vSphere CSI Driver - Limits

Limits vanilla block vanilla File Pacific supervisor cluster Tanzu Kubernetes Grid
Scale 10000 volumes for vsan, nfs, vmfs 32 File shares (5 clients per share) 7000 volumes 7000 volumes
840 volumes for vVOL
Number of Block PVs per VM with 4 controllers Max 59 (with 4 Paravirtual SCSI controllers on VM with 1 slot used for primary disk of Node VM) N/A Max 29 Max 59
Multiple instances of CSI pods in Multi-master mode replica = 1 replica = 1 replica = 1 replica = 1

Note:

  • Only a single vCenter is supported by vSphere CSI Driver. To use vSphere CSI driver, make sure node VMs do not spread across multiple vCenter servers.
  • In Vanilla Kubernetes Cluster, with each non Paravirtual SCSI controllers on the Node VM, max limit for block volume per node is reduced by 15.

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