[Clas_offline] Decommissioning of 32 bit interactive farms

[Johann Goetz]

I have been using gsim on 64 machines (compiled using the -m32 flag) for
about a year now. Many months ago, I tested it on 32-bit machine and it gave
the same results. This is not an issue.

On Thu, Mar 10, 2011 at 12:29 AM, Dennis Weygand <weygand at jlab.org> wrote:

> Yes- I can comment....
> The plan has been in place for a long time, and not all the CLAS subgroups
> bothered to do anything about it, in spite of consistent warnings.
>
> I would just keep one machine around till we are current.
>
> Arman: You can play a key role here- what is the status? Also, the biggest
> worry is GSIM, which as far as I know was never able to make the transition
> to 64 bit.
> Johann, can you update me on the status if GSIM? Isn't it easy to do a 32
> bit build on a 64 bit machine?
>
> Dennis
>
>
>
>
> On Mar 9, 2011, at 1:19 PM, Heyes Graham wrote:
>
> The plan to decommission the 32-bit nodes has been in place for a long time
> and I have had no feedback at all from any  of the groups indicating
> anything that would prevent this. Of course Dennis is at the meeting in
> Paris this week and not able to comment.
>
> If one node was to be kept up how long will it be needed for? I don't yet
> know if it is possible but if it is that node must only be used as a check
> of the 64-bit code.
>
> Regards to all,
> Graham
>
>
> On Mar 9, 2011, at 12:30 pm, Alex Kubarovsky wrote:
>
> Hello,
>
> I completely agree with Valery and Ivan.
>
> Regards, Alex
>
> On Wed, Mar 9, 2011 at 11:49 AM, Valery Kubarovsky <vpk at jlab.org> wrote:
>
>> Hi All:
>> I completely support the idea to keep one of our ifarms (3,4,5) alive for
>> some time.
>> It will give us the possibility to check the code on 64bits machines.
>> Again, we are not ready for the complete transition due to missing
>> programs at new platform.
>> Valery
>>
>>
>> On Wed, Mar 9, 2011 at 11:36 AM, Ivan Bedlinskiy <bedlinsk at jlab.org>
>> wrote:
>>
>>> Hi Dennis,
>>>
>>> According to login notices on ifarms all 32bit interactive farms will be
>>> decommissioned on Monday, March 14.
>>>
>>> Is it possible to keep at least one such farm in production?
>>>
>>> The reasons:
>>>
>>> 1) The migration to 64 bit systems is not complete. At least some of my
>>> code is not linking properly on ifarml6. I believe some other people
>>> will have similar problems.
>>>
>>> 2) As far as I know certain CLAS software like CED in not compiling on
>>> ifarml6
>>>
>>> 3) Its better to have backup option and be able to check certain old
>>> sources in the old environment. When migration from RHEL3 to RHFC8
>>> occurred it was very inconvenient the old environment was not available.
>>>
>>> Regards
>>> Ivan
>>>
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>>
>>
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>
> --
> Dennis Weygand
> weygand at jlab.org
> (757) 269-5926
>
>
>
>


-- 
Johann T. Goetz, PhD.
jgoetz at ucla.edu
Nefkens Group, UCLA Dept. of Physics & Astronomy
Hall-B, Jefferson Lab, Newport News, VA
Office: 757-269-5465 (CEBAF Center F-335)
Mobile: 757-768-9999
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