== sanity test 77a: normal checksum read/write operation ========================================================== 21:03:25 (1713402205) 8+0 records in 8+0 records out 8388608 bytes (8.4 MB) copied, 0.09577 s, 87.6 MB/s 8+0 records in 8+0 records out 8388608 bytes (8.4 MB) copied, 0.244302 s, 34.3 MB/s