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new 95a880a47 HDDS-14257. [Website v2][Docs][Administrator
Guide]Decommissioning a Storage Container Manager (#180)
95a880a47 is described below
commit 95a880a47d05160d19d6b8e915cacf4738f5804d
Author: Sarveksha Yeshavantha Raju
<[email protected]>
AuthorDate: Thu Jan 1 00:06:19 2026 +0530
HDDS-14257. [Website v2][Docs][Administrator Guide]Decommissioning a
Storage Container Manager (#180)
---
.../02-storage-container-manager.md | 32 +++++++++++++++++++++-
1 file changed, 31 insertions(+), 1 deletion(-)
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a/docs/05-administrator-guide/03-operations/03-node-decommissioning-and-maintenance/02-storage-container-manager.md
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index 01b074786..da84875fb 100644
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a/docs/05-administrator-guide/03-operations/03-node-decommissioning-and-maintenance/02-storage-container-manager.md
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b/docs/05-administrator-guide/03-operations/03-node-decommissioning-and-maintenance/02-storage-container-manager.md
@@ -4,4 +4,34 @@ sidebar_label: Storage Container Manager
# Decommissioning a Storage Container Manager
-**TODO:** File a subtask under
[HDDS-9859](https://issues.apache.org/jira/browse/HDDS-9859) and complete this
page or section.
+Storage Container Manager (SCM) decommissioning is the process in which you
can gracefully remove one of the SCM from the SCM HA Ring.
+
+To decommission an SCM and remove the node from the SCM HA ring, the following
steps need to be executed.
+
+```shell
+ozone admin scm decommission [-hV] [--service-id=<scmServiceId>]
-nodeid=<nodeId>
+```
+
+You can obtain the `nodeId` by executing this command, `ozone admin scm roles`
+
+## Leader SCM
+
+If you want to decommission the **leader** SCM, you must first transfer the
leadership to a different SCM and then decommission the node.
+
+To transfer the leader, we can execute below command,
+
+```shell
+ozone admin scm transfer [--service-id=<scmServiceId>] -n=<nodeId>
+```
+
+After successful leadership change you can proceed with decommissioning.
+
+## Primordial SCM
+
+If you want to decommission the **primordial** SCM, you have to change the
`ozone.scm.primordial.node.id` property to point to a different SCM and then
proceed with decommissioning.
+
+### Note
+
+During SCM decommissioning the private key of the decommissioned SCM should be
manually deleted. The private keys can be found inside `hdds.metadata.dir`.
+
+Manual deletion is needed until we have certificate revocation support
(HDDS-8399)
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