Simon Willnauer 3aabda6752 Ensure elasticsearch doesn't start with unuspported indices (#20514)
If an index was created with pre 2.0 we should not treat it as supported
even if all segments have been upgraded to a supported lucene version.

Closes #20512
2016-09-16 16:11:53 +02:00
..
2016-08-30 13:31:24 -04:00