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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868 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 ...
14
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2answers
199 views

NFS poor write performance

I have two machines connected with 10Gbit Ethernet. Let one of them be NFS server and another will be NFs client. Testing network speed over TCP with iperf shows ~9.8 Gbit/s throughput in both ...
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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 ...
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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 ...
2
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1answer
865 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
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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 ...
3
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0answers
24 views

Systemd: start a unit after another unit REALLY starts

In my particular case I want to start remote-fs unit after all glusterfs completely starts. My systemd files: glusterfs target: node04:/usr/lib/systemd/system # cat glusterfsd.service [Unit] ...
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1answer
971 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 ...
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0answers
16 views

vagrant ssh - asks for password after adding synced_folder

I can vagrant ssh into my box fine Welcome to Ubuntu 14.04.2 LTS (GNU/Linux 3.16.0-30-generic x86_64) * Documentation: https://help.ubuntu.com/ Last login: Mon Apr 13 13:05:26 2015 from 10.0.2.2 ...
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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
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1answer
21 views

Storing backups on a remote filesystem

I have a FreeNAS solution, in which I'll would like to save my backups. Currently I was doing some scripting to rsync/tarball, but I want a something more easy to manage, so I figure out, to run a ...
2
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1answer
35 views

NFS performs ways worse than SSHFS, how can I debug?

Situation: zfs server over 10GbE p2p at 192.168.201.1 running omnios, debian client at 192.168.201.2. The nfs performs fairly well on big files but horribly slow on small ones. For instance, cp -r ...
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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 ...
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0answers
34 views

NFS: client does not see new files created on server (caching?)

The NFS server is a SLES11SP3, here is the exports statement: /media/data *domain.com(rw,sync,no_root_squash,fsid=1) I suspect this is a caching issue on the client (RHEL6), however I believe I ...
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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 ...
0
votes
1answer
919 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
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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 ...
2
votes
0answers
51 views

Problems on mounted NFS: 'No such file or directory' but files and directories exist

So we are having a medium-sized NFS4 storage server running CentOS 6.6 exporting an NFS share /storageDat (which is the NFS root, with two RAID volumes bound in there: ./dat1 and ./dat2); Export ...
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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: ...
0
votes
0answers
16 views

Put “.nfs” files created by NFS client in another location?

The setup is a Linux machine that mounts a filesystem over NFS. There is a process that needs to recursively remove directories on the NFS filesystem and ensure the directories are successfully ...
0
votes
1answer
937 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 ...
2
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 ...
2
votes
0answers
42 views

Mount only sub-directory in NFS export [migrated]

On my NAS I export one single filesystem: /mnt/datastore *(rw,sync,no_subtree_check,all_squash,fsid=0) With /mnt/datastore/ being the mount point of a FUSE based concatenation of a bunch of disks. ...
0
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1answer
35 views

Passing Linux NFS traffic through Windows Server 2008

We are developing an embedded device that runs on Linux and uses NFS mounts to aid in development. We are working in two private network spaces (172.16.x.y and 192.168.0.n). The 192 network contains ...
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1answer
32 views

NFS Server “outbound” bandwidth consumption

I need to understand about something in NFS (Server). Let say i have: Two Different Clouds (One Server on each) One NFS Server One Apache Server (as the NFS Client) with a NFS Mounted Directory ...
4
votes
2answers
932 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
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0answers
46 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 ...
2
votes
1answer
24 views

rsnapshot Freezes when Backing up to NFS Mount

I've got a Server running Ubuntu Server 14.04 server that has been doing periodic back-ups to an NFS mounted NAS using rsnapshot for several months now without issue. Last week we added a few more ...
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votes
0answers
7 views

OS X 10.9 NFSv4 mount option fails with “Program version wrong” [migrated]

I'm trying to mount an NFSv4 export in OS X 10.9 from localhost. man mount_nfs suggests that mount -t nfs -o nfsvers=4 127.0.0.1:/export/path mnt/pnt should do the trick but then exits with code 75 ...
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1answer
12 views

Is this possible/advisable to establish SAMBA share across domains?

I realize this question will likely turn out rather complex and require a lenghty description. Likewise there’ll probably not be any short simple answer. I’ve got a large data-store (a SAN) that is ...
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 ...
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 ...
0
votes
0answers
75 views

NFS service fails on LX-Containers

When I restart NFS daemon on my LX-Container I see below mssages service nfs restart Shutting down NFS daemon: [FAILED] Shutting down NFS mountd: ...
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 ...
0
votes
0answers
20 views

Use VPNC only for NFS mount

I have a configured and working vpnc connection. I have a configured and working NFS mount. My local computer is the client. The NFS server is remote (in the same rack as the other end of the VPN ...
1
vote
2answers
146 views

having trouble setting up NFS server on centos 6.5

Setup: Provider: Linode nfs server: a linode with centos 6.5 nfs client: a linode with centos 6.5 When I tried mounting mount.nfs: access denied by server while mounting x.x.x.x:/shared This is ...
2
votes
0answers
43 views

NFS randomly mounts wrong server

I have run into a problem with NFS which has me baffled. I can't even come up with a plausible explanation for it. I have ten machines: slave1 (10.0.0.10) - slave10 (10.0.0.20) Each one runs NFS ...
0
votes
1answer
144 views

Sudo keeps asking for password on / mounted over NFS

I have a diskless server booting Ubuntu 14.04 with / taken from NFS. I use nfs-kernel-server. I have some strange behaviour of sudo and locate. sudo keeps asking for passwords despite the Defaults ...
0
votes
1answer
22 views

ESXi 5 NFS mount with credentials

Is it possible for an ESXi 5 host to mount a remote NFS share using credentials other than root? (The default)? If so, how would one setup those credentials and mount from VSphere?
0
votes
0answers
92 views

Python libraries slow to load from NFS mount point

Several of our computers are diskless, and they load their Python libraries from an NFS mount point across the network. This means it can take up to three minutes to start up a Python process that ...
0
votes
0answers
30 views

NFS: can't unmount when server goes down. Must “fake” fsid on server1, NO SOLUTION WORKS ON SERVERFAULT

I have dir1 and dir2 NFS mounted to server2 from server1. If server1 suddenly dies or must be rebooted, AND dir1 and dir2 were not first unmounted on server2, then a remount of dir2 always fails ...
0
votes
2answers
505 views

No acl on nfs mount in linux?

I have several RHEL6 machines. One is exporting an nfs mount to the rest. I have ACL's set on the server (set using setfacl -m), but none of the clients are seeing any of them. Here is my export on ...
0
votes
1answer
17 views

How to manage the nfs client after a nfs service restart?

After a restart of the NFS service, how do I manage the clients? All the clients I have do not have an NFS entry in the /etc/fstab, so I will not be able to do mount -a to refresh the connections. ...
2
votes
1answer
582 views

Folder shares over NFSv4 private to user groups

I want to share a folder over NFSv4, available to some users, and I'm having permission issues. I set up the folder permissions with setGID so new files are created with the folder group owner. But ...
0
votes
0answers
33 views

Linux NFS - 'stat' on defunct NFS mount causes blocked ('D') state processes and high load average

I'm rearranging some NFS mounts - tidying up and decommissioning them. As part of this, my 'management' server has gained a huge load average, because of nagios kicking off 'stat' on the NFS mounts. ...
0
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0answers
121 views

Permission Denied on Solaris 10 NFS share, shared trough Windows Server 2008R2

We have a NFS share on Windows Server 2008 R2. NTFS permissions for ANONYMOUS LOGON and Everyone groups are set to Full control. When mounting this share on our Solaris workstation, it mounts and we ...
1
vote
1answer
66 views

I have to “fudge” a change in /etc/exports in order to get mount -a to execute, what's the issue?

Whenever I have to reboot server1, the only way I can get NFS mounts back up on server2 is to change one of the "fsid" integers in the /etc/exports file on server1. Otherwise, the mount -a command ...
1
vote
1answer
95 views

Linux fixed file size copy from Windows Server 2012 NFS share

Company is in the process of switching from hosting MongoDB on windows server 2012 to hosting on linux(ubuntu 14.04) Current backup and restore strategy involves copying all the data files via ...
2
votes
1answer
4k views

mount: mount to NFS server 'IPADDRESS' failed: RPC Error: Program not registered

I've got two Redhat5/CentOS systems which share a folder. I'm trying to change the shared folder location, but I ran into this error on the machine on which the folder is mounted... How can I correct ...
2
votes
2answers
90 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 ...