== sanity test 77a: normal checksum read/write operation ========================================================== 00:12:57 (1734671577)
8+0 records in
8+0 records out
8388608 bytes (8.4 MB) copied, 0.142238 s, 59.0 MB/s
8+0 records in
8+0 records out
8388608 bytes (8.4 MB) copied, 0.470838 s, 17.8 MB/s