This command loads the update image and reboots the appliance to the specified update image. The specified image status should be equal to "previous" or the command fails.
Example Request:
PUT /api/system/v1/updates/nas@2013.08.25,1-0/upgrade Host: zfssa.example.com:215 Authorization: Basic abcefgMWE= Content-Length: 0
Example Response:
HTTP/1.1 202 Accepted X-Zfssa-Appliance-Api: 1.0