Qlogic Storage Networking (Unified Fabric Pilot) Guia do Utilizador descarregar pdf (Página 117)

a single XenServer. Each virtual desktop was configured with 1.5 GB of RAM. With 110 virtual desktops utilizing

1.5 GB of RAM per virtual desktop, 165GB of the available memory is consumed by virtual desktops. The

variance between 165GB and the line shown on the graph is the amount of memory being utilized by the

XenServer hypervisor.

When assessing the overall results of the testing is that the VM per CPU core density was maintained across all

test environment configurations. As shown in the table below, the VM density per CPU core was maintained while

the number of hosts was increased showing a linear CPU core to VM density ratio.

Windows7 pooled

desktops

1vCPU and 1.5GB

RAM.

3 GB PVS Cache/OS

Paging File on NFS

Volumes

XenServer 5.6

No. of Servers Tested

No. of VMs

VMs/Core

Cisco UCS B250

M2s w/ Dual Six

Core (3.33GHz)

192GiB RAM

1 Blade

110

9.16

8 Blades

880

16 Blades

1760

When evaluating the overall performance of the environment for validation purposes is the NIC performance

especially given the SAN dependencies. When assessing the network traffic with XenServer Pools, it‘s again

important to note the role that the XenServer is playing within each pool. The network data represented as bits

per second in this section is first separated by resource pool role, and then displays the data for each of the four

physical 10GbE NICs on that individual server

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Qlogic Storage Networking (Unified Fabric Pilot) Guia do Utilizador Página 117