VMware VIEW COMPOSER 2.5 - ARCHITECTURE Uživatelský manuál stáhnout pdf (Strana 36)

EMC Infrastructure for Virtual Desktops Enabled by EMC VNX Series,

VMware vSphere 4.1, VMware View 4.5, and VMware View Composer 2.5 Proven Solution Guide

Testing overview

Introduction

This chapter provides a summary and characterization of the tests performed to

validate the solution. The goal of the testing was to characterize the performance of

the solution and component subsystems during the following scenarios:

• Boot storm of all desktops

• View desktop refresh of all desktops

• View recompose of all desktops

• McAfee antivirus full scan on all desktops

• Security patch install with Microsoft SCCM

• User workload testing using Login VSI

The steps used to configure McAfee and SCCM are beyond the scope of this

document.

Validated environment profile

Observed

workload

A commercial desktop workload generator was used to run an example task worker

benchmark with the Windows 7 virtual desktops. The following table shows the

observed workload that was used to size this reference architecture:

Windows 7 workload

Committed

bytes

Read

IOPS

Write

IOPS

Total

IOPS

Active

RAM

(MB)

Processor

time

Network

bytes/s

Avg

522349163.5 3.9 5.3 9.2 264.3 7.5 75551.1

95th

589459456.0 4.0 26.4 30.4 453.0 36.6 145559.2

Max

599506944.0 577.0 875.0 1452.0 460.0 109.3 5044232.8

Traditional

sizing

From the observed workload there are two traditional ways of sizing the I/O

requirements, average IOPS and 95

percentile IOPS. The following table shows the

number of disks required to meet the IOPS requirements by sizing for both the

average and the 95

percentile IOPS:

Windows 7 disk requirements

Avg IOPS # Users

Total

IOPS

Read: Write

Mix IOPS

FC disks

required

9 500 4500 45:55 Read: 2000 10

Write: 2500 13

IOPS # Users

Total

IOPS

Read: Write

Mix IOPS

FC disks

required

30.4 500 15200 15:85 Read: 2280 12

Write:12920 65

1 2 ... 31 32 33 34 35 36 37 38 39 40 41 ... 72 73

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