== sanity test 101b: check stride-io mode read-ahead =========================================================================== 22:59:47 (1788836387)
striped dir -i1 -c2 -H fnv_1a_64  /mnt/lustre/d101b.sanity

1.703653s, 4.92389MB/s
Read-ahead success for size 8192

2.056388s, 4.07929MB/s
Read-ahead success for size 16384

2.272574s, 3.69124MB/s
Read-ahead success for size 32768

1.891718s, 4.43439MB/s
Read-ahead success for size 65536

1.620335s, 5.17708MB/s
Read-ahead success for size 131072

1.771493s, 4.73533MB/s
Read-ahead success for size 262144

1.480850s, 5.66472MB/s
Read-ahead success for size 524288

1.854837s, 4.52256MB/s
Read-ahead success for size 1048576