== sanity test 101b: check stride-io mode read-ahead =========================================================================== 20:48:45 (1784940525)
striped dir -i1 -c2 -H fnv_1a_64  /mnt/lustre/d101b.sanity

1.924808s, 4.35815MB/s
Read-ahead success for size 8192

1.812466s, 4.62828MB/s
Read-ahead success for size 16384

1.738041s, 4.82647MB/s
Read-ahead success for size 32768

1.281455s, 6.54616MB/s
Read-ahead success for size 65536

1.301743s, 6.44414MB/s
Read-ahead success for size 131072

1.839780s, 4.55957MB/s
Read-ahead success for size 262144

1.465744s, 5.72311MB/s
Read-ahead success for size 524288

1.302120s, 6.44227MB/s
Read-ahead success for size 1048576