== sanity test 184c: Concurrent write and layout swap ==== 02:22:55 (1789626175) 27+0 records in 27+0 records out 28311552 bytes (28 MB, 27 MiB) copied, 1.94639 s, 14.5 MB/s 41+0 records in 41+0 records out 42991616 bytes (43 MB, 41 MiB) copied, 2.907 s, 14.8 MB/s ref file size: ref1(28311552), ref2(42991616) 1728+0 records in 1728+0 records out 28311552 bytes (28 MB, 27 MiB) copied, 3.41741 s, 8.3 MB/s Copied 606208 bytes before swapping layout...