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SAN Basic Training--part3 SAN Hardware [复制链接]

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发表于 2002-10-24 14:52 |只看该作者 |正序浏览
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SAN Basic Training--Part3 SAN Hardware
SAN Hardware Components

Hosts

Hosts are the reason that the SAN exists. The entire goal of a SAN is to provide storage to hosts. Some low end SANs only support Intel-based servers running Windows NT,Windows 2000, or NetWare.  Better SANs can support hosts running WindowsNT, Windows 2000, NetWare, Linux, AIX, HP-UX, Solaris, and IRIX.

Host Bus Adapters

A host bus adapter (HBA) connects a server system to an external Fibre Channel storage system or to a Fibre Channel switch. In order to get the host operating system to recognize the HBA, a HBA driver must be installed.


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SAN Basic Training--part3 SAN Hardware

Tape Library
Tape libraries can be deployed in a SAN environment to provide high-speed backup for multiple servers.

磁带库

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SAN Basic Training--part3 SAN Hardware

Disk Array Enclosures

Disk array enclosures (DAE) are JBOD devices that can be used to expand the storage capacity of a DPE.

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SAN Basic Training--part3 SAN Hardware

[这个贴子最后由偷渡大陆在 2002/10/25 10:25am 编辑]

呵呵,一般一般。继续介绍

Disk Processor Enclosures
A disk processor enclosure (DPE) is the base storage unit in a SAN. A DPE includesa storage processor that is responsible for host communication and implementing RAID functions. DAEs can add storage capacity by connecting to DPEs.

DPE是Storage的核心部分,这里重点说一下,DPE其实可以看作是一个微缩的计算机,有自己的CPU,内存和操作系统,加上Raid控制器,我们在存储设备上设置Raid,就是通过DPE上的Raid控制器完成的。DAE是用来扩充Storage容量的设备,本身一般都不具备Raid功能。

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SAN Basic Training--part3 SAN Hardware

嗯!很不错的贴子呀!!:)

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SAN Basic Training--part3 SAN Hardware

Gigabit Interface Connectors
Gigabit interface connectors (GBIC) are hot-swappable devices that provide switches with the flexibility of changing a ports connection type from optical to copper.

简称GBIC

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SAN Basic Training--part3 SAN Hardware

Switches, Hubs, and Directors
Switches, hubs, and directors are used to interconnect devices in a SAN fabric. Switches provide 100MB/s unblocked throughput on each port as opposed to hubs that provide 100MB/s shared bandwidth. Directors typically have the ability to connect Fibre Channel as well as other technologies such as ESCON.

光纤通道交换机

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SAN Basic Training--part3 SAN Hardware

To:老农,俺现在是做和存储相关的工作。打下手。

Extenders
Extenders such as an Optilinx 2000 can be used to increase the distances that a SAN canextend. In a SAN, extenders can be used to extend the distance between
two storage implementing remote a remote mirror to 60KM.

当互联的距离过远的时候用这个玩意儿

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SAN Basic Training--part3 SAN Hardware

Media Interface Adapters
A media interface adapter can be used to convert a copper connection into an optical connection.
不是太常用的东西

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SAN Basic Training--part3 SAN Hardware

Connectors
Copper cables can use either a DB-9 connector or a high-speed serial data connector
(HSSDC). Optical connections use SC connectors.
  

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