== sanity test 101b: check stride-io mode read-ahead =========================================================================== 14:57:56 (1715453876)
striped dir -i1 -c2 -H crush /mnt/lustre/d101b.sanity

0.094590s, 88.6839MB/s
Read-ahead success for size 8192

0.094669s, 88.6099MB/s
Read-ahead success for size 16384

0.091812s, 91.3672MB/s
Read-ahead success for size 32768

0.091253s, 91.9269MB/s
Read-ahead success for size 65536

0.091419s, 91.76MB/s
Read-ahead success for size 131072

0.091202s, 91.9783MB/s
Read-ahead success for size 262144

0.094018s, 89.2234MB/s
Read-ahead success for size 524288

0.093403s, 89.8109MB/s
Read-ahead success for size 1048576