Compaq External RAID Controller & Subsystem Infortrend Instrukcja Użytkownika Pobierz pdf (Strona 30)

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Storage Industry Overview

3.4 Chang and trend in storage industry

數位資料儲存需求

不斷增加

現在

直接連接主機儲存

(DAS)

同質封閉式的儲存架構

自有獨立式的資料儲存

低密度容量儲存

高延遲傳送

單磁碟實體管理

在地儲存備援

企業內部維護管理

未來需求

企業IT預算

不斷減少

網路化儲存

(FAS)

異質開放式儲存架構

跨平台分享式儲存

高密度大容量儲存

低延遲傳送

虛擬磁碟管理

遠端異地備援

儲存整合服務

(

外包

)

高可用度

(

災難回復

)

硬體

軟體

分散網路化整合

實體

虛擬

Market: Medium and large sized

enterprise

Market: medium and small sized enterprise /work station

Major technological revolutions

Before understanding storage industry trend, we should understand first what major

technologies and their indexing meanings to the later storage industry trend.

Announcement Technology

revolution

Effect

2000 iSCSI protocol

technology

It is the major catalyst which speed up the

application of SAN in medium and small sized

enterprise.

2001 Serial ATA protocol

technology

Solve the ATA hard disc transmission bottleneck

and step into Gb high transmission hard disc I/O

protocol and enterprise user storage market

2002 Bluefin technology Uniform storage software standard

2003 PCI Express

technology

Solve the current PCI bottleneck and step into

Gb high transmission bus I/O protocol

The impact brought about by SATA and iSCSI: Low price trend of

Fabric-Attached Storage

In 2000, the new transmission protocol —SATA and iSCSI has changed the trend in

storage industry, there are three major effects, the first is the combination of network

and storage technology, the two major technology combinations in iSCSI has made

medium and small sized enterprise be able to use Fabric-Attached Storage product

of SAN with low cost. The second one is that SATA becomes a hard disc storage

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