[MyL5] L5 first impressions

Here you go:

  WRITE: bw=62.1MiB/s (65.1MB/s), 62.1MiB/s-62.1MiB/s (65.1MB/s-65.1MB/s), io=248MiB (260MB), run=3993-3993msec
  READ: bw=110MiB/s (116MB/s), 110MiB/s-110MiB/s (116MB/s-116MB/s), io=248MiB (260MB), run=2249-2249msec