[Gluster-users] Working with uid/guid

Strahil Nikolov hunter86_bg at yahoo.com
Thu Apr 16 10:26:13 UTC 2020

On April 16, 2020 11:43:03 AM GMT+03:00, Petr Certik <petr at certik.cz> wrote:
>Hi everyone,
>new user here. I can't seem to figure out how to properly manage
>access control. Specifically, I have a gluster volume mounted on
>several servers, all of which have a `www-data` user (with potentially
>different uid on every one of them) which works with the data. Is
>there a way to "translate" the uid on the files locally to the uid of
>the local user, and then back again on write? Or do I have to use
>POSIX ACL and `setfacl -Rm u:www-data:rwX,d:u:www-data:rwX
>And a follow-up question -- that recursive setfacl command seems to
>make glusterfsd run out of memory soon, when I run it on a ~1TB mount
>with lots of small files. Is there a way to make it run smoothly, even
>if slowly? I'd rather not write a script myself to make it run in
>batches, as that could mean I could miss new files that were added in
>the meantime.
>Thanks for any suggestions,
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That problem is same for NFS & CIFS.

Sadly, I don't see mount options to set uid/gid .

I guess you need to either set the same uid for your user , or to use ACLs (maybe with a find  -exec ).

Still you got the option for '0777' ,  but then security will be just a word.

I think the first one is easier to implement.

Best Regards,
Strahil Nikolov

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