From b81eac635fdb1915bde4aadb04c779f58e7dd109 Mon Sep 17 00:00:00 2001 From: Tal Levy Date: Mon, 28 Jan 2019 21:26:28 -0800 Subject: [PATCH] add docs saying mixed-cluster ILM is not supported Closes #37085. --- docs/reference/ilm/index.asciidoc | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/docs/reference/ilm/index.asciidoc b/docs/reference/ilm/index.asciidoc index aa27ab1386b80..d54d36ca2a3ae 100644 --- a/docs/reference/ilm/index.asciidoc +++ b/docs/reference/ilm/index.asciidoc @@ -46,6 +46,16 @@ to a single shard. . After 7 days, move the index into the cold stage and move it to less expensive hardware. . Delete the index once the required 30 day retention period is reached. + +[IMPORTANT] +=========================== +{ilm} does not support mixed-cluster usage. Usage of new policies using +new actions that do not exist in the oldest version of a cluster with +mixed-versioned nodes. Although it may be possible to create such new +policies against newer-versioned nodes, there is no guarantee they +will work as intended. +=========================== + -- include::getting-started-ilm.asciidoc[]