Hello,
The only "architectural" documentation that exists is :
- Presentation on DPM : https://edms.cern.ch/file/591454/1/DPM-EGEE-Conf-Athens-21-04-2005.ppt
- DPM admin guide : https://uimon.cern.ch/twiki/bin/view/LCG/DpmAdminGuide
We are aware that more detailed documentation would be useful.
Cheers, Sophie.
>> Some weeks ago I've installed the DPM server on our SE and started to
>>experiment with it. And I've found the strange (to me) fact: while the
>>physical disk in the DPM pool is used only by 2%, the DPM reports that
>>there is absolutely no free space:
>
> OK, I've found the missing concept: DEFSIZE is 250M and I suspect that
> the system thinks that all files are of that size. Changed the GC threshlds
> to 30 and 40 percents and it started to free up the space. But it frees the
> space very slowly: now it almost stopped at 3G of free space, while now there
> is almost 700G of free physical space.
Restart the dpm and you will get the space back immediately.
> Also I've changed the defsize to 1M: does anyone knows, will it mean that
> the maximal file size will be 1M, or it will grow to the actual file size?
It is the default allocation: files can grow beyond that as long as there
is space.
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