vSphere Prerequisites and Resource Requirements
Page last updated:
This topic describes the prerequisites and resource requirements for installing Pivotal Container Service (PKS) on vSphere.
For prerequisites and resource requirements for installing PKS on vSphere with NSX-T integration, see vSphere with NSX-T Version Requirements and Hardware Requirements for PKS on vSphere with NSX-T.
PKS supports air-gapped deployments on vSphere with or without NSX-T integration.
You can also configure integration with the Harbor tile, an enterprise-class registry server for container images. For more information, see VMware Harbor Registry in the Pivotal Partner documentation.
Before installing PKS, you must install Ops Manager. You use Ops Manager to install and configure PKS.
To prepare your vSphere environment for installing Ops Manager and PKS, review the sections below and then follow the instructions in Preparing vSphere Before Deploying PKS.
PKS on vSphere supports the following vSphere component versions:
Note: VMware vSphere 6.7 is only supported with Ops Manager v2.3.1 or later.
Installing Ops Manager and PKS requires the following virtual machines (VMs):
|Pivotal Container Service||2||8 GB||16 GB ^*|
|Pivotal Ops Manager||1||8 GB||160 GB|
|BOSH Director||2||8 GB||16 GB|
Storage Requirements for Large Numbers of Pods
If you expect the cluster workload to run a large number of pods continuously, then increase the size of persistent disk storage allocated to the the Pivotal Container Service VM as follows:
|Number of Pods||Storage (Persistent Disk) Requirement ^*|
|1,000 pods||20 GB|
|5,000 pods||100 GB|
|10,000 pods||200 GB|
|50,000 pods||1,000 GB|
Ephemeral VM ResourcesEach PKS deployment requires ephemeral VMs during installation and upgrades of PKS. After you deploy PKS, BOSH automatically deletes these VMs. To enable PKS to dynamically create the ephemeral VMs when needed, ensure that the following resources are available in your vSphere infrastructure before deploying PKS:
|Ephemeral VM||Number||CPU Cores||RAM||Ephemeral Disk|
|BOSH Compilation VMs||4||4||4 GB||32 GB|
Kubernetes Cluster Resources
Each Kubernetes cluster provisioned through PKS deploys the VMs listed below. If you deploy more than one Kubernetes cluster, you must scale your allocated resources appropriately.
|VM||Number||CPU Cores||RAM||Ephemeral Disk||Persistent Disk|
|master||1 or 3||2||4 GB||8 GB||5 GB|
|worker||1 or more||2||4 GB||8 GB||50 GB|
|errand (ephemeral)||1||1||1 GB||8 GB||none|
Please send any feedback you have to firstname.lastname@example.org.