Helper methods for operations related to the management of volumes, and storage repositories
To raise errors related to SR, VDI, PBD, and VBD commands.
Return the storage repository given a uuid.
Find the SR reference from the VBD reference.
Forgets the storage repository without destroying the VDIs within
Introduce VDI in the host.
Translate a mountpoint like /dev/sdc into a numeric.
Parse device_path and mountpoint as they can be used by XenAPI. In particular, the mountpoint (e.g. /dev/sdc) must be translated into a numeric literal.