this is my .st file. as i know, the block size is 8k
it's enterprise,Progress version is 9.1D.
According to Progress help file, I set the -B = (8 * users) 2 = (8 * 40) 2 = (8 * 35)2 = 78400 ~ 80000
#
b r:\dtsd.b1
#
d "Schema Area":6,64 r:\dtsd.d1 f 512000
d "Schema Area":6,64 r:\dtsd.d2 f 512000
d "Schema Area":6,64 r:\dtsd.d3 f 512000
d "Schema Area":6,64 r:\dtsd.d4 f 512000
d "Schema Area":6,64 r:\dtsd.d5 f 512000
d "Schema Area":6,64 r:\dtsd.d6 f 512000
d "Schema Area":6,64 r:\dtsd.d7 f 512000
d "Schema Area":6,64 r:\dtsd.d8 f 512000
d "Schema Area":6,64 r:\dtsd.d9 f 512000
d "Schema Area":6,64 r:\dtsd.d10 f 512000
d "Schema Area":6,64 r:\dtsd.d11 f 512000
d "Schema Area":6,64 r:\dtsd.d12 f 512000
d "Schema Area":6,64 r:\dtsd.d13 f 512000
d "Schema Area":6,64 r:\dtsd.d14 f 512000
d "Schema Area":6,64 r:\dtsd.d15 f 512000
d "Schema Area":6,64 r:\dtsd.d16 f 512000
d "Schema Area":6,64 r:\dtsd.d17 f 512000
d "Schema Area":6,64 r:\dtsd.d18 f 512000
d "Schema Area":6,64 r:\dtsd.d19 f 512000
d "Schema Area":6,64 r:\dtsd.d20 f 512000
d "Schema Area":6,64 r:\dtsd.d21 f 790400
d "Schema Area":6,64 r:\dtsd.d22 f 512000
d "Schema Area":6,64 r:\dtsd.d23 f 512000
d "Schema Area":6,64 r:\dtsd.d24 f 512000
d "Schema Area":6,64 r:\dtsd.d25 f 617600
d "Schema Area":6,64 r:\dtsd.d26 f 512000
d "Schema Area":6,64 r:\dtsd.d27 f 512000
d "Schema Area":6,64 r:\dtsd.d28 f 512000
d "Schema Area":6,64 r:\dtsd.d29 f 1255808
d "Schema Area":6,64 r:\dtsd.d30 f 512000
d "Schema Area":6,64 r:\dtsd.d31 f 512000
d "Schema Area":6,64 r:\dtsd.d32 f 512000
d "Schema Area":6,64 r:\dtsd.d33 f 2097024
d "Schema Area":6,64 r:\dtsd.d34 f 512000
d "Schema Area":6,64 r:\dtsd.d35 f 512000
d "Schema Area":6,64 r:\dtsd.d36 f 512000
d "Schema Area":6,64 r:\dtsd.d37