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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網路（Networking）
|
105
運作的配接器
（Active adapters）
這主要用來作為主要的網路連結，意即運作中的配接器。
待命的配接器
（Standby adapters）
這些在運作中的配接器故障前不會被使用，直到需要進行取代的時候。
未使用的配接器
（Unused adapters）
這些配接器在任何情況下都不會被使用。
3.10 在一個 VMkernel 上為 iSCSI 啟用巨型訊框
問題
您想透過在軟體 iSCSI 網路上使用巨型訊框（Jumbo Frames）以提高性能。
解決方案
使用實體 ESXi 伺服器上的控制台，您可以啟用巨型訊框的支援。
討論
巨型訊框增加了最大訊框長度，超過原始訊框達到 1,500 個位元組，從而在連結上減少
浪費並加快流量速度。啟用此功能之前，請先檢查您的硬體以確保是否有支援。
在 ESXi 5.0 中，以下有支援巨型訊框的作業系統，並且擁有增強型
vmxnet
驅動程式的
功能：
• Microsoft Windows 2003 伺服器 SP2
• Red Hat Enterprise Linux 5
• SuSE Enterprise Linux 10
欲啟用巨型訊框，您必須配置 VMkernel、vSwitch 及伺服器上每部虛擬機器。本訣竅與
後兩個訣竅涵蓋了這些任務。
在一個 VMkernel 連接埠上啟用巨型訊框的步驟如下：
1. 登入到 vCenter 並從庫存清單選擇 ESXi 主機。
2. 從右側窗格中選擇組態（Configuration
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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.