Enable Mirroring Graphically

Note!
This operation must be performed after the database deployment is complete and mirroring has not yet been enabled.

1 Entry Point to Enable Mirroring

Log in to the UI and navigate to the "Cluster" page. Click the "Actions" button in the upper-right corner, then select "Enable mirror" to enter the mirroring setup homepage.
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Note!
The "Enable Mirror" button will not appear if mirror instances already exist in the cluster.

2 Execute Mirroring Enablement

2.1 Homepage

Read the instructions carefully. After confirming that you wish to proceed, click "I acknowledge", then click the "Begin" button to begin the process.
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2.2 Information Collection Page

Displays the current physical machine cluster topology, including blank machines. A blank machine refers to a host that was added during deployment but has no data segment instance assigned. Confirm the information is correct, then click "Next".
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2.3 Distribution Preview Page

Shows the default planned topology for mirror segments.
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2.4 Distribution Preview Page – Custom Mirror Placement

Click "Advanced Options" to enable "Customize mirror disterbution " placement. This displays the current default mirror segment configuration file.
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The configuration file uses CSV format with four columns: Content ID, hostname, port number, and data directory of the mirror segment.
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After modifying the configuration, click "Comfirm" to regenerate the plan. The preview will now show the customized mirror topology.
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2.5 Execution Plan Page

After finalizing the mirror layout, click "Execute" to start applying the mirroring plan.
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The execution may take a considerable amount of time. You can leave the mirroring setup page and use other features during this period. A progress banner will appear at the top of the page while the task runs.
Click "Details" to return to the mirroring execution page.
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After the mirroring process completes successfully, click "Done" to exit the setup.
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3 Verify Mirroring Result

Go to the "Cluster" page and switch to "Instance" view. The new mirror segment topology will be visible in the cluster diagram.
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For enabling mirrors using the mxaddmirrors tool, refer to the Tools Guide.