== sanity test 77a: normal checksum read/write operation ========================================================== 03:50:13 (1773733813)
8+0 records in
8+0 records out
8388608 bytes (8.4 MB, 8.0 MiB) copied, 0.847767 s, 9.9 MB/s
8+0 records in
8+0 records out
8388608 bytes (8.4 MB, 8.0 MiB) copied, 2.40154 s, 3.5 MB/s