== sanity test 77a: normal checksum read/write operation ========================================================== 03:40:28 (1784187628)
8+0 records in
8+0 records out
8388608 bytes (8.4 MB, 8.0 MiB) copied, 0.340518 s, 24.6 MB/s
8+0 records in
8+0 records out
8388608 bytes (8.4 MB, 8.0 MiB) copied, 1.22779 s, 6.8 MB/s