I am working on in-place ES version upgrade from ES version 7.17 to ES 8.14, however I am blocked at a place as I see that .security-6 exist in the current cluster, and I am not sure how to upgrade this index in production with zero downtime, and what will be the process to upgrade this security index to .security-7?
thank you for responding @carly.richmond, I am not using upgrade assistant, but following manual steps to reindex older indices and trying to do the same for the security index, is there any way how I can create the upgraded security index(.security-7) and re-index the data from older version, or do we have any documentation, if ES can create new security index, if previous one is closed/missing?
thanks for all the help here @carly.richmond@TimV , we were able to upgrade the security index using upgrade assistant, however we had to upgrade kibana in our clusters, as we do not use kibana for our prod clusters.
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