# Cluster Management Procedures


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                    <h5 class="panel_\_title">Cluster and DC Creation</h5>
            
Procedures for Cluster and Datacenter Management

* [Create a ScyllaDB Cluster - Single Data Center (DC)](https://docs.scylladb.com/manual/master/operating-scylla/procedures/cluster-management/create-cluster.md)
* [Create a ScyllaDB Cluster - Multi Data Center (DC)](https://docs.scylladb.com/manual/master/operating-scylla/procedures/cluster-management/create-cluster-multidc.md)
* [Create a ScyllaDB Cluster on EC2 (Single or Multi Data Center)](https://docs.scylladb.com/manual/master/operating-scylla/procedures/cluster-management/ec2-dc.md)
* [Remove a Data-Center from a ScyllaDB Cluster](https://docs.scylladb.com/manual/master/operating-scylla/procedures/cluster-management/decommissioning-data-center.md)
* [Remove a Seed Node from Seed List](https://docs.scylladb.com/manual/master/operating-scylla/procedures/cluster-management/remove-seed.md)
* [Upscale a Cluster](https://docs.scylladb.com/manual/master/operating-scylla/procedures/cluster-management/scale-up-cluster.md)
* [Safely Shutdown Your Cluster](https://docs.scylladb.com/manual/master/operating-scylla/procedures/cluster-management/safe-shutdown.md)
* [Safely Start or Restart Your Cluster](https://docs.scylladb.com/manual/master/operating-scylla/procedures/cluster-management/safe-start.md)

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                    <h5 class="panel_\_title">Node Management</h5>
            
Procedures for Node Management

* [Adding a New Node Into an Existing ScyllaDB Cluster - Out Scale](https://docs.scylladb.com/manual/master/operating-scylla/procedures/cluster-management/add-node-to-cluster.md)
* [Adding a New Data-Center Into an Existing ScyllaDB Cluster - Out Scale](https://docs.scylladb.com/manual/master/operating-scylla/procedures/cluster-management/add-dc-to-existing-dc.md)
* [Remove a Node from a ScyllaDB Cluster - Down Scale](https://docs.scylladb.com/manual/master/operating-scylla/procedures/cluster-management/remove-node.md)
* [Replace a Dead Node in a ScyllaDB Cluster](https://docs.scylladb.com/manual/master/operating-scylla/procedures/cluster-management/replace-dead-node.md)
* [Replace More than One Dead Node in a ScyllaDB Cluster](https://docs.scylladb.com/manual/master/operating-scylla/procedures/cluster-management/replace-dead-node-or-more.md)
* [Replace a Seed Node in a ScyllaDB Cluster](https://docs.scylladb.com/manual/master/operating-scylla/procedures/cluster-management/replace-seed-node.md)
* [Replace a Running Node in a ScyllaDB Cluster](https://docs.scylladb.com/manual/master/operating-scylla/procedures/cluster-management/replace-running-node.md)
* [Safely Remove a Joining Node](https://docs.scylladb.com/manual/master/operating-scylla/procedures/cluster-management/safely-removing-joining-node.md)
* [What to do if a Node Starts Automatically](https://docs.scylladb.com/manual/master/operating-scylla/procedures/cluster-management/clear-data.md)
* [Add a Decommissioned Node Back to a ScyllaDB Cluster](https://docs.scylladb.com/manual/master/operating-scylla/procedures/cluster-management/revoke-decommission.md)
* [Add Bigger Nodes to a Cluster](https://docs.scylladb.com/manual/master/operating-scylla/procedures/cluster-management/scale-up-cluster.md#add-bigger-nodes-to-a-cluster)
* [Repair Based Node Operations (RBNO)](https://docs.scylladb.com/manual/master/operating-scylla/procedures/cluster-management/repair-based-node-operation.md)
* [Preventing Quorum Loss in Symmetrical Multi-DC Clusters](https://docs.scylladb.com/manual/master/operating-scylla/procedures/cluster-management/arbiter-dc.md)
* [Cluster Platform Migration Using Node Cycling](https://docs.scylladb.com/manual/master/operating-scylla/procedures/cluster-management/cluster-platform-migration.md)

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                    <h5 class="panel_\_title">Topology Changes</h5>
            
Procedures for Changing the Topology

* [Update Topology Strategy From Simple to Network](https://docs.scylladb.com/manual/master/operating-scylla/procedures/cluster-management/update-topology-strategy-from-simple-to-network.md)
* Some of these procedures are also covered in the [MMS course](https://university.scylladb.com/courses/the-mutant-monitoring-system-training-course/) and in the [ScyllaDB Operations course](https://university.scylladb.com/courses/scylla-operations) on ScyllaDB University

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                    <h5 class="panel_\_title">Handling Failures</h5>
            
Procedures for handling failures and practical examples of different scenarios.

* [Handling Failures](https://docs.scylladb.com/manual/master/architecture/raft.md#raft-handling-failures)

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