Activate the specified PBD, causing the referenced SR to be attached and scanned

Parameters
name	type	description
session_id	session	valid session reference
self	PBD	The PBD to activate
Errors
name	arguments	description
SR_UNKNOWN_DRIVER	driver	The SR could not be connected because the driver was not recognised.

• Message has both a synchronous and asynchronous version
• This is a custom message