David,

I am willing to do the work.  However, as I understand the circumstances, a 
complete build process for the system VMs has not been released.  If I am 
incorrect in my understanding, I will do the work necessary to fix the problem.

Thanks,
-John

On May 21, 2013, at 5:29 PM, David Nalley <da...@gnsa.us> wrote:

> On Mon, May 20, 2013 at 4:15 PM, Chip Childers
> <chip.child...@sungard.com> wrote:
>> All,
>> 
>> As discussed on another thread [1], we identified a bug
>> (CLOUDSTACK-2492) in the current 3.x system VMs, where the System VMs
>> are not configured to sync their time with either the host HV or an NTP
>> service.  That bug affects the system VMs for all three primary HVs (KVM,
>> Xen and vSphere).  Patches have been committed addressing vSphere and
>> KVM.  It appears that a correction for Xen would require the re-build of
>> a system VM image and a full round of regression testing that image.
>> 
>> Given that the discussion thread has not resulted in a consensus on this
>> issue, I unfortunately believe that the only path forward is to call for
>> a formal VOTE.
>> 
>> Please respond with one of the following:
>> 
>> +1: proceed with 4.1 without the Xen portion of CLOUDSTACK-2492 being 
>> resolved
>> +0: don't care one way or the other
>> -1: do *not* proceed with any further 4.1 release candidates until 
>> CLOUDSTACK-2492 has been fully resolved
>> 
>> -chip
>> 
>> [1] http://markmail.org/message/rw7vciq3r33biasb
> 
> 
> So it appalls me that this problem exists. If I understand correctly,
> from folks who commercially support derivatives of ACS. Lack of time
> synchronization has been a factor in major outages, but that's
> typically been between the hypervisors and management servers.
> Regardless we realize (or should) that time is important for so many
> reasons (encryption, logs, and scores of other reasons)
> 
> But when the rubber meets the road - here are the two points that
> decide it for me.
> 
> 1. This is not a new problem. It's bad, it shouldn't exist, but it
> does, and it has for some time it would seem. That suggests it's not
> catastrophic, and hasn't yet blocked folks from getting things done
> with CloudStack.
> 
> 2. I see no one stepping up to do the work. I am not personally a fan
> of issuing what is the effective equivalent of an 'unfunded mandate'.
> The problem isn't just one of building a new SSVM - it's one of
> testing it, and repeating all of the validation that has already been
> done with the existing sysvm.
> 
> Perhaps there is a middle ground (we have a default sysvm, but perhaps
> like we are doing with the IPv6-enabled sysvm we have a time-enabled
> sysvm available for folks.
> 
> Regardless - you called a vote, so I'll reluctantly cast a +1 - I hate
> that we are seeing this problem, but with no one stepping up to do all
> of the work, I'm not quite ready to hold a release hostage waiting to
> find such a person.
> 
> --David

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