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TIBCO ActiveSpaces® 4.8.0

# Disaster Recovery at a Mirror Grid

This procedure is used when the primary grid is unavailable and you want to run the cutover.

Procedure
1. If the primary grid's realm service is down, stop the remaining satellite realm services.
2. Select a new data grid that is going to be the primary grid. Restart the realm service of the new primary grid as the "primary" realm service by omitting the `satelliteof` configuration option. If there are additional mirror grids, restart their realm services as "satellite" realm services, by specifying the `satelliteof` configuration option and referencing the new "primary" realm service.
3. Use the following command to activate the mirror grid to be the new primary grid.

       tibdg -r http://rs1:8080 gridset setPrimary Gridset DR1

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