Reference hardware configuration¶
The following hardware configuration is used as a reference to deploy Mirantis Container Cloud with bare metal Container Cloud clusters with Mirantis Kubernetes Engine.
Server role |
Management cluster |
Managed cluster |
---|---|---|
# of servers |
3 1 |
6 2 |
CPU cores |
Minimal: 16
Recommended: 32
|
Minimal: 16
Recommended: depends on workload
|
RAM, GB |
Minimal: 64
Recommended: 256
|
Minimal: 64
Recommended: 128
|
System disk, GB 3 |
Minimal: SSD 1x 120
Recommended: NVME 1 x 960
|
Minimal: SSD 1 x 120
Recommended: NVME 1 x 960
|
SSD/HDD storage, GB |
1 x 1900 4 |
2 x 1900 |
NICs 5 |
Minimal: 1 x 2-port
Recommended: 2 x 2-port
|
Minimal: 2 x 2-port
Recommended: depends on workload
|
- 1
Adding more than 3 nodes to a management cluster is not supported.
- 2
Three
manager
nodes for HA and threeworker storage
nodes for a minimal Ceph cluster.- 3
A management cluster requires 2 volumes for Container Cloud (total 50 GB) and 5 volumes for StackLight (total 60 GB). A managed cluster requires 5 volumes for StackLight.
- 4
In total, at least 2 disks are required:
disk0
- minimum 120 GB for systemdisk1
- minimum 120 GB forLocalVolumeProvisioner
For the default storage schema, see Default configuration of the host system storage
- 5
Only one PXE port per node is allowed. The out-of-band management (IPMI) port is not included.