XenServer 与 VMware 基础架构
有谁有比较 Xen Server 5 和 VMWare Infrastructure 3 的经验吗？我正在计划一个虚拟化项目，并正在研究两者的企业版。 它们似乎都提供非常相似的功能，因此我不确定哪个是最佳选择。
有人知道比较这些产品的好网站或文章吗？
或者任何人都可以回答以下任何问题：
1）是否存在显着的性能差异？
2) 这两个软件包是否存在任何安全风险或漏洞。
3）Xen Server SDK似乎比VMware SDK更容易理解。 有谁有这两种经验并且可以比较一下吗？ 这两个 SDK 是否有任何方面的缺陷？
4）对客户端工具有什么意见吗？ 对我来说，它们看起来相当相似，但是两者都缺少什么吗？
或者任何其他一般性评论和观察将不胜感激。
谢谢，
杰米
Does anyone have experience of comparing Xen Server 5 and VMWare Infrastructure 3. I'm planning a virtualization project and looking at the Enterprise edition of both. They both seem to offer very comparable functionality so am unsure which is the best option.
Does anyone know any good sites or articles that compares these products?
Alternatively can anyone answer any of the following questions:
1) Is there any significant performance differences?
2) Does either package have any security risks or vulnerabilities.
3) The Xen Server SDK seems easier to understand than VMware SDK. Anyone have any experience of both and can compare? Is either SDK lacking in any respect?
4) Any comments on the client side tools? To me they both seem pretty equivalent, but is there anything lacking from either one?
Or any other general comments and observations would be appreciated.
Thanks,
Jamie
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1）是否存在显着的性能差异？
XenServer 是本机 64 位并使用半虚拟化，因此速度更快。 如果您认为在 XenApp os TS 工作负载中，您将能够在每台服务器上多放置大约 50% 的用户
2) 任一软件包是否存在任何安全风险或漏洞。
XS 没有已知的安全问题，而且由于它的虚拟机管理程序更小且没有遗留代码，XS 4.0 在一年内仅进行了 4 次更新或修复，而 VMware 每周进行一次。
3）Xen Server SDK似乎比VMware SDK更容易理解。 有谁有这两种经验并且可以比较一下吗？ 这两个 SDK 是否有任何方面的缺陷？
没有使用 SDK，但据我所知，它使用简单，比 VMWare 更开放，此外还有强大的 CLI 和 PowerShell。
4）对客户端工具有什么意见吗？ 对我来说，它们看起来相当相似，但是其中任何一个都缺少什么吗？
XenServer 更简单，不需要管理服务器
......而且......它更便宜
1) Is there any significant performance differences?
XenServer is native 64 bit and uses paravirtualization, so its faster. If you think in XenApp os TS workloads, you will be able to put about 50% more users per server
2) Does either package have any security risks or vulnerabilities.
XS has no know security issues, and as it´s hypervisor is smaller qith no legacy code, XS 4.0 had only 4 updates or fixes in one year, while VMware had one per week.
3) The Xen Server SDK seems easier to understand than VMware SDK. Anyone have any experience of both and can compare? Is either SDK lacking in any respect?
Not used SDK, but AFAIK it´s simple to use and more open than VMWare, besides that you have an powerful CLI and PowerShell.
4) Any comments on the client side tools? To me they both seem pretty equivalent, but is there anything lacking from either one?
XenServer is simpler and has no need of an Management Server
... And... its cheaper
最近在这方面做了很多工作。
XenServer 速度更快，因为它采用虚拟化技术，而且它具有更轻量级的虚拟机管理程序。 此外，如果您更喜欢 Xen 虚拟机管理程序的某些功能，则可以更换 Xen 虚拟机管理程序并使用 Hyper-V，同时仍利用 XenCenter 功能。
XenCenter 5 的补丁很少，VI 的补丁较多。
查看了这两个 SDK。 VMWare 有很好的文档，但从代码的角度来看非常不透明。 根据您的客户端语言，它可能不会得到很好的支持。 我们使用的是.NET，这让我们很痛苦。 Xen SDK 简单得多。
XenCenter 是一个非常好的客户端，可以满足您所需的一切。 有些东西比如泳池管理等很棒。 也非常喜欢存储集成。 VMWare 客户端也很好，所以在这 2 个客户端之间没有太多选择。
您要创建一个主机池吗？ 如果您想要单一服务器解决方案，您可以使用免费的 XenServer Express - 稍后可以通过许可证密钥进行升级。 而且 Xen 比 VMWare 便宜很多。
Done quite a bit on this recently.
XenServer is faster due to it's virtualization techniques and the fact it has a lighter weight hypervisor. In addition you can swap out the Xen hypervisor and use Hyper-V should you prefer some features of that, whist still leveraging XenCenter features.
Very few patches to XenCenter 5, lots to VI.
Looked at both SDKs. VMWare had good documentation but was very opaque from a code point of view. Depending on your client language, it may not be too well supported. We were using .NET and was a pain in the butt. Xen SDK was a massive amount easier.
XenCenter is a very nice client, does everything you need. Some stuff such as pool management etc is great. Also really like the storage integration. The VMWare client was fine too though so nothing much to choose between the 2.
Are you going to create a host pool? If you're going for a single server solution you could maybe use XenServer Express which is free - is is upgradeable later via license key. Also Xen is a lot cheaper than VMWare.
我们在 Xen Server（23HW 机器）虚拟机管理器上为 3500 个用户运行 XenApp（170VM）环境大约 3 年。
当您尝试比较价格时，WMware 上的价格如何——别无选择——Citrix 的价格要好得多。
操作XS非常容易，对于Win 2003 XenAps来说性能很好，对于Win 2008来说性能很好。
我们运行了一些 (12) no-XenApp Win2003 和 Win2008 服务器，并且没有性能问题。
Xen Server 对我们的优势：
轻松实施其他 Citrix 技术，例如：
工作流工作室 - 规划和自动化您的基础设施。
Xen 服务器对我们来说的缺点：
WMware 在单一 Windows 计算机上可能具有更好的性能，但对于 XenApp 服务器则不然......
因此，如果您正在寻找没有 XenApp 或 XenDesktop 的简单云基础设施，那么 WMware 更适合您。
此致
在。
We run XenApp(170VM) enviroment for 3500 users on Xen Server(23HW machines) hypervizor about 3 years.
When you try to compare price, how does it look on WMware - no choice- Citrix price is much bether.
Manipulating XS is very easy, performance is for Win 2003 XenAps good, for Win 2008 great.
Ve run too some (12) no-XenApp Win2003 and Win2008 servers and there are no performance problems.
Xen Server ADVANTAGE for us:
easy implemantation of other citrix technologies like:
Workflow studio - planing and automatization your infrastructure.
Xen Server DISADVANTAGE for us:
WMware has maybe bether performance on single windows machines, but not for XenApp servers...
So if you looking for not easy-cloud infrastructure without XenApp or XenDesktop, WMware is bether for you.
Best Regards
On.
XenServer 现已免费，这对我们来说是一个大卖点:-) XenServer v5.5 是一个很好的产品，我们正在更换 ESX Server - 首先作为 XenApp 终端的主机服务器。 XenServer 针对运行这些进行了优化。
Citrix 的产品现在使 VMware ESX Server 显得定价过高。
XenServer is now free which is a big selling point for us :-) XenServer v5.5 is a good product and we're in the process of replacing ESX Server - first as the host for our XenApp terminal servers. XenServer is optimised for running these.
Citrix's offering now makes VMware ESX Server seem overpriced.
根据两者用户端的个人经验，我认为如果您打算只使用 Linux，Xen 是一个不错的选择。
如果您想要混合环境，我会选择 VMware，因为我发现它们对非 Linux 平台的支持更好。
From personal experience on the user end of both, I'd say that Xen is a good choice if you're planning to stay Linux-only.
If you want a mixed environment, I'd go with VMware as I've found their support of non-Linux platforms better.