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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NFS client requests file one at a time when listing directory

My company has a distributed infrastructure where we host an NFS share over the VPN. The file transfer speed isn't bad, but it takes forever to list files in some directories. I did some packet ...
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144 views

NFS4 and NFS3 mount proble with sec=krb5

I am having a problem when mounting the NFS server share using sec=krb5 The error is WARNING: Failed to create krb5 context for user with uid 0 for server YYY WARNING: Failed to create machine krb5 ...
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1answer
556 views

nfs file transfers fail, “cp: cannot stat 'dir_name': No such file or directory” but sshfs works fine

We have a strange issue on our file server (Debian Wheezy 32-bit), where some files within folders contained in an nfs share fail during transfer using the cp command. Howerver, if we mount the same ...
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2answers
2k views

SMB vs NFS authentication

Can anyone briefly describe me what is the biggest difference between SMB authentication and NFS v.3 authentication? I think that in SMB it is based on user's login and password whereas in NFS it is ...
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1answer
834 views

Static NFS mounts vs autofs direct map mounts

We are in the process of re-designing our NFS service and are at a point where we can choose either to mount our NFS shares statically from /etc/fstab at boot or as autofs direct maps. In our new ...
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1answer
64 views

NFS noac does not force synchronisation

I am running a cluster. The home directories are mounted using NFS. The following gives an error on the cluster: node-a$ ssh node-b touch /home/user/testFile && rm /home/user/testFile rm: ...
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0answers
33 views

Can I force nfsd on Solaris to announce more free space than physically available?

I'm working with various Solaris based distributions (OmniOS, SmartOS, Nexenta) and I have a highly compressible and deduplicable data set on a very small amount of high performance storage. The ...
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2answers
164 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 ...
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3answers
1k 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 ...
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0answers
63 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 ...
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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 ...
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40 views

Redirection of nfstraffic to different host ip

I am setting up an environment with NFS. I have a setting where a SVR1 has two interfaces. I receive NFS-requests on one interface(192.168.122.2). I need to redirect these nfs request via the other ...
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0answers
182 views

Cant set permission on NFS files through Windows client and Samba4 AD

Hello: First Excuse, my language is not English. Maybe they can help me with this problem. I have an old infrastructure with Samba2 Domain server. And another nfs server disk, connected and ...
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1answer
251 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 ...
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1answer
904 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 ...
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0answers
219 views

Debian 7 auto mounting .zfs snapshot directory

Today I come with another weird thing on Debian 7 that I cannot explain myself.. Context : Os: Debian7 Kernel: Linux http-apache-01a 3.2.0-4-amd64 #1 SMP Debian 3.2.54-2 x86_64 GNU/Linux This system ...
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1answer
158 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: ...
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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. ...
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2answers
130 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 ...
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1answer
926 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
301 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 ...
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1answer
350 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, ...
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1answer
63 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 ...
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1answer
656 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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1answer
813 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 ...
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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 ...
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0answers
110 views

CentOS (5.1), iptables and nfs: unable to connect from client

I'm trying to successfully mount/connect to a NFS-share from my MacBook. It's running Mavericks and the server set up (remote, webserver) I believe is correct. When I perform showmount -e domain.com ...
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8answers
474 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 ...
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0answers
279 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 ...
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0answers
558 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 ...
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0answers
361 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. ...
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0answers
72 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 ...
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0answers
49 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 ...
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0answers
55 views

Windows Server 2012 Server for NFS mounted by webserver -> create empty files

For the beginning, it wasn't my idea to use a Windows Server as a NFS-Server for our CentOS-Webserver. ;-) At the moment we have webservers, who has mounted a nfs-share from a Windows Server 2012. ...
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0answers
516 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 ...
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1answer
194 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
1k 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 ...
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1answer
560 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 ...
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0answers
144 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
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2answers
1k 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 ...
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1answer
79 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 ...
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1answer
246 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 ...
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vote
1answer
248 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
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1answer
2k 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 ...
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1answer
109 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 ...
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1answer
200 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
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1answer
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 ...
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1answer
1k 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 ...
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1answer
196 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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0answers
235 views

Mount nfs export in Server 2008 R2 using linux LDAP credentials

I have a linux domain running ldap. The Windows Server 2008R2 computer is "joined" to the ldap domain. I'm trying to get the Windows NFS client to mount a NFS export from a NFS Server which uses LDAP ...