== sanity test 77a: normal checksum read/write operation ========================================================== 02:40:36 (1786948836)
8+0 records in
8+0 records out
8388608 bytes (8.4 MB, 8.0 MiB) copied, 0.236384 s, 35.5 MB/s
8+0 records in
8+0 records out
8388608 bytes (8.4 MB, 8.0 MiB) copied, 1.19145 s, 7.0 MB/s