Effects of qtree changes on quotas

Effect of deleting a qtree on tree quotas

When you delete a qtree, all quotas that are applicable to that qtree, whether they are explicit or derived, are automatically deleted.

If you create a new qtree with the same name as the one you deleted, the quotas previously applied to the deleted qtree are not applied automatically to the new qtree. If a default tree quota exists, Data ONTAP creates new derived quotas for the new qtree. However, explicit quotas in the /etc/quotas file do not apply until you reinitialize quotas.

Effect of renaming a qtree on tree quotas

When you rename a qtree, Data ONTAP keeps the same ID for the tree. As a result, all quotas applicable to the qtree, whether they are explicit or derived, continue to be applicable.

Effects of changing qtree security style on user quotas

ACLs in a qtree affect how Data ONTAP identifies users for quota calculation, as described in How Data ONTAP identifies users. ACLs in a qtree change depending on how you change the security style of the qtree:

If you change the security style from UNIX to either mixed or NTFS, previously hidden ACLs become visible.
If you change the security style from mixed or NTFS to UNIX, ACLs become hidden.

After you change the security of a qtree, you must turn on quotas on the volume containing the qtree.