Within the API, there are three methods that can be used to decide if a platform, host, or vm supports a function.
\- Some objects have a capabilities attribute (e.g) that will describe the capabilities. This is very useful in HostSystem to decide what type of Snapshots the host system supports. Unfortunately, not all capabilities were encoded that way.
\- Some objects used "DisabledMethods" property to tell you that some of the properties are disabled. This has the two causes: you don't have the privileges for this operation or the platform doesn't support it.
\- And finally some methods just simply return "Not supported" if you invoke them on a platform that doesn't implement. Unfortunately, many methods fall in that last category. From what I've seen, RescanAllHba is one of these.
\- Makes your script a little harder:
- Try rescanallhba
- if not supported, then scan each hba one at a time.
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