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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Running computations on a remote server using 2 possible methods. Which is ideal? [closed]

So, this is more of a general question than a specific problem. I'm using AWS and I have my main web server on an m1.medium instance but there are some computationally intensive tasks that I want to ...
0
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1answer
70 views

Moving user accounts and data from NFS server to local server

I'm pretty new to Enterprise Linux administration, and I need to find the best way to move user accounts and their /home directories to a new server. The current setup uses NFS to mount the /home and /...
3
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1answer
672 views

Single NFS-server to redunant NFS-storage

Currently, we have 6 physical host machines installed with Proxmox VE. These hosts are running a number of virtual machines. Mostly Windows Server 2008 R2. The hosts are Intel Blade servers with a ...
17
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3answers
67k views

Mapping UID and GID of local user to the mounted NFS share

I have a server with NFSv4. I am mounting contents of the home folder of remote user to local host. Able to read and write contents, but when I am checking ownership of files at the mounted volume ...
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2answers
1k views

NFS v2 versus v3

I'm having problems with two systems (a Solaris client and Linux server) using NFS v3 to mount home directories. (NFS v4 simply doesn't work at all, for what I'm told by another sysadmin here is a "...
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3answers
84 views

Use a regular PC as NFS server on a small network vs distributed NFS servers/clients

I'm working at a project with around 7 computers (regular, mid-end PCs) connected to an Ethernet LAN, running Linux and used to run molecular simulation software like PyMOL. There are several users, ...
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2answers
594 views

rsnapshot over NFS issue

I have a VPS configured with a webhost which I need to backup regularly. I have also purchased a 'backup disk' which is simply an NFS mount on another of their servers. I have configured rsnapshot to ...
2
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2answers
4k views

Issue with VMWare vSphere and NFS: re occurring apd state

I am experiencing issues with VMWare vSphere 5.1 and NFS storage on 2 different setups, which result in an "All Path Down" state for the NFS shares. This first happened once or twice a day, but lately ...
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0answers
201 views

Why files disappear when using autofs

I have a disk mount as /local in the centos 5.3. Under /local/foldera/folderb/ I have lots of folders like: drwxrwxrwx root root 4096 DEC 10 10:40 Platformxx Then I've build another server and on ...
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2answers
333 views

A same file displays different time stamp and permissions between local file system and NFS

I created a nfs share entry mzhu@zeus:/share$ cat /etc/exports /share *(rw,async,insecure) From the local file system, execute 'ls -al' in /share. The output is mzhu@zeus:/share$ ls -al total 20 ...
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1answer
76 views

installing programs to client over Ubuntu server

I am guessing this is possible, however I am not sure what protocol(s) to use and pretty much the way to go about this. Let's say for instance Open Office -- how could we set up our Ubuntu server to ...
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4answers
9k 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 (cmdlet?...
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1answer
2k 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 ...
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3answers
1k views

NFS mount failing in OpenVZ container but working in Ubuntu

I am running a debian 6.0 open VZ container and can't get my NFS share to mount. The error I am getting is mount.nfs: mount to NFS server '' failed: timed out, giving up However, using the same exact ...
2
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1answer
1k views

NFS mount has stopped working on ESXi

We have had around 20 hosts connected to an NFS share running from an Ubuntu server. The other day they all lost connection. We have rebooted the NFS server to rule out any services going funny. When ...
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1answer
2k views

Kerberos pre-authentication failed on nfs mount

I have the following nfs export: /home/users 192.168.1.0/24(rw,sec=krb5p,no_subtree_check,nohide,async,anonuid=65534,anongid=65534) When trying to mount that on a client I get: client:/home # ...
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1answer
667 views

Troubleshooting NFS authentication problems

I am trying to mount a krb5p NFS export. For this I have followed these instructions. Line in /etc/exports: /home/users 192.168.1.0/24(rw,sec=krb5p,no_subtree_check,nohide,async,anonuid=65534,...
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1answer
523 views

Connecting a usb external drive in NFS to a different server [closed]

I have two unix CentOS servers in the same farm. One of them has an usb HD connected. I would like to access the same usb HD from the second server (I want to be able to write directly to that HD). ...
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0answers
366 views

Access Forbidden for Apache to a Windows Server 2012 NFS share

I have a Windows 2012 Server with an NFS share that is mounted on a Debian webserver running Apache. Apache is attempting to serve files from the the share but is getting a 403 access forbidden error. ...
1
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1answer
655 views

User space NFS server needed

I need to run NFS within an LXC container (meaning I can't use the kernels NFS driver). Ergo I need a user space NFS server. UNFS3 - seems like the obvious choice, but it doesn't compile on Ubuntu ...
0
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1answer
6k views

Cannot start NFS daemon

I'm trying to set up a NFS share but I cant start NFS service: $ service nfs start Starting NFS services: [ OK ] Starting NFS daemon: ...
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3answers
5k views

Is SAN storage better than NFS? [closed]

I have server with RHEL 6 with Apache 2.2.22 and NFS client (nfs-utils-1.2.3),and access NFS server on private network. My problem When the number of files increases my web site becomes slow and ...
5
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2answers
6k views

/etc/exports & mount option

In my Linux server I have the following options in /etc/exports /home *(rw,sync,no_subtree_check,no_root_squash) And I mount from a Mac using mount -t nfs -o resvport,rw,noatime,soft,intr,rsize=...
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0answers
306 views

Setting NFS Domain name on Windows 2012 NFS Server

I have a Windows 2012 NFS server setup to use my AD domain as an authentication source. My domain is ad.example.com with a NetBIOS name of AD. My linux machines have idmapd configured to use ad....
0
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1answer
476 views

Network setup on AWS for NFS

I have a number of servers which all need external IP addresses, as they provide different services and need to be invidually accessible: server1.mydomain.com > 1.2.3.4 server2.mydomain.com > 2....
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6answers
69 views

Adding second file server for a web site

I run a website that contains a lot of large files and even after buying the maximum amount of space my host provides on a single server (8x2TB drives) I am now running low on disk space. I would ...
4
votes
1answer
303 views

chmod -R 777 on PXE server - why

So I am following a guide to set up a PXE server, for reference here are the links: Actual PXE setup NFS PXE setup Live-cd PXE setup: Now throughout these guides he keeps running the chmod -R 777 &...
3
votes
1answer
401 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 ...
0
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1answer
2k views

NFS4 + Kerberos: BAD_ENCRYPTION_TYPE, GSS: Encryption type not permitted, hang on “doing downcall”

I am trying to get NFS4 + Kerberos to work on Debian Squeeze. I have 3 test machines: nfsserver, nfsclient, nfskerberos What I've got is: root@nfsclient:~# mount -v -t nfs4 -o sec=krb5 nfsserver....
0
votes
1answer
642 views

iSCSI and NFS file locking and concurrency

I've got a linux host that need to mount a data share located on a NAS. The choice is between NFS v3 (NAS limitation) and iSCSI. The initial idea was to have a NFS mount to the file server that ...
3
votes
1answer
10k views

What does this RPC error message mean?

I have OS RHNL release 6.2 and use the NFS service (nfs-utils-1.2.3) to connect to NFS server, And found a lot of messages in a file /var/log/messages: Apr 1 11:08:35 XXX rpc.idmapd[3010]: ...
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vote
1answer
1k views

ProFTPd and SELinux: mkdir Permission denied

I have a ProFTPd server on Centos 6.3 with SELinux Enforcing. My users are virtual users in a flat file. The users are chrooted to directories mounted via NFS. I've already set the following policy:...
6
votes
0answers
4k views

Kerberos NFS4 permission denied [closed]

** Edit: ** I am not using Sabayon Linux anymore and this problem didn't occur on other distributions. I suggest to close this question. Update: I realized that because of bad hosts file, both ...
2
votes
1answer
157 views

NFS drops out when .bat script is run

I have a .bat script that runs from a Windows 7 machine. Part of the script is to use plink to ssh into a Red Hat machine and run a couple commands. I have about 4 or 5 plink commands within the ...
1
vote
1answer
87 views

NFS unmounted folder having cached files?

Even if I unmount an NFS folder will it still have cached copies of those files from unmount time in that folder? My understanding is NFS folder once unmounted shouldn't have anything under that ...
2
votes
3answers
3k 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 ...
0
votes
2answers
482 views

How to find files with top io on solaris ZFS?

I have a Solaris 10 ZFS based NFS server. The physical disks are more or less at their maximum io rates. Performance is very bad - so we will add spindles. The NFS solely serves as storage for ...
2
votes
2answers
4k views

Permissions for Windows Server 2008 R2 NFS Share Files

I have configured and am using a NFS share on a Windows 2008 server. I am copying files from a Unix server using anonymous access. What I cannot figure out is how to get the file permissions working ...
6
votes
3answers
6k views

Vagrant OS X host nfs share permissions error - Failed to set owner to '1000'

I am a Vagrant and Puppet newbie, I have created a Base Box with Debian Squeeze plus standalone Puppet, using the instructions here to install Puppet with the Puppetlabs packages. The box itself ...
1
vote
1answer
719 views

What are the most common reasons for NFS auto mounts to fail?

Of course I need to solve a particular problem, but I'm hoping some more general answers on "how to troubleshoot automounting nfs" come up that will help more people with similar symptoms. We've got ...
7
votes
4answers
2k views

Securing NFS against SSH tunneling

I was idly reading http://nfs.sourceforge.net/nfs-howto/ar01s06.html trying to understand why localhost exports were bad when I got to the section "6.4. Tunneling NFS Through SSH". Everything in that ...
1
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0answers
191 views

NIS user/group ID resolution fails for one NFS volume but succeeds for another

Network setup: (1) NIS server (nisserver), (2) file server (fserver), (3) cluster head server (queuemaster) (4) cluster compute nodes (node1,node2,...) (gateway=queuemaster) fserver is a NIS ...
1
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0answers
444 views

NFS - Multiple Mounts, Heavy Write, Performance Degredation

I have 6 NFS Mounts (1GbE) on a RHEL 5.7 system with 10GbE. Iperf shows full link saturation to all 6 interfaces simultaneously. There is a bottleneck somewhere within the nfs client system, but I ...
2
votes
1answer
228 views

Does Practical NFS Authentication for RPCSEC_GSS Exist Other Than Kerberos?

Most of the reading I have done suggests that RPCSEC_GSS can be set up using Kerberos, but we don't already have a Kerberos server set up. I had read there were other auth methods like LIPKEY that ...
0
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1answer
645 views

NFS server refusing hostname that is allowed

I can't get a client to mount an NFS share that is being exported using a wildcard domain name. Setup: The NFS server is running DNSMasq for DHCP and DNS. the NFS export file has /export *.domain....
2
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0answers
55 views

What is the typical access time for reading a 100KB file over a LAN from an NFSv4

Would it be right to compute it as the network time (2ms) + disk seek and block read (10ms) ~= 12ms? Would that be the correct order of magnitude? interested in the response time, not absolute ...
0
votes
1answer
154 views

Dealing with network congestion

I'm adding new centralized storage on a linux server on a private GBE LAN. There are about a dozen client machines which in the past have done NFS v3 mounts over TCP. At times the LAN gets congested ...
1
vote
1answer
76 views

Comfortable sharing of files across internet [closed]

I would like to share files to a number of machines spread in LAN and WAN. These are the requirements: (priority: intermediate) Should just work in Windows/MacOS without additional (or very little) ...
2
votes
4answers
33k views

Can't mount nfs volume - time out

I have an NFSv3 export from a Linux fileserver which used to mount fine. The fileserver had to go down for hardware maintenance. After bringing the server back up, the Linux client can no longer mount ...
0
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2answers
3k 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: ...