== sanity test 77a: normal checksum read/write operation ========================================================== 00:02:29 (1721880149)
8+0 records in
8+0 records out
8388608 bytes (8.4 MB) copied, 0.0794871 s, 106 MB/s
8+0 records in
8+0 records out
8388608 bytes (8.4 MB) copied, 0.22477 s, 37.3 MB/s