I heard talk of a centos-supported xen dom0 for CentOS 6.4, but I haven't heard talk of such a thing lately, and I haven't seen where to download it, which could just be me being stupid.
We're using the Xen kernel + tools from here on a couple dozen servers, working very nicely:
https://www.crc.id.au/xen-on-rhel6-scientific-linux-6-centos-6-howto/
HTH, Chris
On 26 May 13, at 22:41, Luke S. Crawford lsc@prgmr.com wrote:
I heard talk of a centos-supported xen dom0 for CentOS 6.4, but I haven't heard talk of such a thing lately, and I haven't seen where to download it, which could just be me being stupid.
-- Chris Wik Anu Internet Services Ltd www.cwik.ch | www.anu.net
What are the advantages / disadvantes of Xen / KVM?
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On Sun, 26 May 2013, Chris Wik wrote:
Date: Sun, 26 May 2013 22:58:22 +0200 From: Chris Wik chris@anu.net Reply-To: Discussion about the virtualization on CentOS
To: Discussion about the virtualization on CentOS centos-virt@centos.org Subject: Re: [CentOS-virt] Xen on CentOS 6.4
We're using the Xen kernel + tools from here on a couple dozen servers, working very nicely:
https://www.crc.id.au/xen-on-rhel6-scientific-linux-6-centos-6-howto/
HTH, Chris
On 26 May 13, at 22:41, Luke S. Crawford lsc@prgmr.com wrote:
I heard talk of a centos-supported xen dom0 for CentOS 6.4, but I haven't heard talk of such a thing lately, and I haven't seen where to download it, which could just be me being stupid.
-- Chris Wik Anu Internet Services Ltd www.cwik.ch | www.anu.net
CentOS-virt mailing list CentOS-virt@centos.org http://lists.centos.org/mailman/listinfo/centos-virt
Prior to CentOS 6.0 I used Xen, switched to KVM with 6.0 because it was what was supported. I thought I'd take a performance hit but for my applications (web, mail, ftp, dns, shell servers), I didn't see any noticable difference other than KVM was a lot easier.
But the fact that people are still working on getting Xen running in CentOS 6.4 tells me there must be something it does better.
One area I really would like to see working is the qemu emulation of other architectures so I could run some legacy apps on modern maintainable hardware.
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On Sun, 26 May 2013, compdoc wrote:
Date: Sun, 26 May 2013 15:43:44 -0600 From: compdoc compdoc@hotrodpc.com To: 'Discussion about the virtualization on CentOS' centos-virt@centos.org Subject: Re: [CentOS-virt] Xen on CentOS 6.4
What are the advantages / disadvantes of Xen / KVM?
Can't say which is better, but KVM works very nicely. I use it to run several Linux and Windows virtual machines that act as servers, but which are not graphic intensive. (just basic desktop use)
On Mon, May 27, 2013 at 01:26:41AM +0300, Manuel Wolfshant wrote:
On 05/27/2013 12:10 AM, Robert Dinse wrote:
What are the advantages / disadvantes of Xen / KVM?I for one have several machines where I cannot use KVM because the processors do not have support for hardware virtualization. Hence using xen there.
This is a very obvious difference: KVM requires hardware support, Xen won't (although you may have limitations on what you can run, for example no Windows).
From what I have seen (I work for Eucalyptus) depending on your workload
you may see different performance: we have seen it going either way, so it's really a matter of testing on your hardware and benchmark.
From the Image itself, with a bit of care, you can create images that
works nicely on either hypervisor.
cheers graziano
CentOS-virt mailing list CentOS-virt@centos.org http://lists.centos.org/mailman/listinfo/centos-virt
On Sun, May 26, 2013 at 10:58:22PM +0200, Chris Wik wrote:
We're using the Xen kernel + tools from here on a couple dozen servers, working very nicely:
https://www.crc.id.au/xen-on-rhel6-scientific-linux-6-centos-6-howto/
Please don't top-post to public mailing lists.
Disabling selinux as a required step? I cry absolute BS on this, yet again. If people can't figure out how to use selinux they have no right pushing Xen packages to the masses.
John
On 26 May 13, at 23:15, John R. Dennison jrd@gerdesas.com wrote:
On Sun, May 26, 2013 at 10:58:22PM +0200, Chris Wik wrote:
We're using the Xen kernel + tools from here on a couple dozen servers, working very nicely:
https://www.crc.id.au/xen-on-rhel6-scientific-linux-6-centos-6-howto/
Please don't top-post to public mailing lists.
Disabling selinux as a required step? I cry absolute BS on this, yet again. If people can't figure out how to use selinux they have no right pushing Xen packages to the masses.
Feel free to contribute! From that site: "If there is anyone out there who wants to wade through what should be set for selinux to be enabled and still have Xen working, please email me!"
He's not forcing anyone to use his packages, simply sharing the work he has done, which I for one appreciate. Somewhat more constructive than your instructions on how to post to mailing lists.
-- Chris Wik Anu Internet Services Ltd www.cwik.ch | www.anu.net
On Sun, May 26, 2013 at 11:27:06PM +0200, Chris Wik wrote:
Feel free to contribute! From that site: "If there is anyone out there who wants to wade through what should be set for selinux to be enabled and still have Xen working, please email me!"
He's competent enough to build packages he should be competent enough to know how to manipulate selinux :) This "disable selinux" crap I continue to see everywhere is really just depressing. There are ample tools and guidelines on how to properly manage the selinux sub-system, heck, most of it is just cut-and-paste for the majority of users these days.
Granted, this may be a corner case issue considering it's a non-stock kernel, thus taking a bit more effort, but there is no technical reason why it would not be possible to run Xen on an selinux-enabled platform; one can use the el5 policies as a start if necessary, changing required bits here and there until it's functioning properly on el6.
He's not forcing anyone to use his packages, simply sharing the work he has done, which I for one appreciate. Somewhat more constructive than your instructions on how to post to mailing lists.
You're right, he's not. Which is why I posted the url to the official CentOS packages.
Additionally, Chris, I didn't 'instruct' you to do anything, I asked, nicely, not to top-post. Item 2 under CentOS mailing list quidelines:
http://www.centos.org/modules/tinycontent/index.php?id=16
You are of course free to do what you want, but there are guidelines for a reason.
John
On Sun, May 26, 2013 at 01:41:27PM -0700, Luke S. Crawford wrote:
I heard talk of a centos-supported xen dom0 for CentOS 6.4, but I haven't heard talk of such a thing lately, and I haven't seen where to download it, which could just be me being stupid.
http://dev.centos.org/centos/6/xen-c6
Still in development and testing but it has a lot of momentum behind it.
John
On 05/26/2013 02:12 PM, John R. Dennison wrote:
http://dev.centos.org/centos/6/xen-c6
Still in development and testing but it has a lot of momentum behind it.
I saw packages for libvirt but not xcp-xapi. Do you know if there are any plans to support xapi?
On May 26, 2013 6:52 PM, "Sarah Newman" srn@prgmr.com wrote:
On 05/26/2013 02:12 PM, John R. Dennison wrote:
http://dev.centos.org/centos/6/xen-c6
Still in development and testing but it has a lot of momentum behind it.
I saw packages for libvirt but not xcp-xapi. Do you know if there are
any plans to support xapi?
CentOS-virt mailing list CentOS-virt@centos.org http://lists.centos.org/mailman/listinfo/centos-virt
The lines between Xen and KVM may become less clear in the future as the Linux Foundation has taken up Xen [1].
As for Xen vs KVM now, I like the higher level tools built to use KVM, such as oVirt/RHEV as well as the integration of KVM management via Libvirt with tools like Foreman. I've run some IO intense programs using KVM without issue and am able to use all stock EL packages to do so.
- Trey
[1] - http://www.linuxfoundation.org/news-media/blogs/browse/2013/04/welcome-xen-l...
On 05/26/2013 05:33 PM, Trey Dockendorf wrote:
On May 26, 2013 6:52 PM, "Sarah Newman" <srn@prgmr.com mailto:srn@prgmr.com> wrote:
On 05/26/2013 02:12 PM, John R. Dennison wrote:
http://dev.centos.org/centos/6/xen-c6
Still in development and testing but it has a lot of momentum behind it.
I saw packages for libvirt but not xcp-xapi. Do you know if there are any plans to support xapi?
The lines between Xen and KVM may become less clear in the future as the Linux Foundation has taken up Xen [1].
As for Xen vs KVM now, I like the higher level tools built to use KVM, such as oVirt/RHEV as well as the integration of KVM management via Libvirt with tools like Foreman. I've run some IO intense programs using KVM without issue and am able to use all stock EL packages to do so.
It's true that libvirt also supports KVM. My question is about plans for the xcp-xapi toolstack, see http://wiki.xen.org/wiki/Choice_of_Toolstacks
In some higher-level tools libvirt is used for kvm only, for xen they only support xcp-xapi.
Regards, Sarah
Hi,
On 05/27/2013 05:37 AM, Sarah Newman wrote:
I saw packages for libvirt but not xcp-xapi. Do you know if there are any plans to support xapi?
http://wiki.xen.org/wiki/XCP_On_CentOS_6 Give the status of xapi - and John's been working on https://github.com/johngarbutt/xcp-devinstall
We have a weekly syncup on irc - skipping this week, back next week - please come along and join the fun. There is plenty of threads still needing attention.
- Kb
On 05/27/2013 12:52 AM, Sarah Newman wrote:
On 05/26/2013 02:12 PM, John R. Dennison wrote:
http://dev.centos.org/centos/6/xen-c6
Still in development and testing but it has a lot of momentum behind it.
I saw packages for libvirt but not xcp-xapi. Do you know if there are any plans to support xapi?
We are working on xapi as well. But that looks to be targetting a June/early July release. The Xen stack itself is pretty much in the final rounds of release testing.
On 26.05.2013 21:41, Luke S. Crawford wrote:
I heard talk of a centos-supported xen dom0 for CentOS 6.4, but I haven't heard talk of such a thing lately, and I haven't seen where to download it, which could just be me being stupid.
http://dev.centos.org/centos/6/xen-c6/
On 05/26/2013 04:19 PM, Nux! wrote:
On 26.05.2013 21:41, Luke S. Crawford wrote:
I heard talk of a centos-supported xen dom0 for CentOS 6.4, but I haven't heard talk of such a thing lately, and I haven't seen where to download it, which could just be me being stupid.
Just to take this one step further, we have now released Xen4CentOS:
http://lists.centos.org/pipermail/centos-announce/2013-June/019800.html
On 6/21/2013 8:24 AM, Johnny Hughes wrote:
On 05/26/2013 04:19 PM, Nux! wrote:
On 26.05.2013 21:41, Luke S. Crawford wrote:
I heard talk of a centos-supported xen dom0 for CentOS 6.4, but I haven't heard talk of such a thing lately, and I haven't seen where to download it, which could just be me being stupid.
Just to take this one step further, we have now released Xen4CentOS:
http://lists.centos.org/pipermail/centos-announce/2013-June/019800.html
Excellent. Congratulations and thank you for your hard work.
CentOS-virt mailing list CentOS-virt@centos.org http://lists.centos.org/mailman/listinfo/centos-virt
-
Ben M. -
Chris Wik -
compdoc -
graziano obertelli -
John R. Dennison -
Johnny Hughes -
Karanbir Singh -
Luke S. Crawford -
Manuel Wolfshant -
Nux! -
Robert Dinse -
Sarah Newman -
Trey Dockendorf