Dell HP ProLiant DL385 Manuel de l'utilisateur

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Executive summary

Dell Inc. (Dell) commissioned Principled Technologies (PT)

to estimate how many months it would take to recapture

initial investment costs when consolidating multiple 4-year-

old HP ProLiant DL385 server and storage solutions onto a

Dell™ PowerEdge™ R710 server and storage solution using

VMware ESX. In this report, we estimate both the number of

older solutions each Dell PowerEdge R710 solution can

replace and the payback period for replacing those older

solutions. We compare the following two solutions:

•

Intel® Xeon® Processor X5550-based Dell

PowerEdge R710 server with 96 GB of memory

using VMware ESX and Dell™ EqualLogic™

PS6000XV storage (Dell PowerEdge R710 solution)

•

AMD Opteron 254-based HP ProLiant DL385 G1

server with 4 GB of memory and HP StorageWorks

MSA30 storage (HP ProLiant DL385 solution)

Figure 1: A single Intel Xeon Processor X5550-based Dell PowerEdge R710 solution with VMware ESX allows you to consolidate

seven AMD Opteron 254-based HP ProLiant DL385 solutions, with an initial investment payback period of under 18 months. We base

this estimation on our specific database workload.

Our test case modeled a typical enterprise datacenter with multiple legacy HP ProLiant DL385 solutions running

high-demand database workloads. The legacy servers each used 4 GB of memory. The enterprise in this test

case seeks to consolidate several of these legacy workloads onto Dell PowerEdge R710 solutions using VMware

ESX and configured with sufficient processors, memory, and storage to handle these workloads.

We used benchmark results from the Dell DVD Store Version 2.0 (DS2) performance benchmark to determine the

number of older servers with accompanying storage that a Dell PowerEdge R710 solution could replace. To

define the replacement factor, we measured the number of orders per minute (OPM) that the HP ProLiant DL385

solution could perform when running a demanding DS2 workload. We then ran DS2 in virtual machines (VMs) on

the Dell PowerEdge R710 solution and measured how many VMs this newer solution could run, while obtaining

Initial investment payback analysis: Dell

PowerEdge R710 solution with VMware ESX vs.

HP ProLiant DL385 solution

TEST REPORT

KEY FINDINGS

Each Dell PowerEdge R710 solution with

VMware® ESX™ can replace seven HP

ProLiant DL385 solutions, and could

yield a payback in under 18 months.

(See Figure 1.)

The Dell PowerEdge R710 solution with

VMware ESX delivered seven virtual

servers, each of which yielded

performance equivalent to or better than

the performance of one physical HP

ProLiant DL385

solution.

The Dell PowerEdge R710 solution with

VMware ESX used little more than 1/5th

of the power, about 4/5 of the software

costs, and 1/7th of the data center rack

space of the seven HP ProLiant DL385

solutions. (See Figures 3 and 7.)

MAY 2009

(See Figure 4.)