[Xen-users] Re: multiple disk images, how to?

[Charles Duffy <cduffy@xxxxxxxxxxx>]

Fernando Maior wrote:
> Good to know about xm create --dryrun command and its output.
> Yet, I did not realize big differences between the two of them,
> it seems to me they are roughly the same...
SXPs are data rather than code. They're easier to build a minimalistic 
parser for and safer for 3rd-party tools to handle (and *much* easier to 
build a GUI editor for).
Validating them to be sure values aren't redefined (as you suggested 
earlier) is much more straightforward than with handling Python code -- 
indeed, with SXPs that's something which could be put directly into the 
parser (whereas with the Python code the parser is the Python 
interpreter itself, which isn't trivial to modify).

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