== sanity test 101b: check stride-io mode read-ahead =========================================================================== 09:37:49 (1788529069)
striped dir -i1 -c2 -H fnv_1a_64  /mnt/lustre/d101b.sanity

2.479825s, 3.38274MB/s
Read-ahead success for size 8192

1.817182s, 4.61627MB/s
Read-ahead success for size 16384

2.050769s, 4.09047MB/s
Read-ahead success for size 32768

2.096405s, 4.00143MB/s
Read-ahead success for size 65536

1.891959s, 4.43382MB/s
Read-ahead success for size 131072

1.733368s, 4.83948MB/s
Read-ahead success for size 262144

1.858952s, 4.51255MB/s
Read-ahead success for size 524288

1.901396s, 4.41182MB/s
Read-ahead success for size 1048576