== sanity test 101b: check stride-io mode read-ahead =========================================================================== 13:33:34 (1758735214)
striped dir -i1 -c2 -H fnv_1a_64 /mnt/lustre/d101b.sanity

0.572742s, 14.6464MB/s
Read-ahead success for size 8192

0.619409s, 13.5429MB/s
Read-ahead success for size 16384

0.665210s, 12.6105MB/s
Read-ahead success for size 32768

0.641417s, 13.0782MB/s
Read-ahead success for size 65536

0.511453s, 16.4015MB/s
Read-ahead success for size 131072

0.525069s, 15.9762MB/s
Read-ahead success for size 262144

0.476233s, 17.6145MB/s
Read-ahead success for size 524288

0.478335s, 17.5371MB/s
Read-ahead success for size 1048576