== sanity test 77a: normal checksum read/write operation ========================================================== 00:27:00 (1782361620)
8+0 records in
8+0 records out
8388608 bytes (8.4 MB, 8.0 MiB) copied, 0.087672 s, 95.7 MB/s
8+0 records in
8+0 records out
8388608 bytes (8.4 MB, 8.0 MiB) copied, 0.382501 s, 21.9 MB/s