Before you begin¶
Before you start the cluster deployment, verify that your system meets the following minimum hardware and software requirements for a vSphere-based management cluster:
Note
For the bootstrap node, you can use any local machine running Ubuntu 20.04 with the following resources:
2 vCPUs
4 GB of RAM
5 GB of available storage
Resource |
Requirement |
---|---|
# of hypervisors |
1 |
# of nodes |
3 (HA) |
# of vCPUs |
24 (8 vCPUs per node) |
RAM in GB |
72 (24 per node) |
Storage in GB |
360 (120 per node) that must be shared to the hypervisor |
RHEL license (for RHEL deployments only) |
1 RHEL license for Virtual Datacenters per hypervisor |
Obligatory vSphere capabilities |
DRS,
Shared datastore
|
IP subnet size |
Minimum 20 IPs:
Also, consider the supported VMware vSphere network objects and IPAM recommendations. |
Software |
Version |
---|---|
Operating system distribution |
For the bootstrap node: Ubuntu 20.04 or RHEL 8.7
For the Container Cloud clusters:
|
VMware vSphere |
7.0 or 6.7 |
cloud-init version 2 |
20.3 for RHEL 8.7 1 |
VMware Tools version 2 |
11.0.5 |
- 1(1,2)
RHEL 8.7 is generally available since Cluster releases 16.0.0 and 14.1.0. Before these Cluster releases, it is supported within the Technology Preview features scope.
Container Cloud does not support mixed operating systems, RHEL combined with Ubuntu, in one cluster.
- 2(1,2)
The minimal
open-vm-tools
andcloud-init
packages versions built for the VM template.