast access of SSD.
See L2ARC drives in ZFS.