== sanity test 101b: check stride-io mode read-ahead =========================================================================== 09:36:50 (1721223410)
striped dir -i1 -c2 -H fnv_1a_64 /mnt/lustre/d101b.sanity

0.136971s, 61.2437MB/s
Read-ahead success for size 8192

0.109582s, 76.551MB/s
Read-ahead success for size 16384

0.101396s, 82.7312MB/s
Read-ahead success for size 32768

0.100687s, 83.3137MB/s
Read-ahead success for size 65536

0.099625s, 84.2018MB/s
Read-ahead success for size 131072

0.097759s, 85.8091MB/s
Read-ahead success for size 262144

0.098472s, 85.1877MB/s
Read-ahead success for size 524288

0.096840s, 86.6234MB/s
Read-ahead success for size 1048576