Deploy a baremetal-based management cluster

This section describes how to bootstrap a baremetal-based Mirantis Container Cloud management cluster.

Ceph changes in Container Cloud 2.20

• Since Container Cloud 2.20.0, the Ceph cluster does not deploy on management and regional clusters to reduce resource consumption.

• Ceph cluster is automatically removed from existing management and regional clusters during the Container Cloud update to 2.20.0.

• Managed clusters continue using Ceph as a distributed storage system.

• Workflow overview
• Bootstrap a management cluster
  • Prepare the seed node
  • Configure BIOS on a bare metal host
  • Prepare metadata and deploy the management cluster
• Configure NIC bonding
• Customize the default bare metal host profile
• Separate PXE and management networks
• Configure multiple DHCP ranges using Subnet resources
  • Override the default dnsmasq settings
  • Configure DHCP ranges for dnsmasq
  • Configure DHCP relay on ToR switches