[精講8] windows server 2012 Cluster功能

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 1-Cluster概念

群集—就是通過一組電腦提供某一個服務

特點1: 在windows server 中,只有enterprise和datacenter 版本可以提供cluster,在 2003中,最多支援8個節點,在2008 / 2008 R2 /2012中最多支援16個節點

特點2:cluster實現必須需要AD架構

特點3:至少三塊網卡 ,SAN,Public,Private

特點4:cluster在實現的時候有2種模式 A/P (active passive)和A/A模式

特點5cluster:一般不提供負責均衡

適用情境: 後段儲存伺服器, 比如: sql ,exchange maibox , Hyper-V

類比IP SAN, 以前windows 2012 以前的版本，我們都在windows 2003用ISCSI Target 這個工具 可以用 本地磁碟（可以是RAID）類比IP SAN（連接埠：3260）. 儲存cluster必須有２個分區，Q盤：用作仲裁，S盤用作儲存

<netsh firewall set opmode disable>

< compmgmt.msc >

2實驗

下面我們來做個基於檔案伺服器的 cluster

環境如下:

先配置好網卡ip地址,規劃好環境,

Dc8可以不用加入域 但是DC5/DC6 必須要加入域環境

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2.1 類比IP SAN (用DC8 )

參考 [精講10] windows server 2012 檔案總管新功能裡的ISCSI目標伺服器功能

配好後: 磁碟顯示未串連

技巧:在配置磁碟的時候,分配好Q(容量小)和S (容量大,用於儲存) disk

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我們在DC5/6上作ISCSI串連後

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Format disk on DC5/6

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結果如下:

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2.2 安裝叢集服務(用DC5 DC6 )

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DC5/6上都要操作

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群集的名稱,同時也會寫入DNS伺服器

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溝了這個框，會自動添加DC5這個節點

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察看下群集磁碟，2個磁碟分別作什麼用

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同時配置好網卡

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重新命名熟悉的名字

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配置仲裁磁碟（如果想更換的話）

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2.3添加叢集角色

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察看結果

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2.4添加共用資料夾

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3-測試

把DC6 主節點關機，就可以看到效果

等DC6 啟動回來，主節點還是DC5，是切不回DC6的.

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本文出自 “Erick WAY” 部落格，謝絕轉載！

[精講8] windows server 2012 Cluster功能