HDDS-12030. Update SCM-HA.zh.md #7669
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Change-Id: I0d7cf24c00aab38148e9ffd3e6e38d98e9beb318
slfan1989
approved these changes
Jan 9, 2025
| HA mode of Storage Container Manager can be enabled with the following settings in `ozone-site.xml`: | ||
| As of Apache Ozone 2.0, SCM HA is always enabled. Test deployments can continue to use single node Ratis for SCM if needed. |
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The user might get confused with SCM HA and Ratis if they don't have understanding on how HA is implemented.
We can remove this line completely as the end user doesn't have to know about Ratis to run single or multiple (HA) SCM.
| @@ -234,7 +228,7 @@ bin/ozone debug ldb --db=/tmp/metadata/scm.db scan --column-family=containers | |||
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| ## Migrating from existing SCM | |||
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Suggested change
| ## Migrating from existing SCM | |
| ## Migrating from Non-HA to HA SCM |
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| SCM HA is turned on for any Ozone cluster after upgrade to 2.0.0 or later. First configure only one node for the Ratis ring (`ozone.scm.nodes.serviceId` should have one element). | ||
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| Start the cluster and test if it works well. |
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Suggested change
| SCM HA is turned on for any Ozone cluster after upgrade to 2.0.0 or later. First configure only one node for the Ratis ring (`ozone.scm.nodes.serviceId` should have one element). | |
| Start the cluster and test if it works well. | |
| Add additional SCM nodes and extend the cluster configuration to reflect the newly added nodes. | |
| Bootstrap the newly added SCM nodes with `scm --bootstrap` command and start the SCM service. | |
| Note: Make sure that the `ozone.scm.primordial.node.id` property is pointed to the existing SCM before you run the `bootstrap` command on the newly added SCM nodes. |
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What changes were proposed in this pull request?
HDDS-12030. Update SCM-HA.zh.md
Please describe your PR in detail:
What is the link to the Apache JIRA
https://issues.apache.org/jira/browse/HDDS-12030
How was this patch tested?
Doc only