dd if=/dev/urandom of=bulk01 bs=1 count=1
dd if=/dev/urandom of=bulk02 bs=1 count=2561
dd if=/dev/urandom of=bulk03 bs=1 count=3072
dd if=/dev/urandom of=bulk04 bs=1 count=3073
dd if=/dev/urandom of=bulk05 bs=1 count=65536
dd if=/dev/urandom of=bulk06 bs=1 count=66048
dd if=/dev/urandom of=bulk07 bs=1 count=66049
dd if=/dev/urandom of=bulk08 bs=1 count=8388608