== sanity test 77a: normal checksum read/write operation ========================================================== 00:02:24 (1721880144)
8+0 records in
8+0 records out
8388608 bytes (8.4 MB) copied, 0.0798333 s, 105 MB/s
8+0 records in
8+0 records out
8388608 bytes (8.4 MB) copied, 0.227603 s, 36.9 MB/s