[Users] Re: lvm and openvz

[John Knight]

That makes perfect sense.  Running debian containers on the el6 kernel 
on a centos node before has shown me that there are no fundamental 
issues with the debian toolchain or command line binaries running on the 
el6-kernel-compiled-on-el6, but it makes sense that there would be a lot 
more possibilities of bugs compiling it on debian directly.

*John Knight*
Classic City Telco LLC
*Email:* john at classiccitytelco.com *|* *Main:* (706) 995-0200
*Direct:* (706) 995-0201 *|* *Mobile:* (706) 255-9203

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On 3/29/2012 5:36 PM, Kir Kolyshkin wrote:
> On 03/29/2012 01:32 PM, John Knight wrote:
>> 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.
> While theoretically it's probably the best and most natural way, 
> practically I do not recommend doing it (at least unless you will also 
> use toolchain/gcc from RHEL6). Kernel is big and complex, as well as 
> gcc, and the improper combination of two could lead to bad results. 
> This is not paranoia, I have seen a number of times when kernel code 
> was miscompiled because of older/newer gcc version used, with a weird 
> runtime effects.
>
> This is why we recommend taking binary rpm and using alien on it. 
> While not a good thing from purist point of view*, practical result is 
> the very same (ie bit by bit) kernel and modules, tried and trusted, 
> tested and working.
>
> * being a purist, I do not like it. But I also know that this way it 
> works, and compiler and toolchain indeed make a difference.
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