== sanity test 77a: normal checksum read/write operation ========================================================== 00:20:00 (1783138800)
8+0 records in
8+0 records out
8388608 bytes (8.4 MB, 8.0 MiB) copied, 0.287409 s, 29.2 MB/s
8+0 records in
8+0 records out
8388608 bytes (8.4 MB, 8.0 MiB) copied, 0.962866 s, 8.7 MB/s