examples/surface-scan

   1 ; writes 512 byte verification blocks until the disk is full,
   2 ; then verifies written data
   3 [global]
   4 thread=1
   5 bs=64k
   6 direct=1
   7 ioengine=sync
   8 verify=meta
   9 verify_pattern=0xaa555aa5
  10 verify_interval=512
  11
  12 [write-phase]
  13 filename=datafile.tmp   ; or use a full disk, for example /dev/sda
  14 rw=write
  15 fill_device=1
  16 do_verify=0
  17
  18 [verify-phase]
  19 stonewall
  20 create_serialize=0
  21 filename=datafile.tmp
  22 rw=read
  23 do_verify=1