== sanityn test 16i: read after truncate file ============ 04:39:36 (1743496776)
striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d16i.sanityn
  ------- before truncate --------
0002700 6e65 7265 7461 726f 4420 6561 6f6d 3a6e 0002720 762f 7261 6c2f 6269 722f 676e 3a64 732f 0002740 6962 2f6e 6f6e 6f6c 6967 0a6e 0002754
  ------- after truncate --------
0001320 746e 7520 6573 2064 7962 7420 6568 7420 0001340 6f72 7375 7265 2073 6170 6b63 6761 2065 0001360 6f74 7320 6e61 0001366