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B.3. NFS errno values
The following system call errno values are the result of various NFS call failures:- EINTR
- A system call was interrupted when the intr option was used on a hard-mounted filesystem.
- EACCES
- A user attempted to access a file without proper credentials. This error is usually caused by mapping root or anonymous users to nobody, a user that has almost no permissions on files in the exported filesystem.
- EBUSY
- The superuser attempted to unmount a filesystem that was in use on the NFS client.
- ENOSPC
- The fileserver has run out of room on the disk to which the client is attempting an NFS write operation.
- ESTALE
- An NFS client has asked the server to reference a file that has either been freed or reused by another client.
- EREMOTE
- An attempt was made to NFS-mount a filesystem that is itself NFS-mounted on the server. Multihop NFS-mounts are not allowed. This error is reported by mount on the NFS client.
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| B.2. NFS client problems |  | C. Tunable Parameters |
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