Hi anyone knows if I added a cold storage phase to my ILM, will it take into account current indices which were move to warm phase before?
for example, indices which were moved to warm phase 100 days ago
It would depend on what version of Elasticsearch. In 7.7.0+ indices stop at the last phase currently configured (so the warm/completed/completed step) in which case adding a cold phase would mean that the indices older than 90 days would move immediately into the cold phase.
For versions prior to 7.7.0, the indices are in the completed/completed/completed step, in which case adding the cold phase would only affect indices that hadn't already completed all of their ILM actions.
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