Why does the df command not show correct values for cifs mounted volumes when served by NAS such as NetApp filer?
Issue
- On RHEL system the usage reported by df command.
/cifs-share/ shows usage as 95%
- On NetApp system,
/cifs-share/ shows usage as 73%
Environment
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- CIFS/SMB2
- NAS (e.g. NetApp Filer)
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