df reports several gb delta between total and used, but 0 available space

Filesystem Size Used Avail Use% Mounted on

/dev/sdb 246G 234G 0 100% /backup_data

on the above fs: as root i can create non-empty files in the above tree, /backup_data. as the owner of a dir in the above tree, with perms 775 on the dir which i am attempting to write to, i can create only empty files. any attempt to write data to a new or existing file, fails. it seems as if root has the capability to utilize space which regular users (even with appropriate perms) cannot utilize.

any explanation for this?

tnx ams

2 Reset to default

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