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Questions tagged [nfs4]

Network File System version 4 (NFSv4)

NFS Version 4 (RFC 3010, December 2000; revised in RFC 3530, April 2003), influenced by AFS and CIFS, includes performance improvements, mandates strong security, ACLs, locking and introduces a stateful protocol. Version 4 became the first version developed with the Internet Engineering Task Force (IETF) after Sun Micro systems handed over the development of the NFS protocols.

NFS version 4 minor version 1 (NFSv4.1) has been approved by the IETF and received an RFC number 5661 since Jan 2010. The NFSv4.1 specification aims:

To provide protocol support to take advantage of clustered server deployments including the ability to provide scalable parallel access to files distributed among multiple servers (pNFS extension). to provide sessions and Exacely One Semantic (EOS)

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How to automate directory creation on NFS-Server?

I created and configured a test-environment of 3 virtual machines: A FreeIPA server which provides krb5-authentication A NFS-Server using server 1 to secure itself A client that automounts home directories from the nfs server The problem is, that…
Richard
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Can't read ACL on NFS4 share, Solaris 10 client, CentOS 7 server

First off, please excuse me if my question isn't well formed, this is my first post on serverfault :) I have successfully deployed LDAP and Kerberos authentication in a mixed Linux/Windows/Solaris network. I have CentOS 7 server serving NFS4 with…
Svetoslav Ilkov Enchev
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automount - autofs mount issue on CentOS 6.5

Server CentOS 6.5 and Selinux is permissive My NFS server share in /etc/exports /home/unixmen/ 10.0.0.0/24 (rw,sync,no_root_squash) Client running on another CentOS 6.5 host , is able to mount normally.. When I try automount with autofs, nothing…
user173639
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Why can't I chown to nobody over nfsv4?

Server: FreeBSD 9.2-RC1, ZFS Client: FreeBSD 9.0-RELEASE-p3 Filesystem is exported with "alldirs,maproot=root". On the client, I can chown a file to any user but nobody. client# touch foo client# ls -l foo -rw-r--r-- 1 root staff 0 Aug 20 11:18…
Chris Jones
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Tons Of rpc.idmapd errors in syslog

I am growing weary of some error messages in my syslog - its showing: Jul 3 15:16:38 web rpc.idmapd[14535]: nss_getpwnam: name 'nobody' does not map into domain 'mydomain.com' I have check, my hostname is correct as mydomain.com and I even added a…
Slamguy
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NFS4 Username Mapping Between OpenIndiana and Linux

I have an NFS4 share on an OpenIndiana server that I'm trying to properly access with an Ubuntu Linux machine. The username that owns the files in the share on the server is "nick" its UID is 104 on the server. The group that owns the files on the…
Nick
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NFS server disrespects anonuid, anongid

I exported an NFS share from a server and mounted it from a client. I got permission denied errors when I tried to access it, wondered why. Made the export world-writable, created a file there, and it turned out that the client accesses it with a…
MegaBrutal
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How can I determine the version of a remote NFS share?

I am having trouble with a some software, that only can mount NFSv3 and NFSv4 share - it can not mount NFSv4.1 or NFSv4.2. Since I do not have access to the server itself, I cannot determine what exact version of NFS is being used. I am aware of the…
Orphans
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NFS/krb5 authentication server lookup fails due to wrong principal name

When mounting an NFSv4 with Kerberos, authentication fails and krb5kdc.log shows the wrong principal name for the NFS server. LOOKING_UP_SERVER: ... host/nfsclient.internal.domain.tld@IPA.DOMAIN.TLD for…
ifndef
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NFS4 and bind mount issues

Ok guys I have a weird issue. After recently adding a bind mount 2 folders deep inside an existing NFS4 export, when I mount that NFS export on my client, it leads directly to the bind mount. No matter what I try it doesnt change. I have my Servers…
Jordan Ketterer
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Where would I find background documentation on nfsidmap?

I'm trying to set up an NFSv4 client, and can't find useful documentation. The manpage for nfsidmap(5) (I'm concerned with CentOS on the client-side, as it happens) describes a particular tool, which is configured in idmapd.conf(5), and which…
Norman Gray
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how should I proceed debugging NFS4+Kerberos?

I have a working NFS4 setup. The server is called bluebox.lan and it exports: /mnt bluescreen.lan(rw,no_root_squash,crossmnt) The client is called bluescreen.lan and it is able to mount bluebox's nfs using: mount -t nfs4 -o nfsvers=4.2…
Mathijs Kwik
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Failing fast with an EFS NFS mount

We run a Java application distributed across a number of servers, part of which involves the writing and reading of shared files. This side of the application is currently held together by a bunch of rsync cron jobs, so the option of replacing it…
DGoodman
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What exactly does nfs4_disable_idmapping parameter do?

I've been experimenting with user/group ID mapping (translation) in NFSv4. What I want to achieve is name based ID translation, that is independent of the actual UID/GID on the server and clients. Many guides and articles mention that to have ID…
ovk
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How do you setup an NFS4 server that utilises Kerberos authentication from an Active Directory KDC using CentOS Linux release 7.6.1810 (Core)

How do you setup an NFS4 server with Kerberos from Active Directory? I can install and configure an NFS4 server and connect to it, but I can not get Kerberos to work under any circumstances where the Active Directory controls the KDC. Not even with…
Tobias
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