== sanity test 77a: normal checksum read/write operation ========================================================== 01:47:04 (1776923224)
8+0 records in
8+0 records out
8388608 bytes (8.4 MB, 8.0 MiB) copied, 0.397137 s, 21.1 MB/s
8+0 records in
8+0 records out
8388608 bytes (8.4 MB, 8.0 MiB) copied, 1.35276 s, 6.2 MB/s