Missing GB's on my 147 GB disks in a RAID controller MAP3147NC Missing GB's on my 147 GB disks in a RAID controller MAP3147NC heyjo1 (IS/IT--Management) (OP) 10 Nov 04 15:54 I have 7 147 gb disks on a powervault with with a PERC 4 raid controller. the bios only recognizes approx 138 gb on each disk. is this normal? at raid 5 i'm only getting approx 828 gb's instead of 882. where did my 54 gigs go ???