[lustre-discuss] project quota problem on existing directories from filesystem created on zfs 0.7 pool

Chen, Wei weichen302 at zoho.com
Mon Jan 17 08:13:13 PST 2022

On Mon, Jan 17, 2022 at 10:17:45AM +0000, Degremont, Aurelien wrote:
> I'm not specialist of project quota, but I have a more generic comment.
> I see you said you upgraded to 2.14.58? Is that a version you pick on purpose?

Yes. Because the LTS 2.12 comes with zfs 0.7, which does not support
project quota. We tested several 2.14 versions, at first thought the
project quota on ZFS is not ready at all, later find out it works on
new directory but not existing one.

> 2.14.58 is not intended for production at all. This is an alpha version of what will be Lustre 2.15. 
> If you want a production-compatible version you should use 2.12.8 or 2.14.0.
> Never pick a version where last digit is > 50. That means "development release".

Thank you! This lustre is intended to replace an old Glusterfs that
performed badly due to various of issues, including space and inode
quota not working properly. Project quota is a must have feature. It
hasn't been put into production yet. We are waiting for Lustre 2.15.


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