In field we noticed performance issues within a particular VDI environment in terms of the amount of virtual machines the costumer was able to start on their XenServer hosts, as well as a bad performance within the user-sessions.
In that particular environment it was not possible to have more than 60-65 Machines operated on one XenServer host. With a higher count of machines we recognized that the dom0 was full loaded and the PVS driver shows a bad throughput of approximately 4 MB/s or worst. The user experience massively dropped after having 65 VMs started.
- PVS 6.1
- XenServer 6.0.2
- Provisioned Windows 7 (64 Bit) Clients
- PVS-Network not separated (10 Gbit Broadcom) ...
To learn more and to read the entire article at its source, please refer to the following page, XenServer Scalabilitiy – Performance Tuning- The Citrix Blogs