== sanity test 77a: normal checksum read/write operation ========================================================== 03:31:20 (1722238280) 8+0 records in 8+0 records out 8388608 bytes (8.4 MB) copied, 0.0703597 s, 119 MB/s 8+0 records in 8+0 records out 8388608 bytes (8.4 MB) copied, 0.204881 s, 40.9 MB/s