== sanity test 101b: check stride-io mode read-ahead =========================================================================== 07:43:32 (1775043812)
striped dir -i1 -c2 -H all_char /mnt/lustre/d101b.sanity

0.807144s, 10.393MB/s
Read-ahead success for size 8192

0.759069s, 11.0512MB/s
Read-ahead success for size 16384

0.797929s, 10.513MB/s
Read-ahead success for size 32768

0.704956s, 11.8995MB/s
Read-ahead success for size 65536

0.602819s, 13.9156MB/s
Read-ahead success for size 131072

0.597356s, 14.0429MB/s
Read-ahead success for size 262144

0.518128s, 16.1902MB/s
Read-ahead success for size 524288

0.510279s, 16.4393MB/s
Read-ahead success for size 1048576