[LON-CAPA-admin] how to remove old lonUsers data?

Todd Pfaff pfaff at rhpcs.mcmaster.ca
Mon Sep 30 11:53:18 EDT 2024


Thanks, Lars.  This is essentially what I was wondering: is it safe to 
simply selectively remove old files under lonUsers.  Given what you're 
doing, I guess the answer is "yes".

Todd

On Sun, 29 Sep 2024, Lars wrote:

> Hi Tod,
>
> We have used this command to wipe out directories containing only
> files older than 1000 days:
>
> Enter on command line in /home/httpd/lonUsers/tmcc/* to erase student
> directories in which every file is older than 1000 days:
>
> for d in ./*; do find "$d" -mindepth 0 -mtime -1000 -print -quit |
> grep -q . || echo rm -rf "$d"; done
>
> Remove the echo when satisfied. Remove the -q to find out why a
> directory is not being removed.
>
> Sincerely,
> Lars.
>
> On Sun, Sep 29, 2024 at 3:44 PM Todd Pfaff via LON-CAPA-admin
> <lon-capa-admin at mail.lon-capa.org> wrote:
>>
>> Our lonUsers directory tree has grown to several hundred gigabytes with
>> data from the past decade or so.  We'd like to be able to discard some of
>> the older data that is no longer needed, but there doesn't seem to be any
>> obvious or documented method for doing this sort of operation.
>>
>> How does on go about safely removing old lonUsers data?
>>
>> Thanks,
>> Todd
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