[Lustre-discuss] ACL question

[Robert LeBlanc]

Well, my little trick isn't working right now. I'm not sure how to debug
this.

Robert LeBlanc
Life Sciences & Undergraduate Education Computer Support
Brigham Young University


On Mon, Oct 26, 2009 at 3:03 PM, Robert LeBlanc <robert at leblancnet.us>wrote:

> We are running 1.8.0.180 and seem to have an issue with ACLs that I hope
> someone can help us with. We have ACLs enabled on Lustre and can write them
> and read them just fine. However, Lustre does not seems to respect ACLs like
> Linux should. An example:
>
> drwxrwx---+ 3 user1     root         4.0K 2009-10-26 14:29 zz
>
> # file: zz
> # owner: yanzzee
> # group: root
> user::rwx
> group::rwx
> group:group1:rwx
> mask::rwx
> other::---
>
> So user1 is the owner of directory zz and root is the group owner, but
> group1 has full permissions on directory through ACLs. User2 is a member of
> group1, but is not able to list or modify the directory. This same set-up
> works in tmp and is what I am used to. In order for it to work on Lustre, I
> have to set the Default ACL for the group before access is granted. If I
> remove all the default ACLs, it still works. Is there something that I am
> doing wrong that the behavior is not what I expect from other filesystems?
>
> Thanks,
>
> Robert LeBlanc
> Life Sciences & Undergraduate Education Computer Support
> Brigham Young University
>
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