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@@ -63,21 +63,13 @@ There are a few restrictions when using active geo replication:
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## Create or join an active geo-replication group
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1. When creating a new Azure Managed Redis resource, select the **Advanced** tab. Complete the first part of the form including clustering policy. For more information on choosing **Clustering policy**, see [Clustering in Azure Managed Redis](architecture.md#cluster-policies).
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1. When creating a new Azure Managed Redis resource, select the **Active geo-replication** tab. In the working pane, select either **Create new group** or **Join existing group**. Complete the forms as needed.
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1. Select **Configure** to set up **Active geo-replication**.
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:::image type="content" source="media/how-to-active-geo-replication/managed-redis-active-geo-replication-configure.png" alt-text="Screenshot of advanced tab of create new Redis cache page.":::
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1. Create a new replication group for a first cache instance. Or, select an existing one from the list.
1. Create a new replication group for a first cache instance. Or, select an existing one from the list.
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1. Select **Configure** to finish.
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1. Wait for the first cache to be created successfully. When complete, you see **Configured** set for **Active geo-replication**. Repeat the above steps for each cache instance in the geo-replication group.
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:::image type="content" source="media/how-to-active-geo-replication/managed-redis-active-geo-replication-configured.png" alt-text="Screenshot showing active geo-replication is configured.":::
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1. Wait for the first cache to be created successfully. When complete, you see **Configured** set for **Active geo-replication**. Repeat the previous steps for each cache instance in the geo-replication group.
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## Add an existing instance to an active geo-replication group
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1. Select to **Active geo-replication** in the Resource menu on the left to see the settings in the working pane.
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:::image type="content" source="media/how-to-active-geo-replication/managed-redis-active-geo-replication-group.png" alt-text="Screenshot of active geo-replication group.":::
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1. Select the cache that you need to force-unlink by checking the box.
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1. Select **Force unlink** and then **OK** to confirm.
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:::image type="content" source="media/how-to-active-geo-replication/managed-redis-cache-active-geo-replication-unlink.png" alt-text="Screenshot of unlinking in active geo-replication.":::
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1. Once the affected region's availability is restored, you need to delete the affected cache, and recreate it to add it back to your replication group.
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## Set up active geo-replication using the Azure CLI or PowerShell
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Due to the potential for inadvertent data loss, you can't use the `FLUSHALL` and `FLUSHDB` Redis commands with any cache instance residing in a geo-replication group. Instead, use the **Flush Cache(s)** button located at the top of the **Active geo-replication** working pane.
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:::image type="content" source="media/how-to-active-geo-replication/managed-redis-active-flush.png" alt-text="Screenshot showing Active geo-replication selected in the Resource menu and the Flush cache feature has a red box around it.":::
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## Geo-replication Metric
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The _Geo Replication Healthy_ metric in the Azure Managed Redis helps monitor the health of geo-replicated clusters. You use this metric to monitor the sync status among geo-replicas.
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Manage access to the feature using [Azure role-based access control](/azure/role-based-access-control/overview). Only authorized users should be given access to flush all caches.
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## Next steps
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## Related content
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-[Azure Managed Redis service tiers](overview.md#choosing-the-right-tier)
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-[High availability for Azure Cache for Redis](high-availability.md)
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-[High availability for Azure Managed Redis](high-availability.md)
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