Compaq 108164-003 - ProLiant - 800 Guide de référence rapide

White Paper

March 1999

ECG030/0499

Prepared by Industry Standard

Server Division

Compaq Computer Corporation

Contents

Introduction to Server Consolidation – p.3

The Three Types of Consolidation – p.4

Logical Consolidation – p.5

Physical Consolidation – p.7

Rational Consolidation – p.11

Summary – p.13

Server Consolidation with

Compaq ProLiant Servers

The advantages of logical, physical

and rational consolidation

Abstract: This document addresses the benefits of server

consolidation on industry standard ProLiant servers. Server

consolidation is an industry trend that involves the optimization of

physical resources, the consolidation of applications onto fewer,

more powerful servers and centralizing the management of business

critical applications.

Server Consolidation with Compaq ProLiant Servers 2

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Notice

The information in this publication is subject to change without notice and is provided “AS IS” WITHOUT

WARRANTY OF ANY KIND. THE ENTIRE RISK ARISING OUT OF THE USE OF THIS

INFORMATION REMAINS WITH RECIPIENT. IN NO EVENT SHALL COMPAQ BE LIABLE FOR

ANY DIRECT, CONSEQUENTIAL, INCIDENTAL, SPECIAL, PUNITIVE OR OTHER DAMAGES

WHATSOEVER (INCLUDING WITHOUT LIMITATION, DAMAGES FOR LOSS OF BUSINESS

PROFITS, BUSINESS INTERRUPTION OR LOSS OF BUSINESS INFORMATION), EVEN IF

COMPAQ HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.

The limited warranties for Compaq products are exclusively set forth in the documentation accompanying

such products. Nothing herein should be construed as constituting a further or additional warranty.

This publication does not constitute an endorsement of the product or products that were tested. The

configuration or configurations tested or described may or may not be the only available solution. This test

is not a determination or product quality or correctness, nor does it ensure compliance with any federal

state or local requirements.

Product names mentioned herein may be trademarks and/or registered trademarks of their respective

companies.

Compaq, Contura, Deskpro, Fastart, Compaq Insight Manager, LTE, PageMarq, Systempro, Systempro/LT,

ProLiant, TwinTray, ROMPaq, LicensePaq, QVision, SLT, ProLinea, SmartStart, NetFlex, DirectPlus,

QuickFind, RemotePaq, BackPaq, TechPaq, SpeedPaq, QuickBack, PaqFax, Presario, SilentCool,

CompaqCare (design), Aero, SmartStation, MiniStation, and PaqRap, registered United States Patent and

Trademark Office.

Netelligent, Armada, Cruiser, Concerto, QuickChoice, ProSignia, Systempro/XL, Net1, LTE Elite,

Vocalyst, PageMate, SoftPaq, FirstPaq, SolutionPaq, EasyPoint, EZ Help, MaxLight, MultiLock,

QuickBlank, QuickLock, UltraView, Innovate logo, Wonder Tools logo in black/white and color, and

Compaq PC Card Solution logo are trademarks and/or service marks of Compaq Computer Corporation.

Microsoft, Windows, Windows NT, Windows NT Server and Workstation, Microsoft SQL Server for

Windows NT are trademarks and/or registered trademarks of Microsoft Corporation.

NetWare and Novell are registered trademarks and intraNetWare, NDS, and Novell Directory Services are

trademarks of Novell, Inc.

Pentium is a registered trademark of Intel Corporation.

Server Consolidation with Compaq ProLiant Servers

Server Consolidation with Compaq ProLiant Servers prepared by Industry Standard Server Division

First Edition (March 1999)

Document Number ECG030/0499

Server Consolidation with Compaq ProLiant Servers 3

ECGO30/0499

Introduction to Server Consolidation

The IT Balancing Act

Many IT professionals find themselves carefully balancing many problems

simultaneously, in an attempt to prevent systems and productivity from

crashing down. Forced to respond to the disparate needs of the many

departments they support, IT specialists often struggle to meet the requests of

their organization. A common method of reacting to changing demands

involves adding equipment. This procedure often solves immediate problems,

but later reveals unforeseen consequences. Like a clumsy dance, this

balancing act tends to trickle down to one common industry problem – out of

control costs.

The Trend towards Standards

Industry wide trends reveal that most major corporations are migrating from

custom designed, proprietary platforms to more economical, standardized

systems running fewer operating systems. Beyond the obvious cost savings

are powerful benefits such as highly expandable systems and easy to use

shrink-wrapped applications. These trends stem from IT organizations’

growing need to reduce the total cost of ownership of servers, storage and

labor while maximizing processing power. Together, these trends have led to

the demand for highly available consolidated systems that enhance the ability

to respond to new business challenges.

Server Consolidation Defined – From Many to Few

Server consolidation involves optimizing resources to increase staff

productivity and reduce labor requirements, reducing total costs. Placing

systems at core locations enables IT organizations to effectively respond to

emerging business challenges, simplifies data management, reduces space

requirements and helps control the overall cost of ownership. As the world’s

largest computer supplier of Industry Standard computing platforms, Compaq

is able to provide the most reliable and cost-effective server consolidation

solutions. Compaq servers lead the industry in reliability, are designed for

optimal space utilization, and include tools that empower IT staffers with the

ultimate in manageability.

The primary benefits of consolidation involve reducing costs and increasing

reliable access to data and computing resources. Server consolidation can

help contain the following costs:

•Personnel productivity: centralized server management leverages

precious IT resources, improves response times, and decreases

server down-time

•Data control and security: server consolidation provides more

consistent and reliable access to data

•Hardware costs: equipment standardization leads to economies of

scale as maintaining smaller numbers of servers reduces overall

hardware costs

•Software licensing fees: reducing the number of servers required

to support clients means fewer application licensing fees

The act of balancing

many problems

simultaneously forces IT

organizations to be

reactive, ultimately

spiraling costs out of

control

Server consolidation

stems from the

acceptance of industry

standard systems and the

need to reduce the total

cost of ownership

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Server Consolidation – Three Types

The Gartner Group identifies three different styles of server consolidation:

logical, physical and rational as tactical and workable consolidation solutions.

Logical consolidation: adopting tools that provide a centralized mechanism

for managing a set of applications. It provides operations consistency,

improves application and infrastructure reliability, increases security and

leverages precious IT talent as a business grows.

Physical consolidation: reducing the number of server and storage locations

to reduce operational costs. Also includes reducing the number of servers

and storage devices required to accomplish an organization’s computing

needs. Additionally, physical consolidation includes standardizing on a

storage environment, such as the Compaq StorageWorks Enterprise Network

Storage Architecture, to simplify day-to-day storage management, improve

economies of scale for storage purchases and easily accommodate changing

business needs.

Rational consolidation: the consolidation of applications onto fewer, more

powerful servers. Rational consolidation reduces hardware and software

expenses as well as operational overhead.

Figure 1: ProLiant server consolidation solutions address the various levels of

consolidation to different degrees.

Proliant Server

Consolidation

Solutions

Physical Consolidation

Rational ConsolidationLogical Consolidation

Logical consolidation is

many to few consoles,

physical consolidation is

many to few locations

and rational

consolidation is many to

few servers

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Logical Consolidation

Organizations that may benefit from logical consolidation rely on business

critical applications such as ERP, business intelligence, e-commerce, Internet,

Intranet, mail and collaboration products. These applications are often difficult

to control and benefit from management applications that ease their

administration and reduce downtime. With logical consolidation, application

management tools improve application availability, significantly reduce

downtime and decrease IT labor costs. Logical consolidation centralizes IT

support staff and gives them the ability to manage centrally located or

distributed applications. Additionally, logical consolidation automates tasks

and applies application management across many systems at once to resolve

common problems such as disk space utilization and software updates.

Benefits of Logical Consolidation

The valuable benefits of logical consolidation include:

•Extended uptime: by proactively monitoring system resources and solving

application problems before they fail.

•Increased administrator productivity: by automating and centralizing tasks,

making it easier to maintain or improve network, systems and application

performance.

•Reduced total cost of ownership: by minimizing the number of man hours

required to perform installations, upgrades and application management.

•Improved application availability: by reducing planned and unplanned

downtime, assuring users access to network and computing resources.

•Enhanced data management capabilities: by centralizing administration of

data used in mission critical applications.

Tradeoffs of Logical Consolidation

Research has revealed that any tradeoffs of logical consolidation can be offset

if a proper solution is implemented. The primary challenges of installing

application management tools include the material costs of the management

software, the labor required to install the solution and the time needed to fully

implement a solution. An installation can take months to fully implement and

IT staffers must be trained to fully utilize the functionality of management

tools. Fortunately Compaq logical consolidation solutions, as revealed in a

major study conducted by IDC, realize a return on investment in an average of

only 77 days.

Corporations that rely on

business critical

applications may benefit

from application

management capabilities,

a core feature of logical

consolidation

Management software

costs, installation labor

and time are all factors

that can inhibit a

management application

installation

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Benefits of Using Compaq for Rational Consolidation

Compaqs partnerships with major independent software vendors such as

BMC, CA, Tivolli and others, coupled with powerful Compaq products help

you plan, deploy and operate application management tools. Additional

benefits include:

•Compaq Insight Manager integrates with major network frameworks,

enabling IT staff to control many applications from a single console. This

powerful tool keeps your applications highly available by proactively

predicating failure of critical system resources and aids in the planning

and installation of applications across multiple servers and workstations.

•Compaqs “Active Answers” empowers administrators with unparalleled

access to information that can aid in the management of major applications.

See http://www.compaq.com/activeanswers/ for more information.

Server Consolidation with Compaq ProLiant Servers 7

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Physical Consolidation

Physical consolidation involves two types of consolidation: systems and

storage. The benefits and tradeoffs of each are unique and described as

follows:

SYSTEMS CONSOLIDATION

Organizations that may benefit from systems consolidation often have

applications and servers in separate departments, rooms and even buildings

across the globe. As systems become more distributed, managing, repairing

and upgrading them becomes more difficult and costly. Corporations need to

carefully weigh the business benefits of distribution in light of the cost benefits

of consolidation. With systems consolidation, corporations rework and

upgrade their network so that resources are located in a smaller number of

locations. Consolidating systems enables enterprise management of physical

resources from fewer locations, quick identification and resolution of problems

and it can significantly reduce overall expenses. In addition, the installation of

newer hardware and software can increase performance, capacity and fault-

tolerance of the entire infrastructure.

Figure 2: Before and after systems consolidation

Benefits of Systems Consolidation

Consolidating and upgrading systems and resources into fewer locations

provides significant benefits, including:

•Reduced costs: as a function of fewer systems performing greater tasks.

•Increased physical security: enabling all hardware to be locked and

monitored in fewer locations.

•Improved data security: as the number of platforms decrease, the access

to data can be monitored more effectively.

•Increased administrator productivity: as engineers spend more time on

server related issues and less time on non-server administrative functions,

such as traveling to remote sites to trouble shoot and upgrade systems.

•Enhanced reaction time: and proactive monitoring of systems allows

administrators to quickly solve problems, significantly reducing downtime.

Corporations with

physically dispersed

computing resources may

benefit from consolidating

and updating systems into

fewer locations to ease

physical systems

management and reduce

overall expenses

Server Consolidation with Compaq ProLiant Servers 8

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•Simplified upgrade procedures: is a function of systems in fewer locations,

reducing staffing requirements.

•Improved capacity planning: as applications may be run from fewer

servers in centralized locations.

•Increased network performance: as closer physical proximity of servers

enables high-speed connections among servers and to the network.

•Efficient use of floor space: enabling multiple servers to be stacked in a

single rack.

Tradeoffs of Systems Consolidation

There are some situations where systems consolidation may not be cost

effective. For example, if an organization’s servers are supporting extremely

remote locations (such as U.S. based servers supporting locations in Asia-

Pacific regions of the world), network infrastructure costs may outweigh the

benefits of consolidation. In addition, organizations that are distributed by

design, such as retail chains, may benefit by distributing computing resources

while centralizing the management of those resources.

There are general tradeoffs for nearly all organizations implementing server

consolidation. Significant up-front expenditures may be required to redesign

the corporate network architecture. In addition, centralizing physical

equipment opens a corporation to greater risks in disaster situations.

Additionally, when downtime does occur, it may affect a larger number of

users. Clustering and other fault tolerant features can help increase the high

availability of data. Finally, the administration staff should be prepared for

increased need for telephone support from remote users.

Benefits of Using Compaq for Systems Consolidation

An important reason to consider Compaq for your consolidation needs and

upgrade efforts is the completeness with which Compaq can satisfy your

needs. Compaq manufactures the industry’s most compact, expandable and

complete line of Intel-based servers. Compaq also has professional services

to provide configuration consulting and implementation of your solution.

Compaq consolidation solutions also include system management tools.

Compaq can partner with you during each step of planning, design and

implementation to ensure the success of your consolidation effort. Additional

benefits include:

•Compaq Servers are rack optimized for the data center, enabling up to 14

servers to be stacked in a rack that occupies only 5.5 square feet of floor

space. ProLiant workgroup servers start at 5.25 inches (3U) tall and

ProLiant 4-processor enterprise servers start at only 7 inches (4U) in

height.

•The Compaq Smart Start installation tool decreases the time required to

install and upgrade servers. This automated tool surveys systems and

configurations, enabling easy manageability of upgrades.

•Compaq Insight Manager can manage an unlimited number of servers

from a single console. This powerful application keeps your data

available by proactively predicating failure of critical system components,

such as CPU, memory and hard drives. Compaq will cross ship

components under warranty that are predicted to fail.

Organizations that are

distributed by design,

such as retail chains,

may not realize

significant cost saving

with systems

consolidation

As the largest

manufacturer of Intel

based industry standard

servers, Compaq has the

broadest array of

services and support for

your systems

consolidation efforts

Server Consolidation with Compaq ProLiant Servers 9

ECGO30/0499

•The Compaq Network and Systems Integration Services team will help

you plan your consolidation efforts, assuring a smooth and cost efficient

implementation.

STORAGE CONSOLIDATION

Organizations that benefit from storage consolidation, a form of physical

consolidation, often have a dedicated and rapidly growing storage capacity for

each server in their network. Whether servers are centralized or distributed,

dedicated disk and tape volumes deter data sharing, complicate information

security, make backups more difficult to administer, and greatly increase the

cost and complexity of growing a storage farm. As the importance and

volume of data grows, continuous access becomes critical and data

management becomes more complex. Storage consolidation provides pools

of highly available, flexible and centrally managed storage that can be

distributed to provide the performance and availability demanded by

applications. In addition, storage consolidation enables organizations to

better manage growth, control security and information access, and it provides

rapid response to changing business demands.

Figure 3: Storage Consolidation allows multiple servers to access a shared

storage repository

Benefits of Storage Consolidation

Storage consolidation provides numerous benefits to organizations, including:

•Highly scaleable storage: enabling administrators to manage growth and

quickly respond to changing business needs.

•Highly available and fault tolerant storage: providing continuous and

reliable access to data.

•Improved data management: and protection from consolidated storage.

•Increased storage utilization: from allocating storage via a centrally

managed pool of storage.

•Reduced administrative costs: and time required to troubleshoot problems.

•Platform independence: enabling sharing of data and simplified backup

procedures.

Corporations with

dedicated storage pools

for each server in their

network may benefit from

storage consolidations

highly available and

manageable features

Server Consolidation with Compaq ProLiant Servers 10

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Tradeoffs of Storage Consolidation

Storage consolidation’s numerous benefits also include a few notable

tradeoffs. It is important to consider disaster recovery scenarios when data is

centralized to a single location. In addition, storage engineering and

application configuration expertise is required to adequately analyze network

performance requirements. Storage consolidation may require a significant

initial cash outlay to procure large RAID units as opposed to simply adding

hard drives to a system. In addition, existing investments in RAID and tape

backup may become obsolete as they are replaced by larger arrays and

automated tape backup libraries.

Benefits of Using Compaq for Storage Consolidation

A primary reason to consider Compaq for your storage consolidation efforts is

that Compaq is the world’s largest storage supplier. Compaq is also the only

storage vendor that ensures high availability and reliability, high capacity and

high performance storage, with solutions for applications ranging from the

desktop to the data center. Other benefits include:

•Compaq’s Enterprise Network Storage Architecture (ENSA) provides a

highly flexible environment for data storage capacity and management.

This advanced technology creates “virtual disks” from a large pool of

consolidated storage. The storage pool is physically distributed as

business needs require. With ENSA, a storage pool can consist of a

number of small, relatively inexpensive “array controllers” that are

deployed as needed. Storage growth is granular down to a disk drive. In

addition, ENSA preserves much of today’s storage hardware investment.

Only ENSA offers the range of configuration, performance tuning,

monitoring and data protection capabilities needed to unify an enterprise

storage environment. ENSA is also designed to grow as business needs

require, while maximizing the protection of your existing storage

investments.

•StorageWorks Command Console, a Windows NT based monitoring and

configuration tool, can manage up to 1.2 petabytes of data distributed

across an enterprise from a single workstation. Its easy to use features

include failure notification, reliability monitoring and multiple levels of

security.

With consolidated

storage, issues such as

disaster recovery,

network reconfiguration

and financial planning

need to be considered

As the world’s largest

storage supplier, Compaqs

high availability, high

capacity and high

performance solutions will

meet the needs from desktop

to data center

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