== sanity test 77a: normal checksum read/write operation ========================================================== 02:40:50 (1786948850)
8+0 records in
8+0 records out
8388608 bytes (8.4 MB, 8.0 MiB) copied, 0.286909 s, 29.2 MB/s
8+0 records in
8+0 records out
8388608 bytes (8.4 MB, 8.0 MiB) copied, 1.17461 s, 7.1 MB/s