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Questions tagged [nfs]

nfs (Network File System) created by Sun Microsystems. NFS allows a client system to access network files as if local.

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NFS permission for other - operation not permitted

I have a NFS trouble. Server: $cat /etc/exports /opt/1865/conf/ 10.10.14.196(rw,sync,no_subtree_check) $id uid=999(usr1) gid=1003(grp1) groups=1003(grp1) Client: $cat /etc/fstab | grep nfs 10.10.14....
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Understanding the contents of rmtab

man mountd states: The rmtab File The rpc.mountd daemon registers every successful MNT request by adding an entry to the /var/lib/nfs/rmtab file. When receivng a UMNT request ...
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NFS mixup with mounted ISO images [II] [duplicate]

Hello dear forum readers, This is a rephrase of my post # 779647 (which became too big to get to the point) and is based on further testing (with SMB). My problem: I have made an offline Debian ...
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NFS mixup with mounted ISO images

I have made an offline Debian software repository with currently 49 DVD images on my NAS. I created a single directory '/mnt/ISO-images' which contains the 49 mountpoints. I export this single ...
Steijn van Essen's user avatar
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Remounting an overlayfs on underlying filesystem failure

I have quite a bit complex setup. I'm running https://github.com/demostanis/demolinux. The root filesystem is made out of an overlayfs between a btrfs read-only subvolume and a read-write btrfs ...
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Near errorless issue with VirtualBox and/or nfs

Server/host: DISTRIB_DESCRIPTION="Ubuntu 22.04.4 LTS" Server NFS-common version: nfs-common/jammy-updates,now 1:2.6.1-1ubuntu1.2 amd64 [installed,automatic] Server NFS-server: nfs-kernel-...
brad's user avatar
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Why does df shows same as "du --apparent-size"?

That seems completely backwards. (The block size on this NFS share is 512KiB, causing 20% waste, but that's a different issue.) $ df -BM --output=used,target /Database/backups Used Mounted on ...
RonJohn's user avatar
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Autofs - setautomntent: lookup(sss): setautomountent: entry for map auto_master not found

I am trying to set up my NFS system between my server node and my client node running on rhel9. They are both on different physical servers on the same network. The nfs-server daemon is properly ...
paul runner's user avatar
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Unable to install autofs on rhel9

When I try sudo dnf install autofs, I get this error: [MIRROR] autofs-5.1.7-58.el9.x86_64.rpm: Status code: 403 for https://cdn.redhat.com/content/dist/rhel9/9/x86_64/baseos/os/Packages/a/autofs-5.1.7-...
paul runner's user avatar
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How to delete a directory whose name has special characters

My ./imap directory contains two folders with names containing special characters : ‘No’$‘\351’‘.sbd’ ‘S’$‘\351’‘gol’$‘\350’‘ne.sbd’ (these are the full names with no other characters added). The ...
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Is it impossible to overwrite a 0byte file on NFS?

I have set up NFS using AWS Storage Gateway and File Share on a Mac environment. When using a specific program to create 0byte files on this NFS, if a file with the same name already exists, the ...
derick-park's user avatar
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/etc/cups/cupsd.conf - on a share across 2 servers

I have two servers which has to see all the same network printers. Please advise if I can change the location of the /etc/cups/cupsd.conf file to something like /etc instead? My /etc/cups is the same ...
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NFS mount fails with peculiar errors (as plain user and root)

When I try to manually mount with this command: mount -t nfs <server-ip>:/srv/nfs4/share1 /mnt/data as non-root user, I am getting the error mount.nfs: failed to apply fstab options.  When ...
Parsa Loi's user avatar
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Running find on NFS mount much slower on RHEL8 vs RHEl7

I'm in the process of replacing some RHEL7 NFS server/client systems with RHEL8 systems, performing the same functions. On the RHEL8 NFS client, I noticed running a find command on the NFS mount, is ...
keyboard_banger's user avatar
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Connection refused for NFS client

I configured the NFS server to allow connections from a /24 subnet. When I run the showmount -e <nfs-server-ip> on a client the configuration is printed. When I run rpcinfo -p <nfs-server-ip ...
Parsa Loi's user avatar
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Predictable Network Interface Names doesn't rename NFS root interface

With NFS root and Predictable Network Interface, I got differences in ethernet interface names: one interface configured by Kernel is named eth0, and others are named according to Network device ...
IlorDash's user avatar
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My available space decreases when I deleted .local folder [closed]

I am using a Linux computer through ssh (I do not have root privileges). In my home directory, usually when I run df . I see the message below: $ df . Filesystem Size Used Avail ...
zdm's user avatar
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NFS - safely exporting a subdirectory of a filesystem

For context, I am assisting in administration of some poorly documented software that uses an NFS mount shared between a primary server and a failover server. The NFS server is currently exporting a ...
Wildcard's user avatar
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How do I close a stuck nfs connection

I use an external nfs server to mount a home directory into a kubernetes container. Sporadically when deleting the container, the nfs connection gets stuck in "waiting to close". The fallout ...
Daxcor's user avatar
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Home Server/NAS Plagued by random crashes

I'm here to get help for an issue which has been plaguing me for a year. I'm using HP Elitedesk 800 G3 i5-7500 as my Home Server/NAS. I have the latest Debian 12 (Bookworm) on it. I'm running my ...
Aciel's user avatar
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2 votes
1 answer
127 views

Building redundancy by creating multiple nfs mounts to a single location

I have been managing a small local Linux cluster for my lab, consisting about two dozens of Ubuntu Linux servers - half of those are headless servers (rack/tower), and the other half are used as ...
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Does my office/lab server need to be providing these services?

I'm trying to figure out what services my university Ubuntu 22.04 computer needs to provide to other machines. I often ssh into this machine and other computers in my lab use it as an NFS server. I ...
mikemtnbikes's user avatar
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How to map id in NFS export?

I have the following entry: /backup 192.168.0.35/32(rw,sync,no_subtree_check) My Server_prod has a user oracle with uid 1001 and my standby server has the same username oracle with id 54321 How to ...
Astora's user avatar
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I need help in getting auxiliary groups mapped on Linux NFS client from a Windows NFSv4.1 server

We have an IdM with AD trust in a mixed network environment. Our RHEL clients are joined to the IdM realm and Windows desktop/workstations are joined to the AD domain. IdM and AD realm/domain are ...
DCHS's user avatar
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NFS3 permissions issue for only some system users

My nfs share is mounted in an ubuntu 22 VM, root, ubuntu and a test user I created can all read/write. However the plex user created by the plex install cannot read or write. When I sudo su plex and ...
aegon52's user avatar
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192 views

NFS mount from Synology NAS, gives permission denied

I am currently trying to use a Synology NAS to handle storage through NFS for some other computers. My current problem is that I get permissions denied, whenever I try to read or write to the NFS ...
kjc's user avatar
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342 views

How to share user permission across different servers and NFS folders?

I have a 3 different servers running Ubuntu 20. One of them is configured as the NFS host, and the other two as clients. The clients can mount the NFS shared folders and can write content on it sudo ...
Javi M's user avatar
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2 answers
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NFSv2 on Fedora 38

I have the problem with NFS file system. Client could not connect to the server but the latter gets the request and grants access to the client. The configuration is the following. NFS Server Fedora ...
user23244551's user avatar
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ZFS nested datasets shown in KDE dolphin as mounted NFS shares. How to keep visible only parent mounted share?

I have the ZFS pool called zdata on our server which is mounted at /mnt/zdata, and it is also shared with NFS, so clients can mount it. The NFS share configured /etc/exports only for the parent ...
Ivan Lebedev's user avatar
1 vote
2 answers
167 views

Can’t get DNS IPs with NetworkManager during PXE boot

I’ve built a custom Buildroot with NetworkManager as the only networking daemon and booting my board via PXE. The problem is that /etc/resolv.conf is missing actual DNS IPs and domain. While kernel is ...
IlorDash's user avatar
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195 views

what causes an NFS mount to drop to vers=3 instead of 4?

In RHEL 7.9, there are a handful of directories in /etc/exports. On the nfs clients, they are all mounted as vers=4.1 except for one which gets mounted as vers=3 and mountproto=udp instead of tcp. ...
ron's user avatar
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Do bind mounts from NFS path create additional connections to the underlying NFS server?

I am designing the following setup: NFSv3 server Centos7 Client The client mounts an NFS share from the server to /mnt/nfs_share Now I want to create many read only bind mounts from that mount to ...
user48240's user avatar
1 vote
1 answer
176 views

How to prevent showmount from hanging?

We are implementing a web front end to manage NFS and CIFS shared folders. One part displays the available share points (exports) available from any arbitrary IP address. The backend uses smbclient -L ...
Danny's user avatar
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1 answer
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troubleshooting NFS mount loss showing d?

Running a cluster where compute nodes NFS mount the /home and /shared folder from a head node on a LAN - after some amount of time the nodes lose their NFS mount to these folders. When you log in to ...
ron's user avatar
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Is /etc/auto.net right? Seems like a typo

Like many people I've had trouble with machines hanging when the NFSv3 server was not available (switched off). I saw various suggestions , like soft/hard , intr, bg etc being set... not a lot seems ...
GraemeV's user avatar
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qBittorrent to CIFS share strange write spikes

This will probably get deleted, but I don't know how to write this without going on for paragraphs. I am having huge trouble trying to get qBittorrent to play nice with my new NAS (Synology DS1511+) ...
dhenry437's user avatar
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783 views

Rocky : How to change NFS versions from Version 4 to Version 3

On CentOS mount command was working like: mount -v -o nfsvers=3 publicip:/opt/NFSData /tmp/myshare As we moved to Rocky it stopped working. As metioned in redhat documentation, nfsvers= is not ...
Aman Pasi's user avatar
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0 answers
274 views

connection refused when showmount but I can connected to nfs server using mount

That's weird that I can't check showmount of an nfs server. But I can connected to the nfs client. I can read and write file from client side in mounted point # mounting in client mount -t nfs 100.96....
Muhammad Ikhwan Perwira's user avatar
2 votes
0 answers
70 views

Cannot remove directory on NFS client

On my desktop, in my home directory which is an autofs NFS mount, I try running: sw@client:~$ rm -fr ~/libraries/receiver/ rm: cannot remove '/home/sw/libraries/receiver/src/arduino/i2c-module/...
SusanW's user avatar
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NFS dir permissions changed not visible

I have an nfs storage mounted at /mnt/data. This is mounted across several VMs in the same mountpoint. I changed the permissions of the dir from 775 to 770. The change is visible only in one VM. I did ...
pkaramol's user avatar
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boot user's personal system from NFS

In my university we have a computer room with PCs with Linux installed. At the login the user's home directory is mounted over NFS using login credentials. I know that it is possible to boot the ...
Emanuele Paolini's user avatar
2 votes
1 answer
175 views

Problems with primary group (gid), secondary group and permissions

I hope my question is not repeated, as I have been searching the Internet for several days with different keywords and I can't find the solution to my problem with the permissions. I have a shared ...
Jokte's user avatar
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1 answer
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Help with Analyzing NFS Architecture in a Cluster Sharing a Home Directory Across Two Servers"

I Am very confused because I am trying to understand the architecture without documentation,we have a NFS architecture of a cluster of PCs that share the same home directory ( Server1 is a Pc of a ...
Matteo S.'s user avatar
1 vote
1 answer
2k views

Mac mini can't mount NFS shares anymore

It's impossible to mount NFS shares anymore on a Mac mini M1. It was working fine last week. There have been no changes in the network at this point. Couple of months ago I followed this guide to ...
Postie's user avatar
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1 answer
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Automount ext4 format thumb drive via NFS on a raspberry pi in cluster with fstab fails on reboot

I am trying to automount (on reboot) an NFS thumb drive onto another raspberry pies in a cluster using fstab. I have tried all the solutions on how to auto mount NFS drive on reboot using fstab https:...
Coddy's user avatar
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nfs-server.service won't start, bad exportfs entry persists

I'm using Proxmox and ZFS. Previously, I had set up an NFS share using sharenfs, on a now removed zfs pool (panzer). Over a year has passed, and I'm trying to set up a new NFS share. When I run ...
Daniel's user avatar
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245 views

Rocky Linux 9, NFS mount issues to ESXi hosts after conversions from Centos, NFS-Common is listed

Rocky Linux 9.2 [root@mediastore8 nfs]# uname -r 5.14.0-284.25.1.el9_2.x86_64 I have upgraded/converted this box from a long running Centos system. No hardware or other environment changes. I have 3 ...
Craig Curtin's user avatar
1 vote
1 answer
3k views

NFSv3 vs NFSv4 performance drop

I have two diskless systems setups. Both of them mount /home directory from the same server. The /home export is Kerberized and works without problems, only performance seems to be the issue. ...
Kamil's user avatar
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195 views

Hide folders on NFS mounts

I recently replaced Windows on my laptops with Linux and now I am using NFS instead of CIFS to access my Synology DS220+ NAS. A very annoying side effect is that I now have a directory called @eaDir ...
Gerald Schneider's user avatar
1 vote
1 answer
102 views

Can I fully utilize HDR Infiniband network throughput between servers and NFS volume?

I'm working on a project building a CPU cluster, and those servers and NFS storage (not a parallel file system) are going to be connected through HDR InfiniBand cables. In this architecture, can I get ...
Antenna_'s user avatar

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