How am I just learning about this right now, thank you! Makes so much more sense now the odd behaviors I've seen over the years on GPFS vs POSIX chmod/ACL. Will definitely go review those settings on my filesets now, wonder if the default has evolved from 3.x -> 4.x -> 5.x.
IBM needs to find a way to pre-compile mmfind and make it supported, it really is essential and so beneficial, and so hard to get done in a production regulated environment. Though a bigger warning that the compress option is an action not a criteria! Alec On Sun, Dec 12, 2021 at 9:01 AM Simon Thompson <[email protected]> wrote: > > 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 > _______________________________________________ > gpfsug-discuss mailing list > gpfsug-discuss at spectrumscale.org > http://gpfsug.org/mailman/listinfo/gpfsug-discuss >
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