QA output created by 512
wrote 21/21 bytes at offset 0
XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
mount: /mnt/scratch: wrong fs type, bad option, bad superblock on /dev/mapper/flakey-test, missing codepage or helper program, or other error.
File content after power failure:
0000000 68 65 6c 6c 6f 20 77 6f 72 6c 64 21 0a
0000013
umount: /mnt/scratch: not mounted.