== sanity test 101b: check stride-io mode read-ahead =========================================================================== 17:25:09 (1781213109)
striped dir -i1 -c2 -H fnv_1a_64  /mnt/lustre/d101b.sanity

1.898065s, 4.41956MB/s
Read-ahead success for size 8192

1.972120s, 4.2536MB/s
Read-ahead success for size 16384

2.447292s, 3.42771MB/s
Read-ahead success for size 32768

2.366919s, 3.5441MB/s
Read-ahead success for size 65536

2.007186s, 4.17929MB/s
Read-ahead success for size 131072

1.819764s, 4.60972MB/s
Read-ahead success for size 262144

1.575662s, 5.32386MB/s
Read-ahead success for size 524288

1.711572s, 4.90111MB/s
Read-ahead success for size 1048576