== sanity test 77a: normal checksum read/write operation ========================================================== 15:23:20 (1713468200) 8+0 records in 8+0 records out 8388608 bytes (8.4 MB) copied, 0.0972616 s, 86.2 MB/s 8+0 records in 8+0 records out 8388608 bytes (8.4 MB) copied, 0.220299 s, 38.1 MB/s