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 ...

learn more… | top users | synonyms

0
votes
1answer
32 views

MySQL, NFS and symbolic links

I have been migrating an older server running apache2 + mysql under ubuntu to a new server running debian (wheezy). The migration works fine while the databases are storted localy (in our case ...
0
votes
1answer
1k 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
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
13 views

Circular directory structure

I'm having an issue with a circular directory structure warning produced by du and find on my CentOS servers. I have two FreeNAS servers exporting several datasets via NFS which are mounted on the ...
1
vote
1answer
920 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 ...
3
votes
2answers
2k 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
1answer
1k 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 ...
0
votes
0answers
10 views

OpenNebula glusterfs cannot create on volume

I try to create a VM on my gluster volume, it fails with the following message: Wed May 20 20:37:30 2015 [Z0][DiM][I]: New VM state is ACTIVE. Wed May 20 20:37:30 2015 [Z0][LCM][I]: New VM state is ...
1
vote
2answers
22 views

awstats server in dynamic infrastructure

I have a linux server dedicated to awstats. This server hosts awstats application and generate/publish statistics for several websites hosted by several webservers deployed in my infrastructure. In ...
0
votes
1answer
17 views

NFS client, ZFS Server ZoL: cat to changed file ends with not found

We get in trouble since an update from our clients from Ubuntu 12.04 to Ubuntu 14.04. The behavior: On client A I change an existing file foo on a nfs share. On client B I do a cat foo. 1st time ...
0
votes
0answers
14 views

Enable chown for a single host on an NFS export

Current NAS export I have a ReadNAS 4200, which I have root access to, which has the following /etc/exports file: "/Data" *(insecure,insecure_locks,rw,async) What my configuration doesn't allow ...
2
votes
4answers
586 views

How can I build a file server that we can incrementally grow, in Linux?

I work in an scientific lab with a limited budget and ever-growing need for storage. A year ago we needed ~2-3 TB storage, today we need 13+ TB which fills our current server (linux, raid 6 with 9 ...
2
votes
1answer
112 views

Using a JBOD for redundant NFS

I have a Xyratex sp-2224 JBOD enclosure (dual controller) and a pair of Dell servers with SAS HBAs installed that I'm looking to utilize in a redundant NFS cluster. The hardware isn't what I'm ...
2
votes
3answers
860 views

Nexenta/OpenSolaris filer kernel panic/crash

I've an x4540 Sun storage server running NexentaStor Enterprise. It's serving NFS over 10GbE CX4 for several VMWare vSphere hosts. There are 30 virtual machines running. For the past few weeks, I've ...
4
votes
4answers
12k views

File locks on an NFS?

My server uses NFS (Network File System), and I'm unable to use PHP's flock() -function. Is there a way to lock files on an NFS or is there a need to do so?
2
votes
1answer
1k views

Reconnect Attempts for CIFS share

I have a CIFS share mounted in the FSTAB on Ubuntu server, which connects to our NAS and works without issue. Last night we had an issue with the SAN for about 12 hours. We corrected the problem and ...
0
votes
2answers
891 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
928 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
53 views

Testing failover scenarios on nfs

I'd like to know what happens to connections when nfs is failed over to another server (drbd). If I have a file open in vim, it will lock up I think only sometimes come back.. after a long while? ...
0
votes
2answers
1k views

nfs, execution denied

I have server (debian 6) machine (say, ip = 10.13.13.100) with nfs exports /etc/exports /path/to/my/shared/folder 10.13.13.0/24(rw,async,no_sub_tree_check,no_root_squash) There are two users on ...
1
vote
0answers
31 views

Is it possible to configure windows 7 x64 machine as a NFS server? [on hold]

Aim: I want to mount a windows directory with read only permissions on linux machine without typing in windows credentials. I know it's risky but I am not concerned about the security here since both ...
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 ...
0
votes
1answer
20 views

HA NFS with single primary DRBD

What is the basic process behind high availability nfs over 2 servers? Let's say that I'm using heartbeat to fail over a floating IP between the 2. I then have a third party server that mounts an nfs ...
0
votes
1answer
2k views

NFS compound failed for server foosrv: error 7 (RPC: Authentication error)

I'm setting up an Ubuntu NFS server with a Solaris 10 client. The basic configuration looks okay to me, and it was also working for some time. I'm getting an "RPC: Authentication error" message on the ...
0
votes
2answers
34 views

is it possible to combine files system from different servers and present it as one?

I have 3 physical servers (server01, server02 and server03) and local storage. I've created /app file system on all of three servers and mounted the storage there. I need to be able to combine /app ...
2
votes
2answers
32 views

Mount two nfs's shares from different storage over the same directory on linux

I have a set of 4 Linux web servers on cluster all of them have the same mount point: /folder This /folder is a NFS mount share over a NAS but is full and no more luns/disk are available to expand ...
0
votes
2answers
27 views

How can I best secure NFS between an Xen host on Debian and VMs?

After some research, it seems that the best way to share files between my Debian Xen host and the virtual machines on it is to use NFS. How can I secure NFS so that only the specified VM can access ...
3
votes
2answers
71 views

Replicated shared filesystem

I'm looking into setting up a shared filesystem/file server on AWS (EC2) infrastructure that offers replication and fairly painless failover. This filesystem would host potentially millions of files ...
0
votes
0answers
15 views

How to solve nsf-common related error when install zsh in ubuntu? [migrated]

Everytime I install some kind of package, at the last phase, apt-get install could return a common-nfs related error. Why the installation can't be done without this error? detailed pastebin here ...
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 ...
1
vote
2answers
1k views

NFS Over OpenVPN: Top Performance Boosters

I have two VPS's - One is running 2008 Server R2 and the other is a Ubuntu 12.04 installation. I am using the Windows VPS for RD sessions for Quickbooks and a couple other apps and using the Ubuntu ...
1
vote
0answers
37 views

Create and Manage Windows NFS Shares for Linux Clients with AD Authentication

I have a Windows file server that I would like to create NFS shares on. These shares need to be accessible by both Windows 7 domain clients and Linux clients (Red Hat 5 & 6) using Samba/Winbind ...
2
votes
3answers
594 views

nfs file access statistics

For a Linux NFSv3 server, is there any way to see statistics on actual file access? In other words, I would like to see a timestamped log of every file read or written. Motivation: I have several ...
0
votes
1answer
23 views

Wrong ldap user and group IDs on nfs

we have users authentication driven by ldap and home directories shared on nfs server mounted by autofs. We recently installed Ubuntu 15.04 on three new machines and added them to our infrastructure ...
1
vote
2answers
335 views

Which is better: one NFS mount point, or seven?

I have a server that has 7 large disks that are each shared out via NFS to our webserver. My question is: Would it be more efficient if I shared the parent directory so that there was only a single ...
1
vote
0answers
28 views

NFS local user mapping works, but not with sudo

I want to use an NFS share for backing up. I have created a local user on the client with a specific uid/gid combination that works for writing files to the NFS share. So far so good. However, I need ...
0
votes
1answer
1k 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 ...
-1
votes
0answers
23 views

mount osx folder via nfs case sensitive

I want to mount a folder on a mac using nfs. That is all working but mac is (by default) case insensitive. I now want the system (linux) that is mounting that folder to see it as case sensitive. Is ...
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 ...
1
vote
2answers
1k 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: ...
1
vote
1answer
38 views

FreeBSD pf with NFS

I'm having trouble establishing new NFS connections when my pf is turned on. When I turn off pf on the server and client I'm able to mount with no trouble. I tried keep state and flags S/SA on the ...
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
2answers
484 views

NFS server in Vista?

Does Vista Ultimate features a NFS server? I have very little experience in this area, but I have a unix-based device which can mount nfs shares and I would like to serve files to it. Is this possible ...
0
votes
0answers
28 views

Mounting NFS server through SSH reverse tunnel

Here is my setup: Office computer in a network, with no way to access from outside, (OC) embedded computer in the field (FC) Server in the office, containing data to which the field computer needs ...
0
votes
1answer
961 views

NFS daemon not starting up with error message “Kernel does not have pseudo root support”

My nfs daemon is not starting up anymore. I see the following entries in the syslog: Sep 26 18:21:10 VOXWEBPRODDHNCGN001 mountd[3401]: Kernel does not have pseudo root support. Sep 26 18:21:10 ...
0
votes
1answer
29 views

Attach a volume and set internal IP on boot

I have an Ubuntu 14.04 based NFS server AMI wrapped with a Launch Configuration and an Auto Scaling Group of just a single instance (min/max/req). This is just to make sure that if the server goes ...
1
vote
1answer
4k views

NFS issue brings down entire vSphere ESX estate

I experienced an odd issue this morning where an NFS issue appeared to have taken down the majority of my VMs hosted on a small vSphere 5.0 estate. The infrastructure itself is 4x IBM HS21 blades ...
3
votes
1answer
1k 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 ...
4
votes
2answers
965 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 ...
0
votes
2answers
2k views

Measure & benchmark the speed & latency of file access on a mounted NFS share

I have a Linux Centos system that mounts some NFS shares, what technique can I use to measure the I/O speed/latency/rate when reading and writing files from that share? Could this technique also be ...