The Adaptec 1210 is a serial ATA RAID0/1 controller. When the two disks are configured as RAID1, FreeBSD still sees two harddisks instead of one. This is with 5.3. Scary :-) Will try this weekend with 5.4 -- Edwin Groothuis | Personal website: http://www.mavetju.org edwin at mavetju.org | Weblog: http://weblog.barnet.com.au/edwin/