> I'm not sure if this happens on Spectrum Scale but on most FS's if you do a chmod 770 file you'll lose any ACLs assigned to the > file, so safest to bump the permissions with a subtractive or additive o-w or g+w type operation. This depends entirely on the fileset setting, see: https://www.ibm.com/docs/en/spectrum-scale/5.1.2?topic=reference-mmchfileset-command “allow-permission-change” We typically have file-sets set to chmodAndUpdateAcl, though not exclusively, I think it was some quirky software that tested the permissions after doing something and didn’t like the updatewithAcl thing … Simon -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://gpfsug.org/pipermail/gpfsug-discuss_gpfsug.org/attachments/20211212/efe66e56/attachment.html>