Re: [Scalablecr-discuss] User configuration file format

[Maksym P. <mpl...@os...>]

Thank you for the response.

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.
>

CKPTDESC seems to be not the only dead keyword. CACHEDESC from example 
scr.user.conf is not used neither in the source nor in the documentation.

>> 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.
>

Changing the set size and removing GROUP=WORLD helped. Thank you.

> Kathryn
>>
>> I attach all the configuration files for completeness.
>>
>> --
>> Regards,
>> Maksym Planeta

-- 
Regards,
Maksym Planeta