[asterisk-dev] Proposal for DAHDI-trunk: deprecate old kernels
oron.peled at xorcom.com
Thu Dec 29 15:35:50 CST 2011
On Thursday, 29 בDecember 2011 20:08:21 Jason Parker wrote:
> On 12/29/2011 11:42 AM, Oron Peled wrote:
> > * After DAHDI-2.8:
> > Drop support for 2.6.18 kernels.
> I was with you right up until this point. If support for 2.6.18 is released
> before the enterprise distros maintenance period ends (RHEL5, March 2014),
> then we are doing a serious disservice to these users.
1. You are right (and I knew RHEL/Centos-5 would be the thorniest
issue), but let's try some prediction (although it's hard
to make predictions... especially about the future ;-)
* DAHDI-2.6 is out RSN.
* I was talking about two releases ahead (2.7, 2.8) when would
it be? Let's say they would take a year from now (we can
be optimistic) [Jan-2013]
* So let's re-evaluate RHEL-5 at that time.
(how many such boxes would need *new* installtion from trunk
not a maintenance release from DAHDI-2.8 stable branches)
* "Worst" case, by that time we'll decide to wait until
March-2014 as you suggested -- I'll be totally OK with this.
* So it looks that 2.6.18 kernels can be deprecated sometime
around 2013, 2014.
2. However, the policy you imply has bigger, long term, implication:
* First, RHEL life-cycle has separate periods, the March-2014
date means until end of "Production 3 Phase". From:
"...No new functionality, new hardware support or updated
So we talk about extending DAHDI *trunk* support beyond
the time the OS vendor itself supports new hardware install.
* The more accute problem is that it implies maintaining
DHADI trunk for two RHEL releases (e.g: 5 + 6)
It is easy to see that this is not sustainable:
- E.g: RHEL-4 + RHEL-5 (Feb-2005 until Mar-2014)
spans 10 years
- In this time the upstream kernel matured from 2.6.0
into 3.x.... Hmmm...
So while I think the current decisions are not very difficult
we are heading to some harder decisions later.
Oron Peled Voice: +972-4-8228492
oron at actcom.co.il http://users.actcom.co.il/~oron
Microsoft gives you windows, linux gives you the whole house.
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