== sanity test 77a: normal checksum read/write operation ========================================================== 02:31:40 (1788589900)
8+0 records in
8+0 records out
8388608 bytes (8.4 MB, 8.0 MiB) copied, 0.434119 s, 19.3 MB/s
8+0 records in
8+0 records out
8388608 bytes (8.4 MB, 8.0 MiB) copied, 1.05874 s, 7.9 MB/s