On Sat, Apr 11, 2015 at 11:03 AM, Brandon Vincent <[log in to unmask]> wrote: > This is not correct. LSI SAS2008 I/O controllers do support TRIM with > drives that support both deterministic trim (DRAT) and deterministic > read zero after trim (DZAT). My bad. I didn't see that this thread was about using the controller in IR mode. Vladimir is correct about IR mode not supporting RAID. Sorry for any confusion. Brandon Vincent