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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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
398 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
729 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 ...
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 ...
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0answers
762 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
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1answer
636 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 ...
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0answers
304 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 ...
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0answers
935 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 ...
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1answer
110 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 ...
2
votes
2answers
864 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 ...
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votes
4answers
618 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, ...
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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 ...
2
votes
2answers
737 views

ESX or ESXi as FCoE or ISCSI or NFS target?

Is is possible to set up ESXi or more expensive ESX server as a storage target (FCoE, ISCSI or NFS, in that order) for other ESX servers? If so, how?
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4answers
4k views

ZFS on Linux for RHEL/OEL NFS Sharing

I'm trying ZFS on Linux for Oracle Linux (OLE) 6.1 (Red Hat RHEL 6.1 compatible clone). I successfully compiled and installed spl and zfs on it for Oracle Unbreakable Kernel. Zfs is working and I ...
2
votes
3answers
4k views

How dangerous is NFS async when RAID BBU and UPS are present?

I have an NFSv3 server and around 15 clients. I am looking for pros and cons enabling async on the server side. I have read about it, but it is still a bit unclear to me. I know it can lead to data ...
2
votes
5answers
776 views

hardware for bulding unified storage solution using nexentastor

looking to build a box for holding 5 to 8 TB of storage using nexentastor OS. without using commercial solutions like netapp. my current list is: Intel Xeon 8GB of RAM RAID controller with 256MB ...
2
votes
2answers
71 views

Will locally mounting root filesystems of all remote servers being managed eliminate need to share dotfiles?

I've got about 10 remote servers being managed, through SSH, and I typically just SSH into each of them for remote management tasks. This requires me to have duplicated many of my dotfiles (like ...
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votes
3answers
939 views

How should I install NFS on a linux system?

I have two systems and I need to setup a folder on one of them that is completely read/write-able by the other. Questions: 1) How do I setup NFS on the server(s)? It is not installed as an available ...
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votes
1answer
2k views

NFS access from multiple networks

On my NFS server (Ubuntu) I have in /etc/exports the following: /share 192.168.89.1/24(rw,no_root_squash,async) However, I have a new machine which is not in 192.168.89.* IP range, it's in ...
2
votes
4answers
974 views

NFS server under Linux over multiple disks

I am running Debian, and need to setup an NFS server. My server has five identical 2TB disks. I will need to setup folder quotas. I am planning to use software raid by putting 3 of the five disks into ...
2
votes
3answers
3k views

Can I change the name of an NFS export

I am exporting my /opt/target directory via NFS but I would like the nfs clients to be able to mount it as /target. i.e. I would like showmount -e to show /target not /opt/target. Can that be done?
2
votes
1answer
197 views

Linux read disk cache and NFS

I am interested in the impact of the read disk cache on accessing a file through NFS. Lets say I have a file on NFS. I access it (do "cat myfile") from a linux host "A". If there's enough RAM a file ...
2
votes
2answers
244 views

Is NFS bidirectional?

If I write a file in the NFS-mounted folder of an NFS client, will it appear on the NFS server? Or is it possible to write a file in that folder in the first place? Thanks!
2
votes
2answers
9k views

How can I remount an NFS volume on Red Hat Linux?

I changed the user id of a user on an NFS client that mounts a volume from another server. My goal is to get the 2 users to have the same id, so that both servers can read and write to the volume. I ...
2
votes
2answers
2k views

CentOS 6: Can not start NFS

I am unable to start the NFS service. When starting there is no error. But the services are stopt after it. No messages at all in /var/log/messages. Same happens to rpcbind serivce. Any idea what this ...
2
votes
2answers
711 views

Solaris NFS which client is all that traffic comming from?

On Solaris / OpendIndiana NFS server, is the a way to get per-client stats?
2
votes
3answers
3k views

sysctl.conf not running on boot

At what point is sysctl.conf supposed to be read during boot, and why might it not be running? I have the following settings which are not being applied when I reboot: ...
2
votes
3answers
202 views

Disallow root to su on a user which is not listed in /etc/passwd

On Linux we authenticate users against AD. The AD users are not listed on /etc/passwd. We are about to deploy a NFS solution to mount some extra space for each group of users. If a user(A) with sudo ...
2
votes
3answers
5k views

NFS write performance

We have three VMware ESXi 4 hosts serving VM's from an OpenFiler NFS share. Every host has a direct gigabit connection to the NAS. Although read performance has been great, writing files inside the VM ...
2
votes
4answers
4k views

Apache throwing 403 on serving images from an NFS share

I'm repeatedly getting 403 Permission Denied errors on trying to serve images from apache running on Machine A. The images are in a directory which is an NFS share from Machine B. The entry on ...
2
votes
2answers
83 views

How to know when to properly use iSCSI, NFS or SMB?

I have a File Server running Windows Server 2012 R2. It has four 6TB Western Digital RED drives. I want to host my Hyper-V Machines, WSUS (Windows Server Update Service) content and WDS/MDT deploy ISO ...
2
votes
1answer
228 views

A thin client running Linux in a wireless network environment

I am the sole IT person for a small private school. The school has about 60 PCs. All PCs are on a wireless network; there's no Ethernet network in the building. I would like to migrate the school ...
2
votes
4answers
1k views

Mounting a file system over the internet

I built a web application that runs on a virtual server for one of my customers. It includes the facility for them to upload files, but they now want to store those files on a server in their office. ...
2
votes
1answer
264 views

What makes Lustre faster and more scalable than NFS?

I have read in various places (e.g. here and here) that NFS' I/O performance does not scale, while Lustre's does, and that Lustre can deliver better I/O rates in general. There seem to be various ...
2
votes
1answer
478 views

Using ionice Over Cluster

Background: I use a computing cluster at work (4 slave nodes and 1 head node) that uses the SGE job scheduler. Recently we've been running jobs that do some heavy IO and it has been slowing down ...
2
votes
1answer
418 views

Redundant NFS Setup?

Is it possible to create a fault tolerant, redundant NFS server (e.g. master/slave)? Several of my web servers mount their WEBroot directories from a single NFS server (which is regularly backed up). ...
2
votes
4answers
912 views

Is Samba the right choice for me?

we have a distributed application which uses large amounts of content (all kind of files). There are several servers that need to access the content. Right now the content is stored on each server ...
2
votes
2answers
258 views

In Linux, how to temporarly freeze a user?

On a mis-configured or buggy network filer (NFS NAS) writing a large file can cause the filer to freeze. For diagnostics I need to be able to: Suspend (or in other words temporary freeze) all ...
2
votes
2answers
786 views

Can't connect to ssh after nfs problem

I had a problem yesterday with a server that lost connection (S1). From that server, there was a dir shared with NFS to another one (S2), no homedir and not in $PATH, but a dir to store old files for ...
2
votes
2answers
2k views

Why are Solaris logins slow when remote storage server NFS mounted?

We've got a curious problem with one of our Solaris (10, U8) servers. If we have our extra storage array mounted via NFS, the Solaris user logins are exceptionally slow. Unmount the storage device ...
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votes
4answers
2k views

How to remove directory on NFS fileystem with an enormous number of files

A poorly tested program created a directory on an NFS share with an enormous number of files, which I need to remove. ls -ald /home/foo drwxrwxr-x 2 503 503 317582336 Jul 29 11:38 /home/foo The ...
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votes
1answer
2k views

How to ensure nfs home directory is mounted before login

I have a machine (with mythtv installed) which automatically login a user, whose home directory is located on a server accessed by NFS4. In about 6 of 10 times it works like a charm, but sometimes the ...
2
votes
4answers
5k views

Can't reboot Linux box; NFS hangs

I can't reboot my Ubuntu 9.04 x86_64 box. I just see the following, and then nothing happens. I've entered this several times now. $ sudo reboot [sudo] password for yang: $ Broadcast message from ...
2
votes
1answer
9k views

NFS exporting a directory that's already NFS mounted (on the server)

I have a NFS server, A, that's sharing out a folder. B is mounting the the folder. B is also sharing that folder out. However C is unable to mounted it. The error on C is: mount.nfs: ...
2
votes
1answer
782 views

Why do some host volumes in Docker containers give the error “too many levels of symbolic links”?

I'm running docker with a host directory mounted: $ docker run -v /usr/groups/thing -ti imagename /bin/bash Files in /usr/groups/thing/foo are accessible: # ls /usr/groups/thing/foo a b c But ...
2
votes
1answer
55 views

Will Windows use NFS to write to a self mapped share?

If a Windows server has a drive mapped to a share on the same server, will it still use NFS to read/write or does it know that the drive is actually local? Would I/O performance be improved by using a ...