== sanity test 184c: Concurrent write and layout swap ==== 22:57:48 (1767844668) 29+0 records in 29+0 records out 30408704 bytes (30 MB, 29 MiB) copied, 0.500174 s, 60.8 MB/s 56+0 records in 56+0 records out 58720256 bytes (59 MB, 56 MiB) copied, 0.878583 s, 66.8 MB/s ref file size: ref1(30408704), ref2(58720256) 1856+0 records in 1856+0 records out 30408704 bytes (30 MB, 29 MiB) copied, 0.506922 s, 60.0 MB/s Copied 6979584 bytes before swapping layout...