On 8/11/05, Sola Alabi <solaalabi@xxxxxxxxx> wrote: > deploying for enterprise that will start with 150 users but can grow in to > 500 users. > > also I have not impliment raid be4 , pls advice .. but i can only get 4( > 36GB) hard disk . Push the bean counters for two more hard drives in a RAID1 (mirror) config. Use them for the OS. Install Exchange DB's and Logs on the RAID 5. Not the greatest setup, but much better than everything on one RAID 5 array. ...D -- CPDE - Certified Petroleum Distribution Engineer CCBC - Certified Canadian Beer Consumer