== sanity test 77a: normal checksum read/write operation ========================================================== 01:11:24 (1787461884)
8+0 records in
8+0 records out
8388608 bytes (8.4 MB, 8.0 MiB) copied, 0.438018 s, 19.2 MB/s
8+0 records in
8+0 records out
8388608 bytes (8.4 MB, 8.0 MiB) copied, 1.12528 s, 7.5 MB/s