> It should work. Please post your before and after raidfile.conf files.
Before:
disc0
{
        SetNumber = 0
        BlockSize = 2048
        Dir0 = /home/boxbackup/data/0.0
        Dir1 = /home/boxbackup/data/0.0
        Dir2 = /home/boxbackup/data/0.0
}
After:
disc0
{
        SetNumber = 0
        BlockSize = 2048
        Dir0 = /nas/boxbackup/data/0.0
        Dir1 = /nas/boxbackup/data/0.0
        Dir2 = /nas/boxbackup/data/0.0
}
Stefan