== sanity test 77a: normal checksum read/write operation ========================================================== 01:05:52 (1788930352)
8+0 records in
8+0 records out
8388608 bytes (8.4 MB, 8.0 MiB) copied, 0.268227 s, 31.3 MB/s
8+0 records in
8+0 records out
8388608 bytes (8.4 MB, 8.0 MiB) copied, 1.01937 s, 8.2 MB/s