[one-users] RANK=FREEMEMORY

[Ruben S. Montero]

On Thu, Oct 30, 2014 at 2:57 PM, Steven Timm <timm at fnal.gov> wrote:

> I think I see what went wrong by looking at the documentation.
> The value as shown in onehost show -x
> is now labeled FREE_MEM instead of FREEMEMORY.
> (The current docs also correctly show the variable as FREE_MEM).
> I will edit my template and see if that has an effect.
>
> Also it looks like RANK is deprecated in favor of SCHED_RANK
> and SCHED_DS_RANK is that correct?
>


Yes,



>
> Any way short of a text editor and onetemplate update to
> fix all the legacy templates that have it wrong?
>


All of this should be automatically handled by the upgrade process...


> Steve Timm
>
>
> On Thu, 30 Oct 2014, Ruben S. Montero wrote:
>
>  Hi Steven,
>> This should be working as long it is in the host information. Could you
>> send
>> the onehost show -x for one of the hosts? (You can send it to me offlist
>> if
>> there is any sensible information).
>>
>> The Rank expression is supposed to work with any variable under the
>> following XPaths:
>>
>>     "/HOST/TEMPLATE/",
>>     "/HOST/HOST_SHARE/",
>>     "/HOST/",
>>     "/HOST/CLUSTER_TEMPLATE/
>>
>> Cheers
>>
>> Ruben
>>
>> On Wed, Oct 29, 2014 at 10:34 PM, Steven Timm <timm at fnal.gov> wrote:
>>
>>       Under OpenNebula 3 we have been using RANK=FREEMEMORY
>>       to launch the next virtual machine on the hypervisor which
>>       has the most memory available at the time.  I am using the
>>       same in OpenNebula 4.8 but it does not appear to be working,
>>       even though FREEMEMORY is still a documented selection variable
>>       in the requirements section.  In particular
>>       all the RANKS of the machines show up as "0" in the sched.log
>>       when you look at the allocation cycle and there is no
>>       "FREEMEMORY"
>>       variable reported in the output of
>>       onehost show xxxx
>>       under opennebula 4.8.
>>
>>       Are there other selection variables which could have
>>       the same desired effect, i.e. a horizontal fill of the cloud?
>>
>>       Steve Timm
>>
>>
>>       ------------------------------------------------------------------
>>       Steven C. Timm, Ph.D  (630) 840-8525
>>       timm at fnal.gov  http://home.fnal.gov/~timm/
>>       Fermilab Scientific Computing Division, Scientific Computing
>>       Services Quad.
>>       Grid and Cloud Services Dept., Associate Dept. Head for Cloud
>>       Computing
>>       _______________________________________________
>>       Users mailing list
>>       Users at lists.opennebula.org
>>       http://lists.opennebula.org/listinfo.cgi/users-opennebula.org
>>
>>
>>
>>
>> --
>> Ruben S. Montero, PhD
>> Project co-Lead and Chief ArchitectOpenNebula - Flexible Enterprise Cloud
>> Made Simple
>> www.OpenNebula.org | rsmontero at opennebula.org | @OpenNebula
>>
>>
>>
> ------------------------------------------------------------------
> Steven C. Timm, Ph.D  (630) 840-8525
> timm at fnal.gov  http://home.fnal.gov/~timm/
> Fermilab Scientific Computing Division, Scientific Computing Services Quad.
> Grid and Cloud Services Dept., Associate Dept. Head for Cloud Computing




-- 
Ruben S. Montero, PhD
Project co-Lead and Chief Architect
OpenNebula - Flexible Enterprise Cloud Made Simple
www.OpenNebula.org | rsmontero at opennebula.org | @OpenNebula
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