Adaptec 5325301808-6 Datasheet download pdf (Page 3)

QL S

RVER

000

CSI S

RVER

™

8000 C

ARACTERIZATION

Introduction

Adaptec is the worldwide volume leader in network attached

storage (NAS) products, offering its customers the successful

nap Server family of Network Attached Storage servers. These

NAS solutions combine the most reliable and cost-effective

technologies with industry-leading ease of integration. Adaptec

is actively developing new features and capabilities that extend

the traditional NAS appliances into an iSCSI target that sup-

ports both block and file needs. By combining these new iSCSI

capabilities with industry-leading ease of integration, Adaptec

strongly believes there are significant opportunities to target

applications within the enterprise that require block-level serv-

ices. In order to target and sell to these enterprise customers,

Adaptec has positioned its storage appliance in terms of an

overall solution.

The introduction of low-cost, high-performance storage

devices provides new opportunities for enterprise IT to use

storage in innovative ways that were previously cost-prohibi-

tive or not technically feasible. One such opportunity is to

leverage iSCSI devices for use in database applications. Unlike

previous NAS devices that were file based, iSCSI brings block-

level access and high performance to a lower-cost storage

medium. This presents a compelling reason for IT to evaluate

the potential for iSCSI as primary storage for database applica-

tio

ns.

1.1 Document Overview

This document is intended to provide Adaptec with hard data

from lab testing as to how the Adaptec iSCSI device compares

against direct attached local SCSI disk storage in Microsoft®

SQL S

erver™ 2000 applications.

Interlink has provided this information within this document

in the following format:

•

Solution Overview – A general understanding of the bene-

fits and issues associated with using NAS devices as

Microsoft® SQL Server™ 2000 primary storage.

• Testing Methodology – How Interlink approached a gener-

alized performance characterization of Microsoft® SQL

rver™ 2000.

•

est R

ults –

A review of all test results with interpretation

of findings.

• Recommended Architecture - Defines a high-level architec-

ure based on testing results along with recommendations

for extending this architecture in an Exchange production

environment.

• Conclusion – A summary of findings and recommenda-

tions.

1.2 Audience

This document assumes the reader has a moderate under-

standing of networking and server environment technology

terms and acronyms. The intended audience is Adaptec cus-

tomers, IT managerial and technical personnel.

2. Solution Overview

This section briefly describes the technical problem that the

solution addresses, as well as a general overview of how Inter-

link approached the generalized performance testing of the

Adaptec Snap Server iSCSI device in a Microsoft® SQL Serv-

er™ 2000 environment.

2.1 Statement of the Problem

If one were to ask the question, “is this storage device suitable

for use as Microsoft® SQL Server™ 2000 primary storage?” the

answer would have to be “it depends”. There are infinite ways

that Microsoft® SQL Server™ 2000 can be used to address

common business problems today. Each usage case will have

its own associated performance requirements that might

embrace or preclude the use of one storage method over

another. Enterprises considering the use of new, lower-cost

network attached storage devices with the iSCSI protocol with

Microsoft® SQL Server™ 2000 need to be assured of the per-

formance characteristics in this database environment. When

evaluating potential storage solutions for a Microsoft® SQL

Server™ 2000 environment, the following attributes should be

taken into consideration:

• Performance – Does the solution meet the performance

requirements for the particular application of Microsoft®

SQL Server™ 2000?

• Availability – Does the solution have the necessary architec-

ture to ensure adequate failure protection such as built in

dundancy of components, data striping, etc.?

•

verability – In the event of a failure or corruption, can

data be quickly recovered?

• Flexibility – Does the solution offer flexibility in terms of

dding capa

city, modifying storage allocation, accommo-

dating multiple different RAID sets, etc.?

• Manageability – Can the device be easily managed and

administered without complex knowledge requirements?

2.2 Solution Description

he S

nap S

er iSCSI solution is an attractive alternative to

other storage scenarios for the following reasons:

• Adaptability – The use of network attached storage can

lp IT r

educe isolated server-centric disk storage that

results in “islands of information”. Administrators can

quickly modify space allocation based on changing business

requirements without having to perform complex and risky

data backup and restoration. Storage administrators can

cat

e a single device for multiple usage scenarios (e.g.

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Adaptec 5325301808-6 Datasheet Page 3

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