On Wed, Aug 06, 2008 at 01:04:23PM +1000, Mark Nelson wrote: > Hi Greg, > > I think I have an addition for the following list: > http://www.linuxdriverproject.org/twiki/bin/view/Main/DriversNeeded > > I recently bought an MSI K9A2 Platinum motherboard and it has a > Promise SATA/SAS RAID (fakeraid) controller onboard that is not > currently supported by the Linux kernel (as far as I can tell anyway). hardware raid is bad, stay away from it :) Seriously, if at all possible, it's just not worth it, use software raid, it's faster and more reliable (you can restore your disks if the controller breaks...) > References to the controller in the motherboard manual and the > motherboard manufacturer's website: Promise T3 [1] > > Written on the actual chip on the motherboard: Promise PDC42819 [2] > > This chip is also used on Promise's own FastTrak TX2650 & TX4650 > adapters [3] which have "partial open source" drivers [4], [5]. This > driver looks like an open source wrapper around a binary blob (some > fasttrak library for software fake raid, I think). > > Having a quick look through the source of Promise's driver, it looks > like the driver has been hacked up out of a driver that was originally > used for fakeraid on ATI and intel southbridges as well as Promise's > SX4 adapter (and some Promise adapter called the OCTOPUSII). > > Promise has an open source commitment written on its werbsite [6] but > it just relates to their SuperTrak products (not their FastTrak ones) > and the stex driver. Try bringing this up on the linux-ata mailing list, the developers there should be able to easily help you out. thanks, greg k-h