== sanity test 77a: normal checksum read/write operation ========================================================== 20:28:32 (1736990912)
8+0 records in
8+0 records out
8388608 bytes (8.4 MB) copied, 0.0771723 s, 109 MB/s
8+0 records in
8+0 records out
8388608 bytes (8.4 MB) copied, 0.187719 s, 44.7 MB/s