Hello,

"[email protected]" <[email protected]> writes:

> Your issue seems to be at the system-level indeed, files with a
> modification time in 2186 is strange.

OK, thanks for this. Indeed, looking carefully at the details of the
files with access times in the future, they were only a very very small
percentage of all the files, and the access times were already broken in
the original filesystem where they were copied from, so we can ignore
them. As per files with very old access times, indeed I think that these
were backup copies of files that have been going around our filesystems
for ages, but that apparently are seldom read.

So, all good with the above, and I'm starting now to think about. I want
a simple cleanup policy but with a twist. I'm looking at
https://github.com/cea-hpc/robinhood/wiki/v3_tuto_cleanup and
https://github.com/cea-hpc/robinhood/wiki/robinhood_v3_admin_doc#user-content-Policies
but so far I'm not sure if Robinhood will support what I have in mind.

To make it simple, imagine that I want to consider two file categories:
a) those that were not accessed in at least a year b) those accessed
within the last year. Now, when I reach a 90% global usage target I
would like to remove as many files as needed to go down to 85% usage,
starting first with those files in category a) and only if needed then
continue with those in category b). But within each category I don't
want to delete based on the access time, but rather on the global usage
of users. Thus I will always start removing files that were not accessed
in at least a year, but the first files to be removed will be those of
the user taking more space in the filesystem, then those of the second
biggest user, etc. I hope it makes sense. Do you think something like
this (or similar) is possible with RobinHood? 

Many thanks (and huge thanks for writing RobinHood)!
-- 
Ángel de Vicente
 Research Software Engineer (Supercomputing and BigData)
 Tel.: +34 922-605-747
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