== sanity test 101d: file read with and without read-ahead enabled ========================================================== 01:36:19 (1788932179) Create test file /mnt/lustre/f101d.sanity size 80M, 7342M free 80+0 records in 80+0 records out 83886080 bytes (84 MB, 80 MiB) copied, 9.27676 s, 9.0 MB/s Cancel LRU locks on lustre client to flush the client cache Disable read-ahead 0 Reading the test file /mnt/lustre/f101d.sanity with read-ahead disabled Cancel LRU locks on lustre client to flush the client cache Enable read-ahead with 40MB Reading the test file /mnt/lustre/f101d.sanity with read-ahead enabled read-ahead disabled time read '236.225' read-ahead enabled time read '6.50865' sleep 5 for ZFS MDS sleep 5 for ZFS OST Waiting for MDT destroys to complete