== sanity test 101b: check stride-io mode read-ahead =========================================================================== 05:54:30 (1721382870)
striped dir -i1 -c2 -H fnv_1a_64 /mnt/lustre/d101b.sanity

0.052627s, 159.397MB/s
Read-ahead success for size 8192

0.058730s, 142.833MB/s
Read-ahead success for size 16384

0.072773s, 115.271MB/s
Read-ahead success for size 32768

0.069007s, 121.562MB/s
Read-ahead success for size 65536

0.080452s, 104.268MB/s
Read-ahead success for size 131072

0.089752s, 93.4643MB/s
Read-ahead success for size 262144

0.087497s, 95.8731MB/s
Read-ahead success for size 524288

0.092623s, 90.5672MB/s
Read-ahead success for size 1048576