Re: [Scalablecr-discuss] User configuration file format

[Adam T. M. <mo...@ll...>]

Hi Maksym,
We replaced CACEDESC with STORE.  The user manual is correct in this 
case (Section 6.2).  I've pushed a fix for this:

https://github.com/hpc/scr/commit/f8e067ac3057c4c6b9f9a464431c3be913112117

Sorry about that.  I obviously forgot to check that the example 
scr.user.conf file was up-to-date with the latest source code.
-Adam


Maksym Planeta wrote:

> And a follow up question.
>
> The example proposes using CACHEDESC (or CACHE of you do the same 
> change as with CKPTDESC) keyword. The documentation proposes using 
> STORE keyword.
>
> Both the keyword seems to specify the same thing.
>
> Which one is the right one?
>
> On 01/26/2016 12:54 AM, Mohror, Kathryn wrote:
>
>> Hi Maksym,
>>
>>>
>>> I decided to try out SCR. I compiled it and installed as specified 
>>> in the manual.
>>> No I try to specify checkpoint descriptors in use configuration file.
>>
>>
>> Glad to hear you're trying out SCR!
>>
>>> It turns out that the documentation describes other format, from 
>>> what an
>>> example at https://github.com/hpc/scr/blob/master/scr.user.conf shows.
>>>
>>> For example, file doc/scr_users_manual.pdf does not contain keyword
>>> CKPTDESC whatsoever.
>>>
>>> Could you tell me what is the correct format?
>>
>>
>> It looks like you have uncovered a bug in the example scr.user.conf 
>> file. Please use the keyword CKPT as you found in the user's guide 
>> for those lines instead of CKPTDESC.
>>
>>> I tried to use the one which documentation specifies, but I get an 
>>> error which
>>> tells, that I probably don't have enough nodes:
>>>
>>> SCR v1.1.8 WARNING: rank 10 on taurusi6325: Failed to find partner
>>> processes for redundancy descriptor 0, disabling checkpoint, too few 
>>> nodes?
>>> @ scr_reddesc.c:169
>>>
>>> I definitely do, because I specify SET_SIZE=1 and create a job with 
>>> 4 nodes.
>>
>>
>> Yes, this error is related to the SCR_SET_SIZE parameter. Try setting 
>> it to 8 and see if it works better. I believe the reason you get that 
>> message is because the set size needs to be greater to 1 for a 
>> redundancy scheme to work.
>>
>> Let me know if that helps! If not we can work some more on it.
>>
>> Kathryn
>>
>>>
>>> I attach all the configuration files for completeness.
>>>
>>> -- 
>>> Regards,
>>> Maksym Planeta
>>
>
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