I have four 1TB WD Caviar Black drives on an RR1820 in a hardware RAID5 config. RocketRAID config software shows the array as 3000.1GB, but FreeNAS only shows around 760GB in Disk Management. When I add the "disk", format it, mount it, and share it, Windows shows it as 723GB. What happened to all of the drive space?
For reference, when I use four 500GB Seagate 7200.11 drives on the same controller, the disk size is reported correctly.
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