== sanity test 77a: normal checksum read/write operation ========================================================== 00:47:54 (1781239674)
8+0 records in
8+0 records out
8388608 bytes (8.4 MB, 8.0 MiB) copied, 0.265052 s, 31.6 MB/s
8+0 records in
8+0 records out
8388608 bytes (8.4 MB, 8.0 MiB) copied, 1.17566 s, 7.1 MB/s