== sanity test 184c: Concurrent write and layout swap ==== 00:40:22 (1787460022) 21+0 records in 21+0 records out 22020096 bytes (22 MB, 21 MiB) copied, 3.13053 s, 7.0 MB/s 58+0 records in 58+0 records out 60817408 bytes (61 MB, 58 MiB) copied, 7.9511 s, 7.6 MB/s ref file size: ref1(22020096), ref2(60817408) 1344+0 records in 1344+0 records out 22020096 bytes (22 MB, 21 MiB) copied, 6.3341 s, 3.5 MB/s Copied 540672 bytes before swapping layout...