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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2answers
224 views

Latency on appearance of files written via NFS share

I have two CentOS OS servers, one acts a NFS file server, and the other as development server. The NFS server and client are running v3 of NFS. When the client writes to a NFS share I'm seeing an odd ...
3
votes
3answers
2k views

multiple mounts of same NFS share on one client?

I'm moving webspace content to NFSv3 shares. Because of suexec restrictions I have different paths to different subsets of the content on the client. I wonder if I can still have all of the content in ...
1
vote
0answers
73 views

Single process blocks NFS mount on entire node

We have an NFS mount and a PBS cluster in which all nodes mount that NFS mountpoint. We are experiencing that a single process on one of the PBS cluster nodes can completely saturate and bog down the ...
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 ...
3
votes
1answer
327 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 ...
2
votes
1answer
1k views

NFSv4 permissions on AIX

I am attempting to use an NFSv4 mount across two systems that do not share UID/GIDs. This is for a system migration where the old environment used whatever UID/GIDs were available, and they now ...
1
vote
1answer
203 views

NetApp ONTAP 7.1: Enable async on NFS export

Is there an async feature for NFS exports on NetApp ONTAP 7.1? If so, how can it be enabled? The best search result I've found so far was an unanswered post on the NetApp forums: ...
0
votes
1answer
1k views

QNAP: ACL does not work over NFS

Having difficulties making Linux ACL (getfacl/setfacl) work with NFS shares. We are using Ubuntu clients and QNAP storage as server. At the moment only root user on Ubuntu has read/write access. ...
0
votes
2answers
145 views

Distributing website files with local redundancy [closed]

So we're looking at migrating our single dedicated server (set up like shared web hosting) to an architecture with multiple load-balanced front-end servers plus separate database servers (due to ...
1
vote
1answer
1k views

mount using nfs4 giving no such device error

I am trying to mount a folder workspace from server to the client over NFS. For this I bind the folder to an /export by adding the following in my /etc/fstab on server: /home /export none bind ...
3
votes
1answer
358 views

build user chroot on first login

I'm using ldap for remote user authentication and I basically need to either figure out how to: a. chroot a user on machine b from machine a via nfs,(which doesn't seem possible without mounting ...
0
votes
1answer
434 views

Proper Way to Auto Mount NFS/Samba Shares Before Apache Startup at Boot?

I'm using an Ubuntu 12.04 (Server) VM as a development web server. I keep the served files on the VM host, therefore Apache uses NFS mounted directories for DocumentRoot To keep things as automated, ...
0
votes
1answer
80 views

NFS server “access denied” after client Reboot

I have a number of NFS servers on a set of commercial NAS hardware we bought. I also have about 20-30 other machines that mount each of the NFS servers. Generally the setup works well, but I've ...
2
votes
1answer
777 views

Linux NFS - set default user for new files on nfs share

I use CentOs as nfs server nad 2 Centos machines as clients. I have some problems with permisions/ownership for new files/directories created from clients on nfs share. My exports file: ...
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votes
1answer
1k views

Is nfs good to share disk images over the internet? [closed]

I have an image server, this server contains disk images to be used by virtual machines. The server has to allow the runtime creation of new images, so iscsi is not good as it requires to restart the ...
0
votes
0answers
2k views

Cannot mount external FreeNAS NFS on XenServer VM or Dom0

I'm hoping someone can help identify a problem or at least send me in the right direction. I've created an NFS share on FreeNAS. The server has an external IP. I can mount this on my Debian machine ...
6
votes
8answers
479 views

Term for a _____ of servers whose network shares are distinct from another _____ of servers [closed]

I'm looking for a term for use in documentation, and felt that SF users would have the more experienced set of terminologies compared to other sites. At work there are development servers in the ...
1
vote
0answers
320 views

Confirm IPTables firewall settings for NFS v4 server?

This question has been asked here before but has conflicting and possibly outdated answers. It seems to depend on OS, version of OS, and version of NFS. On a CentOS 6.5 server, the default rules are ...
1
vote
0answers
807 views

NFS server service won't stop, client mount timeout?

Client machines were able to connect to our NFS server earlier this afternoon, and everything was running fine. The setup has been working fine for several years. No configuration changes were made on ...
1
vote
0answers
464 views

Sharing a folder through NFSv4 and Samba on Ubuntu

I encountered problem with configure samba server above nfsv4. I have 2 servers with Ubuntu 12.04 on both of them. First server serve as NFSv4 storage, for VDI and user shares. File system is ext4. ...
2
votes
0answers
83 views

How do I get the file name corresponding to an NFS file handle on Linux?

I have tcpdump output of some NFS traffic, it shows which file handles are being read or written. I'd like to know which files they correspond to. There's got to be an existing tool which will list ...
1
vote
0answers
52 views

Strange glitch with NIS

Good day. One of the network users with the NIS account (yp and automount) has some problems: after editing network service configufation file (/etc/sysconfig/network) and rebooting ...
0
votes
0answers
696 views

Yet Another NFS Permissions Error: Linux NFS4 Access Denied ('Auth Bogus Credentials (seal broken)') from NAT'd VM

Inside the VM, host address is 10.0.2.2, local address is 10.0.2.15. (VirtualBox). This gets translated to 127.0.0.1 on the host side. To connect: sudo mount -vvvt nfs4 -o clientaddr=127.0.0.1 ...
1
vote
1answer
244 views

NFS on Godaddy VPS

I'm having big trouble trying to setup nfs sharing folder between 2 VPS I have on GoDaddy, Tried to follow lots of step-by-step guides to do this, but I can't start NFS service, I get this error when ...
5
votes
1answer
2k views

Gluster + ZFS, deadlock during benchmarking: zfs_iput_taskq 100% cpu

First some background: I work at a company that runs a PHP-webapplication. We have a storage backend mounted over NFS on several webservers. Today we have the issue if one webserver writes a file over ...
2
votes
1answer
674 views

NFS failover fails with stale file handles while migrating resources

Running into a bit of a problem here , I set up two servers ( Centos 6 ) with Glusterfs and a shared directory between them, I have moved the nfs directory to the shared Gluster folder and have ...
1
vote
0answers
164 views

Very strange NFS speed

I've been looking into this behaviour for quite a bit, I'm not sure if it's normal but strange or an issue, I'm hoping someone can provide some info: I have a small linux server, but am using windows ...
0
votes
2answers
2k views

nobody user/group with NIS/NFS

Software overview Machine A(NIS server): CentOS 6.2 Machine B:(NFS server) CentoS 6.2 Client machines: OpenSuse 12.3, CentOS 6.4 and CentOS 5.6 Introduction and setup Machine A is an NIS server ...
0
votes
1answer
88 views

Which network file systems can deal with huge amount of subdirectories?

I need a network file system that can be accessed from multiple machines as the same time and that it will still be able to keep like 100.000 subdirectories of a single directory. In case someone is ...
0
votes
1answer
342 views

How to enable nfsd to support IPv6 on Ubuntu Linux?

I need to enable IPv6 NFS support on a Ubuntu linux server. This server has support IPv4 NFS. Linux info - root@nimbus-nfsserver:~# uname -a Linux nimbus-nfsserver 2.6.35-22-server #35-Ubuntu SMP ...
1
vote
1answer
321 views

NFS: force file mode/mask on mount?

I have a QNAP NAS on my network that exports some NFS shares, which I'm mounting on a linux machine. One of the shares has data only (no executable files). However, when I mount the NFS share, all the ...
0
votes
1answer
3k views

Which file sharing protocol (SMB/AFS/NFS/SMB2/SMB3) is best for an mixed client environment within an ad?

I'm just setting up freenas with ZFS and was wondering which file sharing protocol / data transfer protocol is the best to use? Has anyone experiences? I guess i have a very typical business setup. I ...
0
votes
1answer
123 views

What is changing the network interfaces?

I installed Ubuntu 12.04 to virtual machine. I have edited /etc/network/interfaces like this: auto lo iface lo inet loopback auto eth0 iface eth0 inet dhcp Then I created a livecd.iso using ...
0
votes
1answer
269 views

How to allow writing locally on read-only NFS Partition

I created my own PXE/NFS network boot server on Ubuntu 12.04 as explained here. I can write to files on client side if I change /etc/exports file like this on server side: /srv/ubuntulivecd/ ...
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 ...
1
vote
1answer
2k views

Fully disable IPv6 for rpc on NFS server - Ubuntu 12.04 LTS

I'm trying to disable IPv6 completely on my NFS server (Ubuntu 12.04 LTS precise), but still seem to have some IPv6 ports listening as shown when I run netstat -lp: Proto Recv-Q Send-Q Local Address ...
1
vote
1answer
230 views

Mounting an NFS or SMB share onto OSX only while connected to VPN

I'm setting up my machine to connect to network share resources at the place I work (there are NFS shares and SMB shares). This access is only possible through VPN. So my question is, Is there a way ...
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votes
2answers
126 views

What network based file system for linux allows for read only access,remote access and allows for mounting at any time?

I'm brainstorming at the moment, but basically this is what I need: A remotely accessible and mountable file system for Linux That requires no password or key to access. Is read only Allows multiple ...
1
vote
1answer
40 views

Spontaneously unmounting NFS exports and nicstat network activity

We have one server which exports two partitions which are massive (one is 61 TB, the other is 28 TB), and we have a lot of users reading and writing to these when mounted on another machine. We have ...
1
vote
1answer
285 views

Can't rsync files to NFS mount where file has special characters

I am trying to backup a few directories (Millions of files) and a handful (A thousand or so) have special characters. For example, the source file is '78192-File Name ? Name File.pdf' And rsync ...
2
votes
0answers
1k views

Windows 7 NFS Client Using Kerberos and Linux KDC

I am trying to configure a Windows 7 Enterprise client to mount a NFSv4 share on a Linux NFS server using Kerberos and a Linux KDC. The setup is: IPA Server (OS: Scientific Linux 6.4, Pkg: ...
1
vote
0answers
68 views

alternative to smb.conf / normal samba configuration

I have a Ubuntu-based server that provides SMB access for many users. Is there any way I could manage the shares and user permissions WITHOUT having to update smb.conf everytime? I'm not using LDAP in ...
1
vote
1answer
128 views

NFSv4 through portforward

I would like to reach my NFSv4 servers though port forward. The big plan will be a cluster of NFSv4 servers loadbalanced with HAProxy running on localhost. But this isn't really important now. At the ...
4
votes
1answer
297 views

Single Sign On and NFS permissions on Windows

Like many, I've been trying to move away from Microsoft Active Directory + CIFS file sharing into a custom LDAP solution + NFSv4. All the workstations here run Windows 7, and I have set up the ...
1
vote
0answers
155 views

NAS delay file-availability

I have two machines accessing to a NAS on the same network (OVH), when I update or create some file in machine 1 after I try to read it from machine 2 and it's not accessible, even not visible for a ...
0
votes
0answers
360 views

Attribute caching of dovecot maildir boxes over NFS

I admin a mail server cluster: there're two different hosts that use a common NFS share to store maildir. Dovecot is the LDA. CPU load on NFS is really high, although real i/o operation on the disk ...
-3
votes
1answer
974 views

NFS over wifi very slow

I have a NFS server hooked up to a client over a wireless network (n-router, b/g-client). I have terribly slow transfer rates of around 1.00 to 1.50 MB/s. I cannot seem to figure out how to improve ...
0
votes
1answer
843 views

export the same folder with NFS and SMB

The issue On my workplace, we have a rich environment of client including windows (from 95 to 8, also corresponding server editions), mac (from 10.6 to 10.8), linux (ubuntu, centos, redhat) and ...
2
votes
0answers
266 views

ZFS on RedHat configuration

I have to set up a ZFS storage appliance (Oracle ZFS Storage ZS3-2) with NFSv4. The NFS is mounted on a Redhat 6.5 cluster, where the linux users are created (they don`t exist on the appliance). ...
5
votes
1answer
3k views

Relationship between MTU and NFS rsize/wsize options

I'm trying to understand networking settings related to NFS and various buffer sizes (and there are quite a few). I'm running wireshark and inspecting the TCP packets arriving at the NFS server. ...