[ozone] branch master updated: HDDS-7254. Document that moving SCM from non-HA to HA is currently unsupported. (#3846)

[ri...@apache.org]

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The following commit(s) were added to refs/heads/master by this push:
     new 11f4686ce8 HDDS-7254. Document that moving SCM from non-HA to HA is currently unsupported. (#3846)
11f4686ce8 is described below

commit 11f4686ce8c601b194c7a0466cca6e19b131aede
Author: Tsz-Wo Nicholas Sze <sz...@apache.org>
AuthorDate: Wed Oct 19 04:22:04 2022 +0800

    HDDS-7254. Document that moving SCM from non-HA to HA is currently unsupported. (#3846)
---
 hadoop-hdds/docs/content/feature/SCM-HA.md | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/hadoop-hdds/docs/content/feature/SCM-HA.md b/hadoop-hdds/docs/content/feature/SCM-HA.md
index ebbe998fd4..4201b13de2 100644
--- a/hadoop-hdds/docs/content/feature/SCM-HA.md
+++ b/hadoop-hdds/docs/content/feature/SCM-HA.md
@@ -33,6 +33,13 @@ This document explains the HA setup of Storage Container Manager (SCM), please c
 
 ## Configuration
 
+> &#x26a0;&#xfe0f; **IMPORTANT** &#x26a0;&#xfe0f;
+>
+> SCM HA is currently supported only for fresh installations.
+> SCM HA must be enabled when starting the Ozone service in the beginning.
+> Once an SCM has been started in non-HA mode,
+> changing it to HA mode is unsupported.
+
 HA mode of Storage Container Manager can be enabled with the following settings in `ozone-site.xml`:
 
 ```XML


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