Qlogic 10000 Series Optimizing MS Exchange Instrukcja Użytkownika Pobierz pdf

SN0430948-00 Rev.B 11/13 1

White Paper

Optimizing MS Exchange with the

QLogic 10000 Series Adapter

FabricCache Technology Processes Exchange

Transactions Up to Five Times Faster

FabricCache technology makes caching I/O data from

Exchange entirely transparent to the host, which improves

reliability and reduces complexity.

KEY FINDINGS

• The performance of Microsoft

Exchange Server

is driven by the IOPS

capability of the underlying storage solution. The QLogic

FabricCache

™

10000 Series 8Gb Fibre Channel Adapter multiplies the capabilities

of existing storage technology by integrating Fibre Channel storage

network connectivity, ash caching, and embedded processing. QLogic

10000 Series’ FabricCache technology makes caching I/O data from

Exchange entirely transparent to the host, which improves reliability and

reduces complexity.

MICROSOFT EXCHANGE EVOLUTION AND ARCHITECTURE

The beating heart of the Exchange Server is the Microsoft Extensible

Storage Engine (ESE) API, also known as Joint Engine Technology (JET)

Blue. ESE is an indexed sequential access method (ISAM) data storage

technology that also makes up the core of Microsoft Active Directory

. ESE

provides transacted data update and retrieval capabilities, as well as a

crash recovery mechanism to maintain data consistency even in the event

of a system crash. Transactions in ESE are highly concurrent, making ESE

suitable for server applications such as Exchange.

The I/O Gap

ESE and Exchange have beneted greatly as processor and memory

performance keep pace with the promises of Moore’s Law. Storage

technology has unfortunately lagged well behind the trend. This gap leaves

Exchange starved for IOPS, which is the most critical factor in transactional

performance. Microsoft heralded several new design features to help cope

with this IOPS shortfall. Among them is the advent of database availability

EXECUTIVE SUMMARY

Few applications describe “mission critical” like the enterprise e-mail

engine. An estimated 918million users start their day by checking

e-mail messages, appointment calendars, and task lists. The always-

on, always-connected global worker is never too far from this vital

link.

The increased demands on the Microsoft Exchange Server make

it critical to optimize the server’s I/O performance in the SAN. The

QLogic 10000 Series 8Gb Fibre Channel Adapter meets that need for

high performance. By integrating a unique I/O caching architecture

with Fibre Channel connectivity, the 10000 Series Adapter

signicantly increases the performance of transactional I/O (IOPS)

and I/O read latency for large Exchange data volumes. This combined

approach of enterprise server I/O with server-based I/O caching using

ash memory delivers dramatic and smoothly scalable application

performance.

This document is intended for IT leadership, Exchange administrators,

and all those accountable for the performance of the Exchange

messaging infrastructure.

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QLogic 10000 Series Adapter 1

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Strona 1 - QLogic 10000 Series Adapter

SN0430948-00 Rev.B 11/13 1White PaperOptimizing MS Exchange with the QLogic 10000 Series AdapterFabricCache Technology Processes Exchange Transacti

Strona 2

SN0430948-00 Rev.B 11/13 2Optimizing MS Exchange with the QLogic 10000 Series AdapterWhite Papergroups (DAGs) to disburse the I/O load, as well as

Strona 3

SN0430948-00 Rev.B 11/13 3Optimizing MS Exchange with the QLogic 10000 Series AdapterWhite PaperHard drives can be combined into RAID sets to incre

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