Advice needed on how to improve specific question

Question

I'm after some advice. I asked the question below in good faith but it's been closed (as non-constructive) and I'm at a bit of a loss in figurng out how I can ask it the right way. Any help appreciated.

https://serverfault.com/questions/497491/common-reasons-why-virtually-hosted-backend-applications-might-fail

Answer 1

This one failed the "too broad" test, as there is no one true answer and could get a lot of brain-stormy answers. In short, it's focus is very open ended rather than narrow. Questions phrased like:

What are some common issues that affect...

Do badly here. Questions here need to be about one or a small set of already known issues that we can help resolve.

I'm not sure how to change your question to fit seeing as you're looking for "what have I missed" kinds of things.

Answer 2

It's really hard to definitively answer the kind of question you're asking.
The crux of what you want to know is summarized toward the end of your question:

In what ways could an application fail that require "some time" to get the application back up and running (but not so fatal that DR [was] invoked)?

And the answer is "It depends" (on, among other things, your application, its failure modes, your downtime tolerance, and your DR plan). We could give you lists-of-things, but those lists are always going to be vague and incomplete.
Conversely if you come up with the list yourself (see the comment I left on the question for a point in the right direction) you'll have a better starting point to understanding what could go wrong and how you want to react (fix, flee (to DR sites), or F it all and sell the company).

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Now once you've done a FMEA or fault tree analysis you'll probably have some new items you hadn't thought about ("What happens if a squirrel gets into the datacenter and chews through all the fiber cables?!") -- Those we can probably help you with, as they're more specific and narrowly scoped.