== sanity test 77a: normal checksum read/write operation ========================================================== 07:30:59 (1750591859)
8+0 records in
8+0 records out
8388608 bytes (8.4 MB) copied, 0.119579 s, 70.2 MB/s
8+0 records in
8+0 records out
8388608 bytes (8.4 MB) copied, 0.863592 s, 9.7 MB/s