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I already have a NFS share mounted on my server A from a remote server Server-Remote. (/mnt/nfs_share)

On server A I installed and run the NFS server service and now I want to export the above share to another server B on the network.

After edit /etc/exports and run exportfs -a on server A I got the below error message:

exportfs: /mnt/nfs_share does not support NFS export

So is it possible to nfs export an existing NFS share? kind of like a NFS relay or forward?

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    Why would you want to do this? This is usually not possible except with some insane workarounds because it is a very bad idea. – Sven Jul 25 '16 at 8:03
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    Some ancient operating systems used to do this, back in the distant past (SunOS!). It was a nightmare, and was one of the primary causes of entire universities losing all of their workstations and servers at once.... Even if it were possible, it's something you should go out of your way to avoid. – Michael Hampton Jul 25 '16 at 8:17
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It is not possible to reexport NFS mounts. You can export an NFS mount via SMB however if that works for you.

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