[asterisk-users] Dahdi for meetme on AMD64 arch?

Thu Jan 19 17:38:00 CST 2012

> I've been quite happy with Debian. Previously I was using BSD, and it 
> was almost impossible to upgrade the system. And apt / dpkg have never 
> failed me, very impressive. I guess rhel works well also, but I've 
> little experience with it. 

Debian is a great distribution as well.  I still use it as the container 
os to host web vps.  I think for OpenVZ usage though, it would be best 
to at least run your node software on the same distribution that is 
targeted via OpenVZ dev staff.  You shouldn't really be doing anything 
else on your node anyway, so the os type shouldn't really interfere I 
would think.  Though this argument breaks down when I suggest it to my 
Debian-using friends who seem to have a knee-jerk right hook coming my 
way when I mention rhel/centos.  :D

> Why doesn't Debian use the rhel6-openvz-kernel if that is the one that 
> is maintained?
> Are you sure they use an outdated kernel? 

I didn't see an "el6" tag on your kernel version that you first posted 
which means it's probably based on the 2.6.32 vanilla branch 
(http://wiki.openvz.org/Download/kernel/2.6.32).  The el6 version 
(http://wiki.openvz.org/Download/kernel/rhel6) is the only known 
actively developed branch of 2.6.32 that I know of.  I can't imagine 
Debian not packaging it up correctly by not reflecting the correct 
branch information.  Though it's only been a year and half since 
2.6.32-el6 has been around, I've already seen quite a bit of bug fixes, 
security fixes and backports added to it so it's already diverging quite 
heavily from the vanilla branch.  Something that works flawlessly on 
2.6.32-el6 might not work the same way on 2.6.32, and I'm wondering if 
this might be a cause of issues.

To Digium: Does Digium test dahdi against a specific set of kernels such 
as 2.6.18-el5 and 2.6.32-el6 or do they only test against the vanilla 
upstream branches or a mixture?  Dahdi target platforms would be 
interesting to know in relation to the context of Johan's dahdi problem.

> Maybe I will try switch to lxc instead of openvz as it is in the 
> mainline kernel now. After all I need two things: Isolation, and the 
> possibility to run multiple asterisk VEs on the same physical machine. 

Hmm, I've never used lxc.  It definitely sounds interesting.  If you're 
going to implement it running Asterisk, I'd love to know if there are 
any issues or special methods required to get dahdi running (such as the 
DEVNODES feature in vz).

Also, sorry to anyone if I've veered too far offtopic, I'm quite 
interested and invested in openvz/asterisk/dahdi interoperability.

--
<http://www.classiccitytelco.com>

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

On 1/19/2012 6:17 PM, Johan Wilfer wrote:
> 2012-01-18 19:44, John Knight skrev:
>> "Have you used 64 bit kernels (amd64) in your setup? Distribution?"
>>
>> Aye,  I use the current stable 64-bit rhel6 branch openvz kernel with 
>> centos 6 on the node and scientific linux 6 in the template without 
>> issue other than what I described before with res_timing_timerfd.so 
>> pegging the cpu and coring Asterisk.
>
> Good to know that it is working! I've run i386 earlier, but thought it 
> was time to try 64-bit.
>
>> It's never a suggestion a debian user wants to hear, but as the 
>> vanilla 2.6.32 openvz kernel has effectively been abandoned by the 
>> OpenVZ dev team in favor of the rhel6 version of 2.6.32, and since 
>> the node shouldn't really be doing anything other than hosting the 
>> templates, have you considered running centos6/rhel6-openvz kernel on 
>> the node and debian in the containers?   Just a suggestion, but no 
>> further openvz development is being done to the vanilla 2.6.32 branch 
>> and the rhel6 openvz kernel will consistently have bug fixes and and 
>> backports.
>>
>> Not trying to start a distro war or anything, rather just a suggestion.
>
> I've been quite happy with Debian. Previously I was using BSD, and it 
> was almost impossible to upgrade the system. And apt / dpkg have never 
> failed me, very impressive. I guess rhel works well also, but I've 
> little experience with it.
>
> Why doesn't Debian use the rhel6-openvz-kernel if that is the one that 
> is maintained?
> Are you sure they use an outdated kernel?
>
> I have to read up on this, the next server maybe should use another 
> distro for the HN.
> Maybe I will try switch to lxc instead of openvz as it is in the 
> mainline kernel now. After all I need two things: Isolation, and the 
> possibility to run multiple asterisk VEs on the same physical machine.
>
> -- 
> Johan Wilfer                 email:johan at jttech.se
> JT Tech | Developer          webb:http://jttech.se
>
>
> --
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