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No change in size, 19:34, 17 June 2016
→‎Prepare the HN
RHEL7-based kernels support [https://www.centos.org/docs/5/html/Deployment_Guide-en-US/ch-nfs.html three different NFS protocol versions]:
<pre>{{Quote|
NFS version 2 (NFSv2) is older and is widely supported.
NFS version 3 (NFSv3) has more features, including 64bit file handles, Safe Async writes and more robust error handling.
NFS version 4 (NFSv4) works through firewalls and on the Internet, no longer requires portmapper, supports ACLs, and utilizes stateful operations.
Red Hat Enterprise Linux supports NFSv2, NFSv3, and NFSv4 clients, and when mounting a file system via NFS, Red Hat Enterprise Linux uses NFSv3 by default, if the server supports it.
</pre>}} There Accordingly, there are three kernel modules accordingly: <code>nfs</code> (for NFSv2), <code>nfsv3</code>, and <code>nfsv4</code>. As [[NFS server inside container]] by this moment currently only supports only NFSv3, it's very likely that you'll need to load <code>nfsv3</code> module for clients.
# modprobe nfs
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