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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Good NFS multipath solution

I have a couple of servers serving exactly the same content through NFS to several webfarms, all the servers involved are running CentOS 5 The content between both NFS servers is replicated using ...
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3answers
415 views

Are there any good intranet search engines?

I'm searching for a intranet search engine which is capable of spider our intranet websites and network shares like SMB, NFS and optionaly AFP. Ever better for us would be a search engine which is ...
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3answers
200 views

System to keep folder synchronized with remote server

We have a Linux server with a couple of NFS shares on our local network, and we want to be able to access the data on those shares from some remote machines outside of the LAN. What we are planning on ...
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votes
3answers
3k views

Stale NFS handle

I have several xen guest OSs that get their root file system from NFS. I changed /etc/network/interfaces on some of them (on the nfs server) and then rebooted them. Now I get lots of 'Stale NFS ...
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1answer
909 views

How to monitor NFS load from userland?

Apologies if I'm not using the proper jargon (although I'm a longtime linux user, I'm not an admin) or if this is a FAQ (though searching SE got lots of hits, I didn't see anything quite like this ...
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1answer
125 views

Poor NFS Performance Using Multiple Disks

I have a server system running Ubuntu 12.10 with 12 disks attached. I am sharing all of these disks on my 10 gigabit network using NFSv4. However, I am getting generally poor performance over NFS ...
3
votes
1answer
337 views

Creating two nfs shares from same server, but when mounted, both point to same directory

I've got a group of server that need two nfs shares, a few servers need access to one of the shares and all of the servers need access to another. The NFS server is ubuntu 12.04 and the others are ...
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votes
2answers
2k views

Can not mount NFS from server on local network

I set up my NFS server without doing any bigger changes in configuration files. After that I added these entries to /etc/exports(both paths are valid) on server(192.168.1.11): /export ...
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votes
1answer
367 views

Using NFS for scalable PHP/MySQL web application

Here's the situation: I have a PHP/MySQL web application that accepts user uploads (pdf files). From these pdf files' pages a preview image is made on the fly and presented to the web app's users. ...
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votes
1answer
414 views

Mixing NFSv4 all_squash and sshfs access

I have a problem with my server. In my internal network I hand out several network shares using NFSv4 from a Debian Squeeze server to my clients. These shares use the all_squash option because I want ...
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votes
2answers
516 views

In search of a network file system with extended caching to speed up file access

I'm running a small home server that stores my documents. The disks in this server are in a RAID 1 configuration (using Linux md) and it's also periodically being backed up to an external hard drive ...
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votes
3answers
744 views

vmware vmdk disk problem

I have a VMware ESXi 4 server and 2 storage servers (mounted via nfs). Between the storage servers (Fedora 14) is a drbd cluster (dual primary) and ocfs2 filesystem; also every server has a local ...
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4answers
845 views

Pros/Cons of filesharing protocols for a Mac environment

In our school division, we have a OS X Server sharing files to up to 120 Mac clients [for things like home folders and group sharepoints]. The AFP protocol is the easiest to set up and use, but that ...
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votes
1answer
3k views

unable to write to mount point (nfs-server), getting “Permission denied”

I'm trying to configure NFS between two RHEL7 nodes: first node: [root@ip-10-164-175-246 ~]# cat /etc/redhat-release Red Hat Enterprise Linux Server release 7.0 (Maipo) [root@ip-10-164-175-246 ~]# ...
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votes
1answer
369 views

NFS v4 ACL inheritance problems - “i” flag set but not wanted

What I am trying to is add an NFS v4 ACL that allows a directories, child and grandchild, great grandchild etc directories and files to inherit a delete ('D') flag under linux. The underlying file ...
3
votes
1answer
329 views

Unable to read from/write to an NFS share from Win XP client

We have an NFS share on a Debian Linux host which is mounted on a Win XP host using SFU. We can create folders on a share or delete files from it but it's not possible to perform file write or read ...
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1answer
1k views

Delaying NIS & NFS startup till after network interface is fully ready on Fedora 17

I've recently set up a fedora 17 server for our network, and I've been having trouble getting the NIS service to work on startup. Here's some logs from the system: Aug 21 12:57:12 cairnwell ...
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2answers
1k views

Drupal on an NFS share has terrible performance

We have a setup where a Drupal 7 site with the following setup - a VMware ESXi 4.1 host server running a web vm and an NFS VM. The web VM is using Apache and mod_php. The site is still in development ...
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1answer
564 views

Does an NFS export with sec=krb5 *require* that the parent directory also be exported with sec=krb5?

I copied somebody's NFS server/client setup verbatim and am having trouble making sense of what's going on with it. This is the /etc/exports: /export ...
3
votes
1answer
5k views

What is launching all of these rpc.statd processes?

On of our servers -- running CentOS 6 x86_64 -- we're seeing a lot unusual activity with rpc.statd. We have rpc.statd configured to run on a static port via /etc/sysconfig/nfs: MOUNTD_PORT=892 ...
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votes
1answer
1k views

How do I disable NFSv3/v2 connections to a FreeBSD NFSv4 server?

I am using a Kubuntu 11.10 client with a FreeBSD 9.0 server. The server has the following lines in /etc/rc.conf nfs_server_enable="YES" nfsv4_server_enable="YES" nfsuserd_enable="YES" and the ...
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votes
1answer
4k views

NFS. Non-root mount requests

I'm trying to make my NFS server allow non-root mount requests. Server: Debian Squeeze, kernel 2.6.32-5-686 What I have now: root (or sudoes) can mount NFS file systems, but regular users can't. ...
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votes
2answers
356 views

Linux shared writable directory recursively

How can I make a directory recursively read/writable to a group of users? PROBLEM: This is a directory used by apache so access rights should be fairly strict. The only way I could make it ...
3
votes
1answer
2k views

How do I speed up and cache mmap file access over NFS on Linux?

The server and client are both 64-bit Ubuntu 10.04 LTS. The application in question is a custom app that uses mmap() for fast random file access. Its ideal state is when the entire file is cached in ...
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1answer
1k views

High Availability NFS Server (Heartbeat/DRBD) long hang on clients when takeover occurs

We have a High Availability NFS environment using DRBD, heartbeat and nfs exposed to clients (Simular to the following https://help.ubuntu.com/community/HighlyAvailableNFS ). This seems to be a ...
3
votes
1answer
591 views

Poor NFS performance when sequentially reading large files

I have an NFS3 server with multiple clients. Each client is sequentially reading a different large file, and performance is very poor. Here is what I am observing in iostat on the server for the disk ...
3
votes
2answers
920 views

cross-syncing home directories with disconnected operation (Linux/Ubuntu)

Here is the scenario I am trying to make work. I have three machines, J, T and R that need to eventually get the same data (slight temporary differences are fine). J and T are desktops that are ...
3
votes
1answer
690 views

nfs4 id->user client-side not working

The situation is an nfs4 server and client using rpc.idmapd to map ids. The id mapping is working on the client for existing files served up from the server. On the server: [root@server ~]# id user1 ...
3
votes
1answer
591 views

Understanding NFS4 exports and pseudofilesystem

I think I understand the way pre-NFS4 exports work, specifically the namespace of the exported point. (ie. export /mnt/blah on server, use mount server:/mnt/blah /my/mnt/point on client) However, ...
3
votes
2answers
1k views

Stale NFS fila handle error with log4j

We have a few instances of a java program running independently but writing to the same log file. Infrequently we got Stale NFS file handle error when log file was being rotated and written by ...
3
votes
1answer
188 views

Tracing NFS activity

I've got a system of 55 workstations that share two NFS mount points on a central server. Recently over the past few days, I've noticed an increasing number of "GETATTR" requests filtering in from ...
3
votes
1answer
276 views

Can I get a clear summary of the new features of pNFS?

So I'm somewhat familiar with NFS and ilk, and I realize that NFS 4 is adding a host of new features, when I stumble onto pNFS. It appears to be "parallel" NFS storage, but the diagrams and ...
3
votes
1answer
36 views

What are some good ways to identify nfs clients that cause high load on nfs server

Sometimes my nfs4 server is under high load. Is there any good tools identify which client causes it. running iotop and nfsstat on nfs server shows only general load information which does not help to ...
3
votes
1answer
197 views

Is this a Linux NFS client bufferbloat?

On a NFS mount (standard options on RedHat 5.6 with ancient 2.6.18 kernel), it seems to me that big and multiple write operations delay smaller read operations. For example, doing a simple ls in a ...
3
votes
0answers
172 views

Unable to launch MSI installers off NFS share

I have a Linux server where I've configured a read only NFS share. The client I'm currently working on is a Windows Server 2008 R2 machine that has the NFS features installed. I'm able to open and ...
3
votes
1answer
288 views

nfs problems: shares appear to be the wrong size. files created on share not visible on server

I have set up shares on an NFS server. I can mount the shares with no error. The share sizes reported by "df" are much smaller than the share size on the server eg. server reports 1 TB but the share ...
3
votes
1answer
694 views

nfs nlockmgr timed out

thanks for reading me and helping me ! I got a NFS problem. It's not a permanent problem it comes and goes. Sometimes (very often), the clients using the mounted partitions are frozen when they're ...
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0answers
685 views

Intermittent NFS lockups on Isilon cluster

We have an Isilon cluster with 8 IQ 12000x nodes which exports storage via several NFS shares for a handful of Linux and Solaris clients. There is a Linux system that has one of these NFS filesystems ...
3
votes
4answers
2k views

XenServer and ZFS via NFS

I'm trying to connect a NFS share to XenCenter. The NFS server is a ZFSGuru distro (uses FreeBSD). The zfs volume was exported like this: /sbin/zfs set sharenfs="on" temppool/share According to ...
3
votes
1answer
590 views

Weird permission issue with POSIX ACLs, NFS v3 on Linux

I have two Linux systems, both running Debian Squeeze. Versions of (I think) the stuff involved are: kernel: 2.6.32-5-xen-amd64 ii nfs-kernel-server 1:1.2.2-4squeeze2 ...
3
votes
0answers
280 views

using chained automount to mount home directory

I have set up two directories mounted with automount (via LDAP): in the /home directory automount is configured to mount * -fstype=bind :/network/srv/home/& in the /network directory one ...
3
votes
0answers
814 views

how to tune NFS client on MacOS to get Linux like performance?

I have a NFS server running Linux and exporting a couple of shares. Both Linux and MacOS clients connect to the server, and while with the Linux clients I get ~ 75MB/s write speed, the MacOS clients ...
3
votes
1answer
109 views

Loading of Home taking too long

We have a shared storage from NetApp mounted onto about 80 systems (all running Ubuntu 10.04 64 bit). These days there is some problem with the loading of user homes onto the lab machines ...
3
votes
1answer
2k views

Weird nfs performance: 1 thread better than 8, 8 better than 2!

I'm trying to determine the cause of poor nfs performance between two Xen Virtual Machines (client & server) running on the same host. Specifically, the speed at which I can sequentially read a ...
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votes
2answers
812 views

Is it possible to have a unique .bash_history file per host?

My home directory is mounted on an NFS mount. The commands I use on one machine are usually quite different to those on another. Is it possible to have easy host write to it's own history file?
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9answers
6k views

sh scripting: how to mount a remote filesystem if it is not mounted?

In a bourne shell script (#!/bin/sh) how can check to see if a remote NFS share is mounted and, if it is not, mount it? I've got an ugly set of cat, greps and ifs using the output of 'mount' at the ...
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votes
7answers
5k 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, ...
2
votes
4answers
3k views

Fastest way to share a Solaris (ZFS) file system with two windows servers?

I am setting up a 16TB Storage server (which will eventually double in capacity) to store media. This server needs to be read from by two windows server 2008 clients which host our companies ...
2
votes
4answers
564 views

Is it possible to view the contents of an underlying NFS mount without unmounting the NFS content?

I have a shared directory on a server - let's call it /home/shared - which is mounted with content from another server via nfs. When it is unmounted /home/shared is supposed to be empty - however, ...
2
votes
3answers
4k views

How can I improve NFS performance on a gigabit LAN?

I have a Solaris 10 server with a Mac OS X clients on a gigabit LAN. The Solaris server exports a RAID-Z backed NFS share and all the clients connect to it. However, transferring files is slower ...