Hi. Are there any problems with having HDs of different RPM speeds in the same RAID controller? Specifically, IBM UltrStars of 10k and 15k RPM in MegaRAID and Apdaptec controllers. TIA Tim -- http://thinkum.net - smash the military-industrial complex -- Gllug mailing list - Gllug at linux.co.uk http://list.ftech.net/mailman/listinfo/gllug