== sanity test 77a: normal checksum read/write operation ========================================================== 17:32:33 (1781818353)
8+0 records in
8+0 records out
8388608 bytes (8.4 MB, 8.0 MiB) copied, 0.104154 s, 80.5 MB/s
8+0 records in
8+0 records out
8388608 bytes (8.4 MB, 8.0 MiB) copied, 0.415586 s, 20.2 MB/s