== sanity test 184c: Concurrent write and layout swap ==== 13:12:50 (1761153170) 41+0 records in 41+0 records out 42991616 bytes (43 MB, 41 MiB) copied, 4.1157 s, 10.4 MB/s 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 4.17607 s, 10.0 MB/s ref file size: ref1(42991616), ref2(41943040) 2624+0 records in 2624+0 records out 42991616 bytes (43 MB, 41 MiB) copied, 11.1509 s, 3.9 MB/s Copied 540672 bytes before swapping layout...