2017 年 10 月更新：^{(Update Oct 2017:)} Citrix 不再提供 XenConvert 工具作为下载并且不再支持它。您现在将物理机转换为 XenServer 的唯一选择是首先将其转换为 VHD 格式（使用Disk2VHD 之^(Disk2VHD)类的工具），然后将其导入。如果您想将 VMware 虚拟机转换为 XenServer，那么您可以尝试使用XenServer Conversion Manager功能。 ^{(Citrix no longer provides the XenConvert tool as a download and doesn’t support it anymore. Your only options now to convert a physical machine to XenServer is to first get it into VHD format (using a tool like Disk2VHD) and then import it in. If you are wanting to convert a VMware virtual machine to XenServer, then you can try to use the XenServer Conversion Manager feature. )}

Citrix Xen Server是免费的企业级服务器虚拟化解决方案，是VMware ESXi的直接竞争对手。两者都是免费的，实际上很难说哪个更好。

有些人对VMware发誓，因为他们在虚拟化技术方面拥有较长的经验，而另一些人则认为Citrix拥有更好的产品。我不太确定，但在这篇文章中，我将讨论VMware产品非常出色的一项功能：将物理服务器转换为虚拟服务器。

使用VMware^(VMware)虚拟化物理服务器几乎是世界上最简单的事情，但使用Citrix Xen涉及更多。实际上，这并不是一个困难的过程，只是由于某种奇怪的原因，它并不像VMware^(VMware)的工具那么容易找到。

注意：在使用 Xen 时，有两种工具可用于物理到虚拟转换 (P2V)，Linux 到 Xen 或 Windows 到 Xen。^{(Note: There are two tools for physical to virtual conversion (P2V) when working with Xen, either Linux to Xen or Windows to Xen.)}

将 Windows Server 移动^{(Move Windows Server)}到 XenServer主机^(Host)

要导入Windows机器，您将需要XenConvert工具，它有 32 位和 64 位两种版本。您可以使用此工具执行以下类型的转换：

Convert a single VHD or an entire virtual machine to a XVA or XenServer (VHD to XVA)

那么您在哪里可以找到XenConvert工具？嗯，它并不完全是在人类已知的最显眼的地方。要下载它，您必须登录MyCitrix，然后单击下载^(Downloads)，最后单击 XenServer 5。

当您单击 XenServer 5 时，您将在“有用的资源^{(Helpful Resources)}”部分看到一个指向 XenConvert 32 位和 64 位的链接。有点^(Kind)痛苦，不知道为什么他们在主站点上没有它，因为它是免费下载的！

将 Linux 服务器移动到 XenServer 主机

为了将Linux服务器 P2V 到 XenServer 主机，您需要重新启动要转换的计算机并从XenServer 安装 CD^{(XenServer Installation CD)}启动。

当您看到Welcome to XenServer 屏幕时，选择 OK，安装程序将进行一些硬件检测等。之后，您将获得四个选项，其中之一是

Convert an existing OS on this machine to a VM (P2V)

就是这样！按照其余提示操作，服务器将被虚拟化。完成后，您需要附加一个VIF才能获得外部网络连接。

如果您在将Windows或Linux服务器转换为XenServer时遇到问题，请发表评论，我会尽力提供帮助！享受！

How to Convert a Physical Server to a Citrix Xen Virtual Server (P2V)

Update Oct 2017: Citrix no longer provides the XenConvert tool as a download and doesn’t support it anymore. Your only options now to convert a physical machine to XenServer is to first get it into VHD format (using a tool like Disk2VHD) and then import it in. If you are wanting to convert a VMware virtual machine to XenServer, then you can try to use the XenServer Conversion Manager feature. 

The Citrix Xen Server is a free enterprise-class server virtualization solution that is a direct competitor to VMware ESXi. Both are free and it’s actually quite hard to tell which one is better.

Some people swear by VMware because of longer experience with virtualization technology while others say that Citrix has a better product. I’m not really sure, but in this post I’m going to talk about one feature that the VMware product does very well: converting a physical server into virtual server.

It’s pretty much the easiest thing in the world to virtualize a physical server using VMware, but a bit more involved using Citrix Xen. Actually, it’s not a difficult process, it’s just not as easy to find for some strange reason, than the tool for VMware.

Note: There are two tools for physical to virtual conversion (P2V) when working with Xen, either Linux to Xen or Windows to Xen.

Move Windows Server to XenServer Host

To import a Windows machine, you will need the XenConvert tool, which comes in 32-bit and 64-bit flavors. You can use this tool to perform the following type of conversion:

Convert a single VHD or an entire virtual machine to a XVA or XenServer (VHD to XVA)

So where do you find the XenConvert tool? Well, it’s not exactly in the most conspicuous place known to man. In order to download it, you have to log into MyCitrix and then click on Downloads and finally click on XenServer 5.

When you click on XenServer 5, you will see a link in the Helpful Resources section to XenConvert for 32-bit and 64-bit. Kind of a pain and not really sure why they don’t have it on the main site since it’s a free download!

Move Linux Server to XenServer Host

In order to P2V a Linux server to a XenServer host, you need to reboot the machine you want to convert and boot from the XenServer Installation CD.

When you see the Welcome to XenServer screen, select OK and the installer will do some hardware detection, etc. After that, you will get four choices, one of them being

Convert an existing OS on this machine to a VM (P2V)

And that’s it! Follow the rest of the prompts and the server will be virtualized. After it is complete, you will need to attach a VIF in order to have external network connectivity.

If you are having issues converting either a Windows or Linux server to XenServer, post a comment and I’ll try to help out! Enjoy!

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