== sanity test 101b: check stride-io mode read-ahead =========================================================================== 14:21:38 (1767036098)
striped dir -i1 -c2 -H fnv_1a_64 /mnt/lustre/d101b.sanity

0.653109s, 12.8441MB/s
Read-ahead success for size 8192

0.613855s, 13.6655MB/s
Read-ahead success for size 16384

0.649561s, 12.9143MB/s
Read-ahead success for size 32768

0.579775s, 14.4687MB/s
Read-ahead success for size 65536

0.492030s, 17.049MB/s
Read-ahead success for size 131072

0.496161s, 16.907MB/s
Read-ahead success for size 262144

0.473975s, 17.6984MB/s
Read-ahead success for size 524288

0.463545s, 18.0966MB/s
Read-ahead success for size 1048576