I'm not sure why people think that RHEL6 kernel is pure 2.6.32. It is definitely not!

I completely agree, Kir.  RHEL 6's 2.6.32 branch is also an attractive target because of the security and feature support coming from Red Hat for a long period of time.

I look back two years ago and there was a plethora of kernels being actively developed (at one point it was 2.6.26, 2.6.27, 2.6.32 vanilla, 2.6.32-el6 testing, 2.6.18-el5, 2.6.18-el5 testing, etc) and look at what's happening now and it's night and day. 

Namely I can see the quality of work done by the OpenVZ dev team really shining when they've stopped working on so many branches.  I think that was really hurting the project.  Now we have awesome stuff like Ploop and vSwap coming out too.  It's an exciting time for OpenVZ.

With regard to David Brown, I haven't been a Debian user for nearly 5 years but I do recall other people compiling the openvz el6 branch in Debian without much trouble.  It becomes harder to support I'd imagine as you would have to compile each release by hand unless you made your own deb package but I've certainly heard of it being possible.  I just checked the OpenVZ wiki and came across this as well:  http://wiki.openvz.org/Install_kernel_from_RPM_on_Debian_6.0

John Knight
Classic City Telco LLC
Email: [email protected] | Main: (706) 995-0200
Direct: (706) 995-0201


On 3/29/2012 5:04 AM, Kir Kolyshkin wrote:
On 03/28/2012 11:49 AM, David Brown wrote:

I /really/ wish the openvz developers would move beyond kernel 2.6.32 -
kernal 2.6.33 introduced snapshot merging to LVM which would play
wonderfully with this setup.

I'm not sure why people think that RHEL6 kernel is pure 2.6.32. It is definitely not!

For snapshot merging, I am not an expert here but googling for 'rhel6 lvm snapshot merging'
gave me this:

 http://www.linuxtopia.org/online_books/rhel6/rhel_6_lvm_admin/rhel_6_lvm_snapshot_merge.html

and this:

 https://access.redhat.com/knowledge/solutions/58510

Both articles suggest RHEL6 kernel supports LVM snapshot merging, and so should
OpenVZ RHEL6-based kernel.

PS If you are using non-rhel6 openvz kernel, it's definitely time to switch, and lots of reasons
to do that besides LVM snapshot merging. Notable things are vswap, ploop, stability...

Kir.
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