Tejun Heo writes: > > Can you try to update the firmware as explained in the SIMG support page > > and see whether that fixes the problem? I am actually trying to put all the sw on the array, will try to update firmware later. Have some weird problems .. the whole thing just froze, sigh. Also, why can't I enable write-caching on each drive behind PM? > Hmmm... Before doing that, do your drives spin up one-by-one as the > above probing progresses? Yes, the probing starts with the bottom drive and progresses to the top. But it seems for each drive it resets (from the bottom) all already probed drives. Igor - To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html