The _run_multipath command is wrong, it should be 'multipath -r'
not 'multipath - r'.
Closes-bug: 1437794
Change-Id: I9a40265ba2a53e024626829f892b523672160e07
Bad log message:
"extend volume 1 to 2"
Correct one:
"extend volume 1 GB to 2 GB"
(also update my profile in .mailmap)
Change-Id: I6d229c4440f2f5443b45a10f3912c20e21c63f32