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博客林节点Linodes在Xen

林节点在Xen

这是官方的 -Xen 现在已经在Linode上线。 这是一条漫长的道路,事实上,几乎四年了,但是,在我们社区的帮助下,最近的测试计划终于证明Xen ,准备好了行动。

Xen 对你意味着什么?Xen 与UML相比,开销更少。 Xen Linodes有4个处理器。 他们支持内核模块。他们支持32和64位内核。我们正在运行最新的Xen 版本(3.2.1),这意味着我们可以支持paravirt_ops内核(pv_ops),这意味着我们可以拥有比2.6.18更新的内核(我们的很多竞争对手都强迫你使用)。 简而言之,Linodes在Xen 下将会快得多、多。

从现在开始,所有新的主机硬件将被部署在运行Xen 。 新账户应该登陆这些机器,但仍有可能新的 Linode 会登陆到一个 UML 主机上。如果发生这种情况,或者你已经在一个UML主机上,并想转移到另一个主机上,只要提交一个票据。然而,我们所有的机器都运行在Xen ,这只是一个时间问题 - 我们将在未来几周内宣布升级时间表。


评论 (29)

  1. Sean’s Mental Walkabout » Blog Archive » Upgrading my Linode to Xen

    […] (which was painless, but required about an hour of down time). It turns out that all of linode is now going to Xen. Based on very simple latecy tests, the box feels much snappier on serving up wiki […]

  2. Author Photo

    As someone who has been running in the test environment, let me just say it’s fantastic. Of course, the couple times I’ve needed Linode support, it’s been great as well. Thanks for all the hard work, guys!

  3. Author Photo

    Will my ip addresses change if/when I move from UML to Xen? What about the private backend ip; will that one change?

  4. Tom Asaro

    @Harmone Your IPs remain the same as long as you stay within the same data center.

  5. Author Photo

    This is great news. Looking forward to faster Linodes under Xen and the upgrade schedule. Thanks for all the hard work guys!

  6. Author Photo

    @tasaro:

    That sounds lovely. Thanks for everything!

  7. Tragically L33T » Linode: Great Virtualized Linux Moves to Xen
  8. Author Photo

    Will beta Xen users be migrated to the “production” deployments in the future?

  9. Tom Asaro

    Xen beta hosts will be at the top of the upgrade schedule (which is simply a reboot of the host).

  10. Author Photo

    tasaro:

    Weren’t different plan sizes mixes on the beta hosts (ie, host56)? If so, do any migrations need to be made?

  11. Author Photo

    What kernel should we use after we have migrated to a Xen host? There are a few named “dev ..”. Are they “beta” kernels?

  12. Christopher Aker

    @Harmone You should use “Latest 2.6” unless you have a good reason not to.

    @Jacob On the Xen beta boxes, we’ll eventually move the Linodes of different plans onto their respective host server types. If you want to move off sooner submit a ticket. You shouldn’t notice that much of a difference, since we’re using the cpu scheduling to prioritize the larger Linodes. Again, this is only for the participants of the beta test. New accounts are still segmented onto a host that matches their plan.

  13. Author Photo

    I moved my Linode from UML in Atlanta to a Xen node in Fremont this past week (after having physically relocated myself to the west coast). My new DNS records were propagated by the time all of my data was transferred (~5hrs).

    Big thumbs up to the folks at Linode for a very smooth transition!

  14. Author Photo

    So if I can run a 64-bit kernel, how would I upgrade my Debian system to 64-bit? Didn’t realise it was a 64-bit capable environment!

  15. Christopher Aker

    @Simon Rumble: I’m still hacking on 64 bit Xen guest kernels, but it shouldn’t be too much longer. But yes, our environment will support both.

  16. Sean’s Mental Walkabout » Blog Archive » links for 2008-03-29

    […] Linode Blog » Linodes in Xen linode fully converting to Xen for hosting. Nifty (tags: xen linode hosting) […]

  17. Author Photo

    It’s been mentioned elsewhere that custom kernels may be supported at some point.

    Is it possible that at some point native kernels would also be supported, where the host machine has hardware virtualization? This would be very cool in that it would allow standard installs of Linux distros, and would avoid some of the weirdness when Linode’s kernels aren’t quite the in sync with vendors’s kernels/modules/userspace tools.

  18. Author Photo
    Nathan A. Corbier

    I’ve been on Xen for two months, and understand why the beta is now concluded. I’ve only had one issue, a hard crash on Dallas52, and not only was it caught and recovered…

    But Linode’s staff quickly submitted enough data to get a patch from upstream.

  19. Author Photo

    Hi ,

    I want to move my Linode from UML to XEN. Is there any risk of data loss or corruption during this migration. How much down time should I expect? Is it possible to time the move during night times when website is less busy?

    I also want to keep the same IP address. If possible do not erase the linode on UML for one or two hours after migration so that I can copy and replace any corrupted files or data. It will also allow some time to test the application.

    I will submit a ticket for the same. But I hope replies to these queries here will help others as well.

    Webmaster,
    PressReleasePoint

  20. Tiny Dynasty » Archive » Migrating website from UML to XEN on Linode

    […]  https://www.linode.com/2008/03/28/linodes-in-xen/ […]

  21. Author Photo
    Team Simplebucket

    Wow.. We just migrate over to the new XEN hardware… it’s awesome.. huge improvement on performance.. thanks linode!

  22. Author Photo

    I migrated my linode today and must say “WOW”. Simply amazing, without any problem. I see huge improvement in performance. Thanks Linode so much!

  23. Author Photo

    How can I check whether I am on UML or Xen?

    Akshay

  24. Author Photo

    When I’m logged into the Dashboard I can see a Xen icon on the top banner when on a Xen profile, this doesn’t show when for a UML one.

  25. Author Photo

    is it possible to use host-in-a-box lxadmin in linode xen?

    tia.

  26. Sean’s Mental Walkabout » Blog Archive » Dague.net move

    […] couple things changed in the last year. Linode went from UML to Xen, which definitely makes each linode more powerful. My shared hosting company stopped being helpful. […]

  27. Author Photo

    Somebody has to ask…. does this mean we might be seeing FreeBSD?

  28. Author Photo

    hey tell me how to renew my linode account… Form deferent credit card

  29. Author Photo

    Where is the upgrade schedule?

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