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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3
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0answers
17 views

NetApp NFS Exports with all_squash

We've got a NetApp filer (v8.1.4) with a UNIX-style qtree sharing a volume to a number of different machines (web content for a cluster of front-end and application servers) over NFS. We're trying to ...
4
votes
3answers
3k views

How to get decent NFS performance for workloads like git?

I manage a vagrant setup for our developers running OSX to manage VirtualBox systems for development. In order to support inotify inside the linux machine, we eschew the usual method of sharing ...
0
votes
0answers
13 views

Preparing dev environment over ssh

I'm trying to prepare dev environment on developer machines through SSH (cifs/nfs also can be used). The main structure looks like this: there is each unix machine with all required servers configured ...
3
votes
1answer
1k views

How to achieve multiple NFS/TCP connections to the same server?

I'm trying to maximize the NFS/TCP bandwidth between a Linux client and a single NFS server over a 10Gbps link. Although each NFS mount has its own device (major/minor), everything comes down to a ...
0
votes
1answer
1k views

NFS lock not working properly

I'm getting the following error on an oracle database. ORA-27086: unable to lock file - already in use It tries to lock a file that resides in an NFS mount. The NFS is on a loopback setup (long ...
0
votes
1answer
21 views

NFS Server | Hung threads

We have four lpars each running 1 java instance each. They do a lot of read/write operations to a shared NFS server. When the NFS server goes down abruptly, all the threads that were trying to read a ...
0
votes
0answers
16 views

Windows Server 2012 R2 NIC Teaming NFS Share ESXi

Having some strange issues with NIC Teaming when using 2012 R2 NFS for an ESXi 5.5 Datastore. Firstly I teamed two Intel NIC's on a separate VLAN via a Gigabit switch to two Intel NIC's on ESXi and ...
16
votes
4answers
103k views

Which ports do I need to open in the firewall to use NFS?

I'm running Ubuntu 11.10 - setting up NFS to share a directory among many other servers. Which ports are required to be opened on the firewall?
5
votes
2answers
1k views

Mounting NFS3 using Kerberos and AD

I've got a Linux server (Centos 5.6) that needs to automount home directories from a Windows (Server 2008) NFS share using Kerberos. The share mounts (with the nobody user and group) if authentication ...
1
vote
1answer
1k views

NFSv3 + ACL: mask is gone on clients

I'm sharing a NFS folder among a user group. The default umask on the clients is 0700, and this is a problem because newly created files won't be readable/writable by another users. So, I'm using ...
6
votes
2answers
17k views

“Stale NFS file handle” after reboot

On the server node, it is possible to access an exported folder. However, after reboots (both server and client), the folder is no longer accessible from the clients. On server # ls /data Folder1 ...
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votes
0answers
19 views

Force Linux to reload passwords [closed]

I have a small cluster of Linux computers. To make administering them easier, they share via NFS the /home directory of the master computer, as well as the files that describe the usernames and ...
1
vote
0answers
21 views

R packages - Should I mount /usr/share/R/library

We have a small cluster of linux machines (~15) with up to 20 users. Over the last few years we have written a few basic R scripts for doing basic statistical analysis. The problem I have had as a ...
0
votes
0answers
15 views

Encrypted network share for multiple users

I have the following scenario: 100GB of data 5 users should be mounted on two different servers the servers are all running Ubuntu users are accessing/writing to it at the same time (not the same ...
1
vote
0answers
15 views

How can I test whether fcntl() locks work with my NFS setup?

From the SQLite FAQ: Can multiple applications or multiple instances of the same application access a single database file at the same time? … SQLite uses reader/writer locks to ...
0
votes
1answer
2k views

CentOS 5.4 NFS v4 client file permissions differ from original files & NFS Share file contents

Having a strange problem with NFS share and file permissions on the 1 out of the 2 NFS clients, web1 has file permissions issues but web2 is fine. web1 and web2 are load balanced web servers. So ...
0
votes
0answers
9 views

NIS client is not able to change password using yppasswd in OpenSuse 13.2?

NIS Server - OpenSuse 12.1 NIS Clients - OpenSuse 13.2 At NIS Client: nisuser@opensuse13.2:~> yppasswd yppasswd is deprecated, use /usr/bin/passwd instead Changing password for nisuser. Old ...
2
votes
1answer
1k views

NFS mounts not visible for other users in system

Recently I faced an issue of limited visibility of mounted NFS shares on windows 2008 server. Situation is like this: as user A I have mounted NFS share (from linux server) as User A I'm executing ...
2
votes
1answer
5k views

When a samba server shares NFS4 mount directory, window clients cannot copy file. ERROR: 0x80070021

The error reported by windows client is like this ERROR: 0x80070021 The process cannot access the file because another process has locked a portion of the file. I google it and hit samba bug report ...
1
vote
1answer
129 views

Random machine hangs with NFSv4 on CentOS/RHEL 6.5

We have an in-house "compute farm" with about 100 CentOS (free re-distribution of RHEL) 5.7 and 6.5 x86_64 servers. (We are in the process of upgrading all the 5.7 boxes to 6.5.) All these machines ...
0
votes
1answer
2k views

NFS Share with root for anonuid / anongid

I've exported a share from my server and set anonuid and anongid to be 0 (root). However, when I mount the share on the client, it doesn't appear my settings are working as I'm getting permission ...
1
vote
2answers
919 views

Proxmox - backup OpenVZ on NFS

I'm using Proxmox 3.2 with OpenVZ containers and I'm trying to setup a backup system for my 2 nodes cluster. I created a NFS share on a Debian 7.5 server (not under Proxmox, and not inside the ...
2
votes
1answer
24 views

Inconsistent file content on NFS

We use NFS to access (read/write) data in our scientific research group. After a recent switch from openSUSE 11.3 to 12.3, we frequently encounter a problem where a file is created and written to in ...
0
votes
0answers
605 views

Windows : Map-a-network-drive to a remote Shared-Folder (on QNAP NAS) using OpenVPN

Provided my lack of networking knowledge, I've been struggling with this issue for quite a few days now : I have a QNAP-TS212 NAS on which i've created a shared-folder (mostly excel files). All the ...
0
votes
2answers
16 views

Unreliable NFS with large number files in a directory

I have a NFS directory mounted on a host. That directory has 0.6 million log files now, and will have 1.6 million eventually. The files are small, most of them are less than 1MB. The problem is that ...
2
votes
2answers
62 views

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 ...
0
votes
2answers
1k views

NFS on Btrfs on multi-devices .vs. Glusterfs on distributed-volume?

I considering a storage for Email. This storage system run on my own private cloud (already replicated), then i does not care about replication. I'm thinking about 2 options: 1- I will create few ...
-2
votes
1answer
18 views

XEN Server NFS SR read only

We have two Boxes running XEN XCP. One SR is located on an FreeNAS 9 NFS share. For some reason the NFS share turned read only which is pretty bad for one VM whose VDIs are located on the NFS SR. I ...
1
vote
2answers
11k views

Problem with NFS server lockd timing out on Debian linux

We've recently upgraded an NFS server (called "ian"), and after the upgrade, NFS is broken, whereas it wasn't before. The server is now running Debian "lenny", with kernel version 2.6.26-2; it's a ...
0
votes
0answers
56 views

NFS mount on Windows 8 non-enterprise

I've read the answers to a similar question, but I'd like to ask it here with a very narrow scope. Assuming Windows 8, not enterprise (which means no services for unix applications providing native ...
1
vote
1answer
172 views

HPC / EC2 - optimizing NFS for relialibility

In AWS-EC2, I've set-up a cluster of linux virtual machines made of an NFS fileserver and many clients. If the number of clients is above ~20, under heavy I/O, I am experiencing loss of file ...
0
votes
1answer
1k views

Mounted NFS directory not writable by Apache / PHP

Need some help here with NFS. Here's what I have (all servers running CentOS 5.6 with SELinux): 172.17.20.1 - Primary server with static IP. Varnish redirects requests to the web servers. 172.17.20.2 ...
6
votes
4answers
2k views

Serving static files with nginx over NFS?

I have a website that is getting about 7k requests per seconds on a nginx server. This server both handles rewrites to an Apache server as well as serving static files, images, etc. directly. Static ...
2
votes
2answers
56 views

Is there a valid stability argument against NFS?

We are adding a feature to our web app where uploaded files (to app servers) are processed by background workers (other machines). The nature of the application means these files stick around for a ...
0
votes
1answer
21 views

Windows NFS client keeps writing read-only with on NFS server with squash_all

We have a Debian 8 with an NFS server exported with "/client-share *(rw,sync,no_subtree_check,all_squash,anonuid=1000,anongid=1000)" that works just fine when transferring files from a Windows ...
3
votes
1answer
77 views

NFSv3 client differences in read/write performance

I'm taking care of a few servers that make relatively heavy use of a NFS filer. At crunch time a single server sends about 2k reads + 2k writes per sec to the filer. According to nfsiostat at these ...
0
votes
1answer
14 views

nfs, mounted loop devices

I'm usign a Debian server (Jessie) as an NFS server. All exported NFS-shares are mounted filesystems using loop devices. They are mounted in the fstab without any special options & the mountpoints ...
1
vote
4answers
5k views

Mount NFS from PowerShell on Windows 2012 and be visible elsewhere

I'd like to mount an NFS share from Windows 2012 using PowerShell and have this mount be visible in contexts other than the PowerShell session that invoked it. If I use the New-PSDrive command ...
1
vote
1answer
1k views

Netboot Debian (wheezy) from NFS v4

Is it possible to boot Debian Wheezy from NFS v4? Bootwing with NFS v3 works just fine. NFS v4 not. This is in my /etc/exports: /nfs ...
2
votes
7answers
6k views

When using NFS, how do I make user A on the server appear as user B on the client?

I have a couple of servers on which the UIDs and GIDs are different for the same user names and group names. When I NFS mount a directory ostensibly owned by the same user from one server to another, ...
3
votes
1answer
1k views

How to force use of tcp instead of udp for rpcbind?

I'm trying to use tcp/111 for rpcbind under Debian Wheezy instead of udp/111. The portmap in Squeeze uses tcp/111 without any special configuration, but Wheezy fails. Even numerous sites (as well as ...
0
votes
1answer
1k views

FOG Server NFS Issue

I am having an issue with the Free Open Ghost server. I set it up on Ubuntu server, and have Ubuntu mounting an SMB share to it's /images directory (my server has a small internal boot disk). Fog's ...
0
votes
1answer
2k views

Amazon Linux AMI for NFS between multiple EC2 servers

So I've been trying to create a Dropbox like system to allow multiple EC2 instances to work with the same files. I'm writing the programs that actually modify the files myself, and I'm not worried ...
0
votes
2answers
2k views

How to mount an NFS share in a VM guest?

We have a machine with Win7-x64 installed. On this machine, with VirtualBox, we're running a guest Fedora-x64. We've defined an NFS share on this Fedora instance. Here is the entry in /etc/exports: ...
3
votes
1answer
2k views

Why does the “nocto” NFS mount option in Linux not prevent flush-on-close?

I've been learning about the close-to-open policy of NFS, which causes each file to be flushed to the server as it's closed, to ensure consistency across clients. (See ...
2
votes
2answers
32 views

Restrict access to .ssh folder over network shares

I run a small server running Ubuntu Server 14.04 and have just noticed that the .ssh folder in the users home directory is accessible via SMB and NFS. The SMB and NFS are both secured, however I ...
0
votes
1answer
1k views

Static NFS mounts vs autofs direct map mounts

We are in the process of re-designing our NFS service and are at a point where we can choose either to mount our NFS shares statically from /etc/fstab at boot or as autofs direct maps. In our new ...
0
votes
1answer
1k views

Ubuntu client can't mount Nexenta NFS

I have a Nexenta storage box (Solaris), which exports an NFS share. Mac OS X and older Ubuntu clients can mount the NFS share just fine without any special options. Later version of Ubuntu simply ...
1
vote
0answers
36 views

Windows NFS Share: Allow Linux uids

I have a couple of NFS shares set up on my Windows Server 2012 box, but they only allow Linux users with uid 0 to access them (aka the root user). How and where do I specify that I, for example, want ...
1
vote
1answer
44 views

Unable to mount NFS share

I have 3 servers : Server1 : Stores my data. Had a exported folder. Debian 7 - Linux 3.2.0-4-amd64 on x86_64 Server2 : "Client" where is the Server1 exported folder is mounted. Debian 7 - Linux ...