VDisk name must be a string of 1 to 15 characters, containing the characters A-Z, a-z, 0-9,
'-','_'. The name cannot start with '-', a numeric character or with VDisk.
Explanation:
VDisk name must be a string of 1 to 15 characters, composed of the letters A-Z, a-z, 0-9, '-', '_'. The name cannot start with '-', a numeric character or with VDisk.