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Cherry-pick #24129 to 7.12: [ILM][Docs] Clarify how to change setup.ilm.pattern #24396

Merged
merged 7 commits into from
Mar 21, 2021
6 changes: 4 additions & 2 deletions libbeat/docs/shared-ilm.asciidoc
Original file line number Diff line number Diff line change
Expand Up @@ -79,8 +79,10 @@ For more information, see
{ref}/indices-rollover-index.html#_using_date_math_with_the_rollover_api[Using
date math with the rollover API].

NOTE: If you modify this setting after loading the index template, you must
overwrite the template to apply the changes.
NOTE: Before modifying this setting for an existing ILM setup, you must manually
remove any aliases related to the previous pattern, then overwrite the policy.
Existing indices that don't match the new pattern might no longer be subject to
index lifecycle management.

[float]
[[setup-ilm-policy_name-option]]
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