== sanity test 77a: normal checksum read/write operation ========================================================== 16:11:04 (1717013464)
8+0 records in
8+0 records out
8388608 bytes (8.4 MB) copied, 0.114055 s, 73.5 MB/s
8+0 records in
8+0 records out
8388608 bytes (8.4 MB) copied, 0.46888 s, 17.9 MB/s