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Kernel 2.6.31.6-162.fc12 vzgot working rh7.3 ---> fc12 [message #38570]

Mon, 04 January 2010 02:51

Jean-Marc Pigeon
Messages: 27
Registered: October 2007

Junior Member

Hi guys,

Just to tell you, my little 'vzgot' experiment reached a working stage.

I was able to run a wide range of distribution rh7.3, rh8.0, rh9, fc2 ->fc12 and Centos-4.[6,7,8], Centos-5.[2,3,4], rhel-4 on a recent unmodified kernel (2.6.31.6-162.fc12).

I was able to rpmbuild clamav on those 33 distributions, so I am confident enough about reliability (charge reached 70.0 the hardware host (a Dell-2800)).

VE network is working fine (VE yum usage is fully working).
Next step is to work on ressources contention (cgroup).

You can access the RPM
ftp://ftp.safe.ca/pub/linux/vzgot/
Theoretically RPM is comprehensive enough to allow you to duplicate result.

Please give me feedback.

(happy new year! for those of us being on the same time frame)

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Re: Kernel 2.6.31.6-162.fc12 vzgot working rh7.3 ---> fc12 [message #38580 is a reply to message #38570]

Mon, 04 January 2010 21:31

Ales
Messages: 330
Registered: May 2009

Senior Member

Looks excellent. Great work!

Will test and report back.

Happy new year!

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Re: Kernel 2.6.31.6-162.fc12 vzgot working rh7.3 ---> fc12 [message #38626 is a reply to message #38570]

Fri, 08 January 2010 11:25

nuno
Messages: 43
Registered: January 2010

Member

Looks nice. Congrats! If I get the time to setup something I'll let you know.

Regards,

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Re: Kernel 2.6.31.6-162.fc12 vzgot working rh7.3 ---> fc12 [message #38658 is a reply to message #38626]

Tue, 12 January 2010 18:24

Jean-Marc Pigeon
Messages: 27
Registered: October 2007

Junior Member

Cgroup and LVM are now part of the package.
Unbuntu 9.04 and 8.04 (Debian template) are now
available as VZ.
A QUICK-START file, give the 5 easy step to
install Template.

Keep me posted.

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Re: Kernel 2.6.31.6-162.fc12 vzgot working rh7.3 ---> fc12 [message #38750 is a reply to message #38570]

Sun, 24 January 2010 13:37

mperkel
Messages: 253
Registered: December 2006

Senior Member

Excuse my ignorance but I don't understand what this thread is about and I and curious about it. Is there an OpenVZ with a 2.6.31 kernel?

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Re: Kernel 2.6.31.6-162.fc12 vzgot working rh7.3 ---> fc12 [message #38753 is a reply to message #38750]

Sun, 24 January 2010 14:52

Jean-Marc Pigeon
Messages: 27
Registered: October 2007

Junior Member

Concerns expressed in another forum thread was about openvz kernel
patch not ported to recent kernel.
Purpose of my post was to show lastest kernel
(at least 2.6.31) allow to have VZ capability WITHOUT need to patch kernel.
(my goal was to be able to run many linux distribution,
oldest being rh7.3 as VZ on that kernel).

In fact there is still a small problem with /proc/kmsg
which is not (yet) virtualized, meaning container(VZ)
syslogd deamon read the SAME /proc/kmsg as the HOST /proc/msg.
(which cause trouble on reading kernel messages).

Linux container developer are aware about this and have
scheduled to modify kernel printk.c to resolve the issue.

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Re: Kernel 2.6.31.6-162.fc12 vzgot working rh7.3 ---> fc12 [message #38754 is a reply to message #38570]

Sun, 24 January 2010 15:13

mperkel
Messages: 253
Registered: December 2006

Senior Member

I was wondering at what point OpenVS would no longer need a special kernel. At what point will the standard kernel support OpenVZ?

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Re: Kernel 2.6.31.6-162.fc12 vzgot working rh7.3 ---> fc12 [message #38755 is a reply to message #38754]

Sun, 24 January 2010 15:27

Jean-Marc Pigeon
Messages: 27
Registered: October 2007

Junior Member

Depends what are your needs.
What we have implemented is already fulfilling our purpose
(compiling same product under different Linux distribution)
with container (VZ compatible) under kernel 2.6.31,
but I won't use them yet in an hostile environment.

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Re: Kernel 2.6.31.6-162.fc12 vzgot working rh7.3 ---> fc12 [message #38756 is a reply to message #38570]

Sun, 24 January 2010 15:41

mperkel
Messages: 253
Registered: December 2006

Senior Member

I suppose what I want to do is install the standard kernel rather than the OpenVZ kernel and have OpenVZ just run. Is that something that's coming?

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Re: Kernel 2.6.31.6-162.fc12 vzgot working rh7.3 ---> fc12 [message #38757 is a reply to message #38756]

Sun, 24 January 2010 16:10

Jean-Marc Pigeon
Messages: 27
Registered: October 2007

Junior Member

Yes,
Install a plain fc12 distribution (to get the latest kernel),
grab vzgot and play with it.
(the whole purpose to have vzgot avail is to allow people to use it and give feedback).
You have 3 templates (centos,fedora,ubuntu) and a QUICK-START file.
Have fun and keep me posted.

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Re: Kernel 2.6.31.6-162.fc12 vzgot working rh7.3 ---> fc12 [message #38758 is a reply to message #38570]

Sun, 24 January 2010 16:27

mperkel
Messages: 253
Registered: December 2006

Senior Member

I'm confused about what vzgot has to do with OpenVZ? What I'm talking about is when I can run a stock kernel to rum OpenVZ rather than an OpenVZ kernel.

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Re: Kernel 2.6.31.6-162.fc12 vzgot working rh7.3 ---> fc12 [message #38759 is a reply to message #38758]

Sun, 24 January 2010 17:48

Jean-Marc Pigeon
Messages: 27
Registered: October 2007

Junior Member

Vzgot use the same template as the one used in openvz (compatible)
creating the VZ is different, because kernel
implementation is not the same.
(ex: cgroup is used to do resource limitation)
You can use LXC (already referred in this list), which too
work on recent kernel.

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