== sanity test 77a: normal checksum read/write operation ========================================================== 20:16:08 (1777421768)
8+0 records in
8+0 records out
8388608 bytes (8.4 MB, 8.0 MiB) copied, 0.104623 s, 80.2 MB/s
8+0 records in
8+0 records out
8388608 bytes (8.4 MB, 8.0 MiB) copied, 0.488447 s, 17.2 MB/s