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Red Hat Enterprise Linux Troubleshooting Guide by Benjamin Cane

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NFS – Network Filesystem

Looking at the /data filesystem we can see that the filesystem type is set to nfs4. This filesystem type means that the filesystem is a Network Filesystem (NFS).

NFS is a service that allows a server to share an exported directory with other remote servers. The nfs4 filesystem type is a special filesystem that allows the remote servers to access this service as if it was a standard filesystem.

The 4 in the filesystem type denotes the version to use, which means the remote server is to use Version 4 of the NFS protocol.

Tip

Currently, the most popular versions for NFS are versions 3 and 4, with 4 being the default for Red Hat Enterprise Linux 6 and 7. There are quite a few differences between version 3 and version 4; however, ...

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