Dmitry Tantsur 98aa3bbf47 Update troubleshooting docs on no valid host found error
* Add examples of correct data
* Regroup bullet points into more logical flow
* Use OSC-based commands for Nova
* Add short information on using nova scheduler logs

Based on real world debugging experience.

Change-Id: I0f2441764a1b434fca6a1589c72ec95b083d19ab
2017-01-17 19:18:20 +01:00
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2016-12-13 09:31:08 +02:00
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