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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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Encoding issue between NFSv3 and NFSv4

We have some issues regarding NFS share regarding filenames encoding. We were previously mounting as NFSv3 and started to use NFSv4 and some files previously created, with special characters (typically French accented characters) are now…
Lebowski
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How does the Linux NFS server implementation of setclientid work?

Does anyone understand the NFS protocol (Version 4) or the Linux NFS server implementation of it well enough to explain how setclientid negotiates authentication? Background: I have a CentOS 7 server that runs an NFS4 server with Kerberos…
Tobias
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NFS ignores secondary groups

My NFS server seems to be ignoring secondary groups. I have fewer than 16 groups per user, but have --manage-gids on. The NFS share doesn't mount when this option is missing. Users and groups are managed with LDAP, and authentication is done via…
kai
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Automount mac home directories using NFS4

I'm trying to set up automounting of user home directories using NFSv4 on Mac clients. Everything appears to work as expected except for logins via the Mac GUI. These hang with a spinning cursor. Details The systems are Mac OS 10.13.3 clients with a…
Dave Robertson
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Non-root user needing chown capability on NFS client

I am providing an NFS server as part of a collaborative project with another group producing client software over which I have no control. Their software provides file management to its users through a web interface and service, and as a storage…
Drew
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XFS: possible memory allocation deadlock in kmem_alloc

I am performing a data analysis that entails loading a large data matrix of ~112GB into a memory-mapped file using R programming language, specifically the bigmemory package (see https://cran.r-project.org/web/packages/bigmemory/index.html). The…
Vince
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Solaris 10 NFS client mount error "NFS compound failed for server 10.0.2.18: error 5 (RPC: Timed out)"

I have a Solaris 5.10 (I think that's considered Solaris 10) server - we'll call it "Bill" - which I own, but a vendor supports the additional software installed. They have to manually stop services and make sure data is flushed to its local…
user38537
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Can Windows Server 2012 R2 mount a NFS 4.1 target?

We're looking at the new AWS feature Elastic File System (EFS). One of the caveats is that Windows Server EC2 instances are not supported (https://docs.aws.amazon.com/efs/latest/ug/gs-step-one-create-ec2-resources.html) This appears to be linked to…
kafka
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Problems on mounted NFS: 'No such file or directory' but files and directories exist

So we are having a medium-sized NFS4 storage server running CentOS 6.6 exporting an NFS share /storageDat (which is the NFS root, with two RAID volumes bound in there: ./dat1 and ./dat2); Export options: rw,sync,no_wdelay,no_subtree_check,fsid=0 We…
Mone
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NFSv4 idmapd ignores Nobody-User

I have a folder which is owned by ftp:users. I wanted to export this folder and have all requests mapped to the ftp user, which has id 107. In /etc/exportsI have the following: /media/other …
Rapsey
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NFS4: what effects changes to /etc/idmapd.conf?

We have been wrestling with the problem where our NFS4 mount on our RHEL 6.3 clients show file ownership as "nobody", and where we see "nss_getpwnam: name 'blah' does not map into domain 'localdomain'" in /var/log/messages. We know that the fix is…
Mike S
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NFS v4 ACL inheritance problems - "i" flag set but not wanted

What I am trying to is add an NFS v4 ACL that allows a directories, child and grandchild, great grandchild etc directories and files to inherit a delete ('D') flag under linux. The underlying file system on the server is xfs and . I'm not…
Jason Tan
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NFSv4 Symbolic link under virtual root

My intention: use /exports as my virtual root of NFSv4 export dir /my/dir through NFS So I created a symlink under /exports like this # ln -s /my/dir /exports/dir and my /etc/exports looks like: /exports…
Andy Song
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ESXI 8.0 Host to NFS slow vs Guest to NFS

I have been trying to track down why my backups have been slow using ghettoVCB from the ESXI host. I'm currently backing up my virtuals using ghettoVCB to a NFS share on TrueNAS from the host OS. When I copy files to the NFS share from a guest…
Rtype
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Make NFS server listen only on a specific interface

I am trying to run a NFS server (nfs-kernel-server package) on a Ubuntu 20.04 machine and want to make it only acessible via VPN. I have set the appropriate IP address in the /etc/exports file and my firewall. Nevertheless, the rpc.mountd daemon is…
mat
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