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Questions tagged [nfs]

Network File System (NFS) is a network file system protocol originally developed by Sun Micro systems in 1984, allowing a user on a client computer to access files over a network in a manner similar to how local storage is accessed. NFS, like many other protocols, builds on the Open Network ...

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22 views

Mounting NFS servers with Docker/Kubernetes containers, without using insecure mode on the server

I'm trying to containerize an web application. As part of its operation, it requires access to four separate NFS mount located on different hardware. Two of the mounts live on a regular Linux box, but ...
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7 views

Mount NFS Share In Windows On Non-Standard Port

I have an NFS server on a Linux machine bound to a non-standard port. I can map it on another Linux machine using them command: mount -v -o port=$PORT $IP:/ /$MOUNTPOINT, but I can't seem to find any ...
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13 views

Windows 2012: First NFS I/O After Reboot Hangs

I have a 2012 R2 server configured to export a folder over NFS to Linux clients using defaults to mount. After the server reboots, the clients are able to read attributes once again after a minute or ...
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1answer
20 views

gssd: What is <anyname>?

rpc.gssd's man says: rpc.gssd searches in the following order for a principal to use. The first matching credential is used. For the search, <hostname> and <REALM> are replaced with the ...
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11 views

mount problems with keepalived, glusterfs and nfs-ganesha

I installed glusterfs, keepalived (using one VIP for both servers) and nfs-ganesha on two servers. So far, everything is working. But there is a problem when I try to mount from a third server: When ...
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30 views

~1300ms latency touching file on nfs mount

I have an NFS mount where the server is on the same subnet as the client. When I time touch testempty from the client, I get: touch testempty 0.00s user 0.00s system 0% cpu 1.325 total The time ...
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4answers
85 views

Best solution for docker volume persistance [closed]

I'd like to setup proper way to persist docker volumes. Currently all our docker volumes are local only, so in case of server failure our data are lost. I'm thinking about buying two servers and ...
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1answer
26 views

what are the differences between addr and mountaddr NFS mount options?

I realized that the /proc/mounts include some parameters which are not shown in the /etc/mtab file and by the mount command. For instance, mountaddr. In my Linux boxes both values addr and mountaddr ...
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40 views

Generate LetsEncrypt Certs to NFS share

Im trying to generate a letsencrypt wildcard cert to use on various websites (one FQDN, multiple subdomains). The plan is to save those certs on a NFS share I have to easily access them on various ...
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1answer
12 views

iostat %util for NFS mounted shares available?

Is there a way to calculate, from the client, the "% util" of NFS mounted disks? I know with iostat, with locally mounted disks you can see %util Device: rrqm/s wrqm/s r/s ... ...
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26 views

Retry mount NFS share if failed

I have a NFS share that mounts from /etc/fstab, so that it mounts on boot. But if the NFS share isn't available on boot, how can I make it so that it retries until it can mount it?
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61 views

Would a firewall occasionally disconnect an CentOS 7.3 NFS client?

When large read and write operations are conducted on a NFSv4 share on a CentOS 7.3 client, I notice that the NFS mounts often time out. Does a fresh, out-of-the-box installation of CentOS 7.3 ...
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1answer
18 views

Some files created years into the future in NFS mount to AWS EFS volume

We just saw a couple files get created years into the future on an EFS volume over an NFS mount from a Linux EC2 instance. The "Change" time is correct, but the Access and Modify are years out. Has ...
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39 views

Troubleshooting NFS mount RPC timeout issue

I have a NFS server up and running on 10.77.123.50. However, I get a RPC timeout when I try to mount this server. Background: Both server and client are on CentOS 7.4.1708. iptables is stopped on ...
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41 views

Kerberos keytab for NFS doesn't work if not created in server

I'm trying to mount a directory into a client server using kerberos authentication. If I create a keytab file using using kadmin in the server, I cannot get authenticated when I mount the directory. ...
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2answers
65 views

How to mount with uid and gid using NFS?

I would like to mount an AWS EFS location with the efs driver which internaly uses nfs. Now the question is: How do I automatically mount a location with specific uid and gid? With sshfs e.g. I would ...
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1answer
135 views

Oracle Linux won't mount CentOS NFS share, but Arch will

I'm trying to get kerberized NFSv4 running on our network. Server is CentOS 7. I'm able to mount the share on my Arch Linux workstation, but not our Oracle Linux 7 database servers. I'm trying to ...
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1answer
61 views

NFSv4 hangs on mount

NFS mount commands hangs on client indefinitely after server reboot. I am running this command : mount -t nfs -v 10.17.25.27:/DATA/projects/assets-db/log-apache test My NFS server is : 10.17.25.27, ...
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19 views

What is the meaning of the RPC debug flags of Linux' kernel NFS server?

According of rpcdebug’s manpage, the NFS daemon has the following debug flags to choose from: sock, fh, export, svc, proc, fileop, auth, repcache, xdr, and lockd. Curiously enough, I was unable to ...
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31 views

What are the prerequisites on the host for running an NFS server in a container?

I want to run an NFS server in a privileged Docker container. A simple “modprobe nfs” on the host is not sufficient according to my tests – starting an NFS server in the container says “Not starting ...
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10 views

NIS client doesn't automount the home folder

I am setting up a computing cluster, and have been tasked with setting up a NIS server and client environment. So far I have been successful on every front except for the NIS clients are not mounting ...
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2answers
87 views

NFS kerberos not working

I'm trying to authenticate to another server with kerberos and I'm getting the following response: [root@ip-10-1-5-59 nfs-test-1]# mount -t nfs4 -o sec=krb5 kbserver.example.com:/ /home/ec2-user/...
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15 views

NFS client recv from server timed out

I haven't been able to figure out why the client cannot mount/use the nfs share I setup. It DOES mount another nfs share, so I'm trying to figure out what is wrong host side. This is a Fedora 21 host. ...
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42 views

NFS Slow randomly until network restart

I have an Ubuntu 16 NFS server running, I recently switched network cards in it, until that switch it was fine. At random times it will get super slow browsing NFS, randomly. The only way to fix it ...
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1answer
34 views

Mount NFS4 share as different user

I have an AWS EFS NFS4 share (shareA) that is mounted by some servers where all files are owned by userA/uid=800. I'd like to mount that share onto the b-series servers, configured to look like userB/...
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1answer
84 views

Apache 2.2 reading from NFS returns 404 for about one minute even if the file exists

I have a CentOS release 6.6 (Final) distro on which is running a Varnish instance (port 80) and Apache 2.2 (port 81). Apache reads file from a NFS. The issue I am facing (not always but most of the ...
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26 views

Collectd on Solaris NFS server

I have collectd running on an NFS ZFS Solaris based server gathering NFS performance data points. Where does collectd store this information by default.
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97 views

Nginx cannot access mounted directory to serve static files

We use the classic Django/Nginx/Gunicorn-combination for our website. It was decided a while ago to use a NFS-mounted directory for our media files (using this tutorial), so that's what we're using ...
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475 views

NFS server not responding still trying

I've got two NetApp NFS shares which are mounted by each a single client. When copying files onto the shares the clients hang and in the "/var/log/messages" logfile "NFS server xxx not responding, ...
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1answer
102 views

ESXi 6.5 NFS41 always mounts as Read-Only

I'm trying to mount my NFS41 share from my Freenas box onto ESXi for backup purposes. However, it always mounts as read-only for some reason. I have tried from the GUI as well as the CLI with no ...
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25 views

Best way to change NFS source on live mount?

We’re switching storage arrays and I need to change the source nfs server on a bunch of our systems’ mount points. Some were pretty easy to do, but one mount in particular is tricky because machines ...
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61 views

Ubuntu 18.04, NFS mount over VPN goes stale, requires manual re-mount

trying to figure out how to fix this. I have two sites connected through an IPSec VPN, with an Ubuntu 18.04 box at site A mounting over the VPN to an NFS server at site B. Works great, except: every ...
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1answer
45 views

Automount LDAP home folders in client machines

I have created couple of users on my ldap, and setup a couple of ubuntu ldap client machines, where users can login with their accounts. I now want to share their home folders and make it centralised ...
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1answer
74 views

Files Not Appearing in S3 File Storage Gateway Bucket

I created an AWS S3 File Storage Gateway and mounted it to a Linux server on-prem. On that same server where the file gateway is mounted I have a separate NFS share mounted. My goal is to copy files ...
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1answer
22 views

Routing of symlinked files via NFS

I have several disk servers (call them A, B, ...) exporting NFS shares. To simplify the access to data I created a folder in an NFS share on another machine (call it Z) with symlinks to all the NFS ...
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1answer
653 views

NFS mount Permission denied

I created a user and a group with the same uid and gid on the NFS server and the NFS client side. The export on the server side looks like this: /volume1/nextcloud *(rw,async,no_wdelay,...
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46 views

sendip IPv6 ICMP ff02::16

I would like to send the following packet out with the sendip program (or any other program): IPv6, destination address: FF02::16, source address: (mine) ICMPv6, type: 143 (Multicast Listener Report ...
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1answer
25 views

NFS “-mapall” doesn't include anonymous clients?

I am accessing Unix-like NFS servers using Client for NFS in Windows Server 2008 R2. Since the server is not part of AD, and there is no "User Mapping server" active, the documentation states that ...
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154 views

How to do logging in a NFS share

I'm trying to log events occurring into a NFS share. But I don't understand the difference between the usage of rsyslog and auditd in the logs of a NFS share. Is rsyslog required to log events ...
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58 views

Couldn't chown to remote NAS box

I have a NAS drive connected to one of my servers w/NFSv3. The problem is, a while ago some of the numeric UID's have changed on the system and those users are no longer able to access their files on ...
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116 views

How to view audit logs on the server

I'm trying to do a nfs share. I've configured the share. Now I want to view the logs associated with the files in the nfs share. I've created a centralized log server. I don't know the difference ...
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1answer
24 views

Mounting hangs the terminal

I am creating a NFS share. I've configured the NFS server and also the NFS client. My share was working perfectly fine until yesterday and now I found out it doesn't work. I redid all the steps of ...
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0answers
124 views

NFS share from windows server fail to mount on linux

I setup a nfs share on a Windows Server 2012 R2, I have tried several different configurations (authentications, share permissions etc) but linux client keep getting error with invalid arguments. ...
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0answers
188 views

Ubuntu 18.04 - Mount NFS with FQDN not resolving address

Trying to mount /home directories to a NFS share. SERVERURL:/nfstest /home nfs vers=4,proto=tcp,intr,bg,rdirplus 0 0 However, in syslog it says that it cannot resolve the address. I'...
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1answer
235 views

NFS mount across EC2 instances as alternative to EFS

I'm configuring an application to run in AWS in "full-framework" deployment. One aspect of this deployment requires each server to be able to see a common storage location. They recommend using a ...
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2answers
227 views

NFSv4 mapping UID and GID on Debian Stretch

I use the following setup: NFS Server (Ubuntu 16.04 LTS) nfs-common 1:1.2.8-6ubuntu1.2 nfs-kernel-server 1:1.2.8-6ubuntu1.2 user: test (uid=1300) NFS Client nfs-common 1:1.3.4-2.1 user: testmf (...
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1answer
206 views

LDAP authentication NFS home mount with local login

I have a configuration that normally user home is automatically mounted after ldap authentication. What I want to learn is how can I mount ldap authenticated nfs home of a user with local login? Is ...
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0answers
108 views

Monitoring NFS mounts for existence

The issue we are seeing is that some of our NFS mounted directories are disappearing. Literally just disappearing. They continue to exist at the server end. At the client (CentOS 7.4, using el-repo's ...
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90 views

Powershell FileSystemWatcher not monitoring NFS share

I have a Powershell script which monitors several mapped drives for new files. Most of the mapped drives are other Windows systems. One is an NFS share on a Solaris system. Code snippet below: clear #...
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60 views

NFS Mount hostname listed as something different from what was entered

Assume there exists a nfs server foo1. A client machine contains a hosts file with the following entry 172.168.1.2 foo1 foo2 foo3 which points to that server and a few aliases. Also assume that /...