== sanity test 101b: check stride-io mode read-ahead =========================================================================== 11:43:26 (1736786606)
striped dir -i1 -c2 -H all_char /mnt/lustre/d101b.sanity

0.355911s, 23.5694MB/s
Read-ahead success for size 8192

0.362696s, 23.1285MB/s
Read-ahead success for size 16384

0.346285s, 24.2246MB/s
Read-ahead success for size 32768

0.405070s, 20.709MB/s
Read-ahead success for size 65536

0.300384s, 27.9263MB/s
Read-ahead success for size 131072

0.267466s, 31.3633MB/s
Read-ahead success for size 262144

0.283742s, 29.5642MB/s
Read-ahead success for size 524288

0.330198s, 25.4048MB/s
Read-ahead success for size 1048576