11/17/2007
Data Test Program (dt)
19
IOT Data Pattern
nThe Logical Block Address (LBA) is encoded in the first 4 bytes of each data block (little-endian byte ordering).
nThe constant value 0x01010101 is added to the LBA as a seed for subsequent words to generate uniqueness throughout the entire data block.
n
nExample:
u# dt of=- count=1 pattern=iot stats=none | od -X
u0000000  00000000 01010101 02020202 03030303
u0000020  04040404 05050505 06060606 07070707
• …
u0000740  78787878 79797979 7a7a7a7a 7b7b7b7b
u0000760  7c7c7c7c 7d7d7d7d 7e7e7e7e 7f7f7f7f
u0001000
u#