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HDDS-7254. Document that moving SCM from non-HA to HA is currently unsupported. #3846

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kerneltime merged 2 commits into from
Oct 18, 2022
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HDDS-7254. Document that moving SCM from non-HA to HA is currently unsupported. #3846

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HDDS-7254. Document that moving SCM from non-HA to HA is currently un…
szetszwo Oct 17, 2022
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Revised the last sentense.
szetszwo Oct 18, 2022
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7 changes: 7 additions & 0 deletions hadoop-hdds/docs/content/feature/SCM-HA.md
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Expand Up @@ -33,6 +33,13 @@ This document explains the HA setup of Storage Container Manager (SCM), please c

## Configuration

> ⚠️ **IMPORTANT** ⚠️
>
> 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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