== sanity test 77a: normal checksum read/write operation ========================================================== 02:54:00 (1788764040)
8+0 records in
8+0 records out
8388608 bytes (8.4 MB, 8.0 MiB) copied, 0.414335 s, 20.2 MB/s
8+0 records in
8+0 records out
8388608 bytes (8.4 MB, 8.0 MiB) copied, 1.08248 s, 7.7 MB/s