VMmanager: Administrator guide

Maximum configuration values

The VMmanager platform has the following limitations:

Parameter

Maximum allowable value

Number of physical cores per physical processor

64 pcs

Number of physical processors per cluster node

limited by the node OS capabilities

Size of cluster node RAM

4096 Gb

Number of nodes in a high availability cluster

24 pcs*

Number of nodes in the cluster without high availability settings

unlimited**

Number of vCPUs per VM

240 pcs

Size of vRAM at one VM

4 TB

Number of vNICs per VM

unlimited

Number of IP addresses per VM

256***

Size of guest virtual disk

2 TB (MBR disks)

9.4 TB (GPT disks)

Maximum number of VMs running on the cluster node

limited by the resources of the cluster node

Maximum number of vCPUs enabled on the cluster node

limited by the resources of the cluster node

Pass-through disk size

unlimited

Number of VMs running and protected in a high availability cluster

2048 pcs

Recommended maximum number of VMs per platform

(if this limit is exceeded, performance may be degraded)

25000 pcs

Maximum number of VMs per platform

(the functionality of a platform with this number of VMs has been tested, but performance may be significantly degraded)

65535 pcs

*maximum number of nodes the configuration has been tested with

**tested on a configuration with 350 nodes

***adding more IP-addresses is possible, but the performance of the VM with this configuration is not guaranteed

Note:
The VMmanager virtualization platform guarantees compatibility with any software and hardware complex that meets the software and hardware requirements of the master and the nodes .