ES upgraded to 6.2 but didn't reindex indices first


#1

Hi. I just upgraded my ES from 5.6.3 --> 6.2. I missed the step to reindex all my indices first (they were done when the cluster was 2.3.x) Is there anyway I can reindex them now without having to roll back some of my master and data nodes back to 5.6.3?

Error message I'm getting.

[2018-03-06T15:36:46,422][ERROR][o.e.b.Bootstrap ] Exceptionjava.lang.IllegalStateException: The index [[indices-2017.09.07/BGtlW_i4SGO6CzaHEbz_OQ]] was created with version [2.3.4] but the minimum compatible version is [5.0.0]. It should be re-indexed in Elasticsearch 5.x before upgrading to 6.2.2.

thanks.


(system) #2

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