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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questions
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Rsync does not preserve timestamp if ownership change fails
I'm trying to sync data to a NFS share while preserving timestamps.
Original file:
-rw-rw-r-- 1 simon simon 1554756 Apr 18 2017 IMG_0578-Bearbeitet.jpg
Used rsync options are -avh --progress.
...
0
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10 views
How can I check if the network interface used for an NFS mount is connected?
I have an NFS server that I connect to using different networks depending on circumstances. Sometimes I might use Ethernet, sometimes I might use Wi-Fi, sometimes I'm connected to a different network ...
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21 views
Force NFS server to start after iSCSI targets connected
I have a Ubuntu machine that takes an iSCSI block, mounts it as ext4, then exports it as an NFS share. On boot, NFS fails to start as the iSCSI directory mounts have not loaded yet.
"exportfs: Failed ...
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1answer
21 views
NFS mount fails on boot although IP Address is configured
I am trying to mount my NFS shares at boot time on a Raspberry Pi 4.
It does not work and systemd complains that the network is unreachable.
Manually mounting each shares works as expected.
I have ...
0
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1answer
51 views
du AND find -ls
I have a Solaris 10 server that has mounted a remote filesystem via NFS. I believe the remote system is a NetApp, but it's not clear.
When I run df -h <mountpoint> I get size 12T, used 10T ...
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18 views
NFS4 “Stale file handle” after server reboot
I've researched a lot on this and have concluded that this is actually a bug of Linux NFS, as all similar questions don't have satisfying answers, like,
Stale file handle after server reboot
"...
0
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3answers
39 views
How to install nfslock daemon
I want to learn the NFS locking mechanism I surfed on net. Using nfslockd or rpc.lockd we can do. But in Debian there is no package. Anyone please help me whether shall we do or not in Debian.
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12 views
NFS sync issue: ssh-remote file creation taking too long to be registered locally
We routinely run make or scripts via ssh on another (let's call it "remote" even though it's in the same LAN) machine, to use the software installed there. Both the local and remote machines operate ...
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0answers
16 views
Unmount data volume hosting NFS exports
So I've got a customer with two NFS server setup in a pacemaker cluster active/standby configuration. It is a legacy system running RHEL6. On the servers there is /mnt/data1 which is an xfs mountpoint ...
0
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0answers
33 views
Permission issues with NFS exporting FUSE (mergerfs) filesystem (git permission issues)
I have a mergerfs filesystem /data which merges /data1 /data2 /data3 /data4, each of which are ext4 filesystems.
I am exporting the directory /data/coihome (actually a directory in /data3) via NFS to ...
1
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1answer
43 views
why does NFS require synchronized system clocks?
In multiple tutorials abouts setting up NFS, there are recommendations about setting up NTP as well to avoid differences between the clocks of the different systems.
Do clock drifts affect the file ...
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1answer
22 views
Some directories empty in mounted NFS directory
From a client computer running macOS I connect to a directory on my Debian server on the local network using the address nfs://192.168.0.14/mnt/archive/foo. The strange thing is that some directories ...
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39 views
Issues with NFS share - unable to mount
Ahoy friends. Today i set up my PXE server using dnsmasq as DHCP proxy as well as tftp server. I wanted to set up a grub menu to be able to run Windows ISO files in EFI and Legacy mode, depending on ...
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0answers
24 views
Set up nfsroot for GRUB PXE
Ahoy friends.
Some time ago i had a similar question but now im closer to the solution.
I set up a simple grub menu on my tftp/pxe server.
I want clients to be able to boot iso files in efi as well as ...
0
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0answers
11 views
stat command unable to update the modified Time for a mounted file, but when mounted through shell , stat works
I am using stat command to check if the mounted file got updated recently, when I issue mount command on bash i can see stat works, where any modification to the mounted file updates the Modify time ...
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0answers
81 views
How to mount Raspberry Pi directory to Asus RT-AC68U Router
An Asus RT68U is outfitted with Merlin Firmware and USB flash drive. A Raspberry Pi is pinned to a static LAN IP address at 192.168.1.115. The goal is to mount a raspberry pi directory to the RT68U. ...
0
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0answers
11 views
Run httpd as domain account for NFS-mounted storage
I have this VM running CentOS 8 that hosts a web app. I want the files for the web app to be hosted over NFS on a dedicated file server so I don't have to deal with virtual disk sizing (because they ...
0
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0answers
48 views
Linux groups lose write permission on new directories (NFS)
I have an NFS server with many individual users, and each user has exclusive write access to their personal directory. Some users want to have spaces where their teams can write in directories, ...
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0answers
75 views
CentOS 8 NFS - showmount hangs
I have NFS server running on Rhel 7.7 and trying to mount from CentOS 8..
Mounting itself works fine, i can mount it and it works, but when i try just to search for shared folders by showmount -e it ...
0
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1answer
27 views
Firefox file browser across NFS mount
On Rhel 7.6 / firefox 52.8.0
I'm trying to navigate through my filesystem via the firefox URL using an entry like file:///tmp. Certain directories are showing up with access denied errors. Most ...
1
vote
1answer
49 views
Stale file handle after server reboot
I have an NFS server on a Pi 4 which works rather well except I'm often getting "Stale file handle" on the client after rebooting the Pi. That is while the client has the share mounted, the Pi reboots,...
0
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1answer
11 views
start-stop-daemon - strange behaviour
My setup
There is a box containing an NSLU2 (aka a "slug") controlling a church heating system and running Slugos (which is essentially Linux 2.6.27.8 - the IOT tends to be running somewhat ancient ...
1
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1answer
38 views
What size blocks does NFS server write to disk?
I am trying to calculate required IOPS for a fileserver, and to do this I need to know the typical block size. I know that NFS clients can use rsize and wsize to specify how much data is sent over ...
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0answers
46 views
Permission denied to NFS directory 0770
In my workplace we have a shared NFS storage mounted on a computing cluster. The working group's parent directory and each user's directory in it have 0770 permissions so we should be able to have ...
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0answers
17 views
Is there an easy way to restrict users to their home directory using NFS?
With FTP you can configure the vsftpd.conf file and use "chroot_local_user=YES" to restrict users to their home directory. Is there a way to do something similiar but with NFS? (network file system)
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0answers
18 views
Solaris automount hanging after hostname change
Having spent most of my time on Linux boxes over the years, I found myself inadvertently changing the name of a Solaris 10 zone by issuing a hostname -f command. In Linux, this is "show me the host ...
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0answers
62 views
Are file deletions in Linux's implementation of NFSv3 synchronous by default?
I see that the NFS client can be instructed to make file writes synchronous via the sync mount option or the O_SYNC open flag (as they are asynchronous by default), but I don't see any indication of ...
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0answers
49 views
Mount overlay directory containing NFS shared mount
I have a directory /tmp/usr/usr. In this path I mount NFS share from an other machine:
mount -t nfs IP:/export_path/usr /tmp/usr/usr
The contents of the remote /usr is there. But when I try to ...
1
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0answers
35 views
Rsync bottlenecks
Are there options to diagnose rsync bottlenecks, in particular to figure out the read time, transfer time, write time and possibly compression time and other overheads ?
In my current case, it's going ...
0
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0answers
67 views
NFS IPv6 - configure server,client,firewalls, update
I'm having trouble configuring NFS server and client for IPv6. There is no problem using IPv4 in this but with IPv6 no such luck.
My current try is this:
server:/etc/exports
/export/hat 2001:.../...
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0answers
19 views
NFS client not see one share
I have separate partitions on server: boot, home, tmp, usr, var, data. I want to share it through NFS. I have created bind mount for root directory to /srv/nfs.
/ /srv/nfs none bind,nofail 0 0
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1answer
115 views
Linux gives an ephemeral port that is already used and bind on any interface “::” by the NFS service
I have a Java socket server that was created with ephemeral port (bind with port 0) on "localhost". However, after it is up and running, the netstat shows that there is another process listening to ...
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0answers
28 views
ACLs on NFS mounted directory
I'm trying to set an acl on the contents of a directory so all members of a group called prod_grp can write to a directory that is NFS mounted from another server. The acl is below:
# file: prod-...
2
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0answers
23 views
NFS share not showing all directories
I have 2 servers, Server A & Server B. I am trying to share a directory from Server A to Server B at the following locations. Both servers are running Ubuntu Server 18.04.3 LTS.
Server A: /home/...
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0answers
18 views
How can I mount multiple nfs server that mapped on one internet IP?
I have 5 nfs server hosted in IDC, and IDC can only mapping my server's port to same internet IP. So I let IDC did these port mapping:
Server A:192.168.0.1:111 -> 118.x.x.x:10001;192.168.0.1:...
0
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1answer
55 views
systemd fails to umount manually mounted NFS shares in initramfs
My diskless laboratory computers do not shutdown properly because systemd probably do not handle properly manual NFS mounts in initramfs. I'll describe shortly what is happening:
I created initramfs ...
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0answers
92 views
nfs export to ipv6 client
My NFS exports are accessible via IPv4 to a number of hosts on my LAN.
I want to make these exports available via IPv6 so that I can mount them to my laptop when I'm away. When I'm away I can access ...
0
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0answers
28 views
Restricting NFS share access to particular IPs or hosts and restricting others on suse
I have created a shared folder /data01/share on one Suse Gnu/Linux and also made entry for host(client) machine in /etc/exports /data01/share 10.241.200.53(rw,sync,no_root_squash,no_subtree_check) . ...
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0answers
24 views
How to check connection bettween client computer and NAS device
I am using Computer Ubuntu 18.04, and i mount folder /vms-data with shared folder on the Synology device (NAS, IP = 10.0.0.161).
sudo mount -t nfs 10.0.0.161:/volume1/VMS /vms-data
And the result ...
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1answer
56 views
Is NFS a protocol or a program? [closed]
For example . HTTP is a protocol. Client applications are Browsers and Server application can be Apache . Both client and server application communicate via the HTTP protocol .
Now is NFS(network file ...
0
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1answer
441 views
mount a NFS volume on a container
I have a NFS server that export a file-system.
showmount -e nfsserver
Export list for nfsserver:
/opt/application/aghas0/docker client1,client2
on the client2 server I have mounted the file-system ...
1
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0answers
273 views
Specify UID/GID for NFS mount (CentOS 7)
I have two servers svrA and svrB (both CentOS 7), where svrA is a turn-key system so I cannot change anything on it, and svrB is the one I am working on. svrA contains log files I need to transfer to ...
0
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0answers
128 views
File size more than allocated nfs space
W.R.T du space more than the disk size
I am seeing a similar situation wherein nfs mounted share has been allocated 100G ( as seen in df ) however there seems to be a file with size 2.1TB inside it.
...
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0answers
298 views
NFSv4 Errors, But Not in NFSv3
I'm working on an NFS solution for RHEL6.5 clients (all VMs) with RHEL6.5 and RHEL7 hosts. Currently, the RHEL7 host with RHEL6.5 clients works fine. The trouble is with the RHEL6.5 host.
These ...
0
votes
1answer
44 views
How can i check if a folder auto mounted on NFS share?
There are a folder /collect, i want to determine if this folder are auto mounted on NFS share.
I got a method or tips like: "ls /collect" use "mount" to check if /collect on h%svcnfs1:/export/shared/...
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0answers
23 views
deboostrap overlay-like/union filesystem and network boot?
I'll describe the situation first: I'm trying to create a network booted Linux (Debian) for about 200 workstations. Unfortunately, those workstations become hardware-heterogenous in previous years; ...
3
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0answers
239 views
What happens when you disable NFS server delegation?
We are facing issues with NFS 4.1 on RHEL 7.6. We have a lot of applications on this server and GitLab is one of them and it is impacted the most.
Excessive NFS network traffic (due to a bug with NFS ...
0
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0answers
21 views
Share NFS without sharing top level directory?
We recently had a situation where a user could mount a top level directory even though it was not in the /etc/exports file on our RHEL server. Is there a way to stop this and only share out sub-...
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0answers
125 views
AWS EFS: unable to mount on amazon linux using amazon-efs-utils
I have created a simple EFS and trying to mount it to my AWS EC2 which is using amazon-linux distribution.
I have been following the very simple instructions given there,
I login to the my EC2, then
...
2
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1answer
80 views
Invisible file footprint (du vs df)
I am aware of the expected reasons that du and df will report differences, however I cannot imagine these would justify the discrepancy I am seeing:
[root@example.com mynfsmount]# df -h /opt/...
