== sanity test 77a: normal checksum read/write operation ========================================================== 05:32:20 (1712136740)
8+0 records in
8+0 records out
8388608 bytes (8.4 MB) copied, 0.108913 s, 77.0 MB/s
8+0 records in
8+0 records out
8388608 bytes (8.4 MB) copied, 0.290444 s, 28.9 MB/s