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[smb/afp] group permissions executable bit set by default: chmod g-x does not remove
How can I mount on OS X with file permissions perserved? Which turns into, how can natatalk be configured to allow chmod changes and not default to group executable permssions? Summary: # -- on OS X in AFP mount (e.g. /Volumes/share) --- umask 022 # no effect touch test stat -f '%Sp' test # -rw-rwxr-- # why is the group exec bit set!? # -- try to change permissions, no luck -- chmod g-x stat -f '%Sp' test # -rw-rwxr-- # no error but still g+x # -- change permissions on local filesystem (or nfs mount) --- ssh user@NAS chmod g-x /data/share/test stat -f '%Sp' test # -rw-rw-r-- # success! permissions reflected within AFP mount I'd like to expose a share to OS X clients over afp or smb such that file permissions are preserved -- so file permissions on nfs mounts and afp mounts look the same. OS X doesn't do nfs well and I cannot find a way to enable unix extensions for samba, so I'm looking at afp (netatalk). Files created on AFP mounts always have the group executable bit set. chmod has no affect (chmod g-w, chmod g-x, chmod u+x, ... no change). Howver, AFP mount file permissons do reflect any changes made on the NAS share locally or on NFS mounts. I think this is similiar to https://community.netgear.com/t5/Using-your-ReadyNAS/AFP-Mount-Point-Permissions-Solved/m-p/695352#M2505
Time Machine Permissions
Issue I'm having an issue backing up using Time Machine. I get an error when selecting the NAS as a backup disk for Time Machine: You do not have the necessary read, write and append privileges on the selected network backup disk. Please connect as a different user or contact your network administrator. I think the permissions on the Time Machine share are messed up and there isn't an option in the GUI to fix/reset permissions as with other ReadyNAS Shares. Current State I'm running RAIDiator 4.2.31 and installed new disks (4 x 4TB WD RED) to replace my old 1TB drives. I'm running macOS High Sierra 10.13.2 and also tried macOS Sierra 10.12.6. How It Happened I backed up my data to USB prior to replacing my drives. I then replaced the drives and did a factory reset. I then restored data over USB using a Backup Job: Source: [USB Device (Rear Top Port)] Destination: [backup] This worked great for my custom share "backup" and I'm able to access the data, delete, add, etc. I also tried to restore my Time Machine data using a Backup Job: Source: [USB Device (Rear Top Port)] Destination: [Time Machine] Attempts to Resolve I tried disabling Time Machine, rebooting the NAS, changing the User/Password for Time Machine, etc. I also tried the Time Machine Backup Job restore first without then with these backup options selected: 1. Remove the contents of the backup destination before a full backup is performed. This will clean the backup destination of files which were removed in the backup source. Warning, This will delete all files and folders in the backup destination. 2. After backup is complete, change ownership of files in the backup destination to the share owner if the destination is a ReadyNAS share. Warning: Do not use this option if any files or directories should retain their current ownership.