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RHEL7-based kernels support [https://www.centos.org/docs/5/html/Deployment_Guide-en-US/ch-nfs.html three different NFS protocol versions]: | RHEL7-based kernels support [https://www.centos.org/docs/5/html/Deployment_Guide-en-US/ch-nfs.html three different NFS protocol versions]: | ||
− | + | <pre> | |
NFS version 2 (NFSv2) is older and is widely supported. | 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 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. | 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. | 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 are three kernel modules accordingly: <code>nfs</code> (for NFSv2), <code>nfsv3</code>, <code>nfsv4</code>. As [[NFS server inside container]] by this moment supports only NFSv3, it's very likely that you'll need to load <code>nfsv3</code> module for clients. | |
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# modprobe nfs | # modprobe nfs |