April 2013
Beginner to intermediate
368 pages
6h 45m
Chinese
Content preview from VMWARE錦囊妙計第二版
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儲存（Storage）
|
37
在 ESXi 內的儲存設備名稱格式包含三個至四個數字，並用冒號分隔，舉例來說，在圖
2-1 中，第一個磁碟區中的設備名稱是
vmhba38:C0:T0:L0
。這些數字代表以下含義：
HBA：
配接器
：
頻道
1：
目標
：LUN
第一個磁碟區的資料儲存 HBA 有一個設備 ID 為 38，第二個數字「0」是儲存頻道編
號，第三個數字表示 LUN 的目標為 0，以及 LUN 編號為 0。
第三個目標編號的數值會隨著添加到 HBA 的磁碟區而增加。應該要注意的是，如果跨
多個 ESXi 伺服器共享相同的目標，這個數值可能會有差異。
第一個與第三個數值可能會因為下列原因而改變（如果它們被改變了，它們仍然會參考
至同一個最初連結的實體設備）：
• 如果光纖通道或 iSCSI 網路發生中斷，則屬於 HBA 的第一個數值可能改變。在這種
情況下，ESXi 將分配另一個不同的編號以存取儲存設備。如果介面卡被移動到伺服
器的另一個 PCI 插槽，第一個數值也可能會改變。
• 如果 ESXi 伺服器可視範圍內的光纖通道或是 iSCSI 目標的映射有了任何修改，則第
三個數值可能會改變。
2.4 為 iSCSI 軟體啟動器建立網路
問題
您想建立一個獨立的 iSCSI 網路，以將伺服器與儲存設備傳輸的流量劃分出來。
解決方案
使用 vCenter 建立一個網路與 VMkernel 連接埠在 iSCSI 設備上以進行通訊，因為我們
使用軟體 iSCSI，我們將建立一個 vSwitch 分配給
vmnic1
。
討論 ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.