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 Caching Issue

We are having an issue that happens intermittently during a code deployment. NFS caches the files as they are read, but if a file is read during a code deploy it stays in a dirty state as if the file ...
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1answer
796 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 ...
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2answers
780 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 ...
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 ...
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1answer
964 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 ...
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1answer
2k views

NFS4 permission denied when userid does not match (even though idmap is working)

I have NFS4 setup with idmapd working correctly. ls -l from the client shows the correct user names, even though the user ids differ between the machines. However, when the user ids do not match, I ...
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0answers
19 views

Mount NFS share and symlink it to a directory using non-Administrator account

I'm on Windows 8.1 Enterprise and what I'm trying to do is to have a python script that will: Mount an NFS share for the current user Create a symlink in the current working directory to a drive ...
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0answers
4 views

Building NFS Server to be world writable [migrated]

I'm trying to build an NFS server on my Raspberry Pi which will be writable by any server on the network. The NFS share is a directory on an external device mounted at boot: $ cat /etc/fstab proc ...
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1answer
25 views

How to use LWRP on in AWS OpsWorks?

Ohai, ist there a way to use LWRP for Chef on AWS OpsWorks? How else would I execute this: nfs_export "/exports" do network '10.0.0.0/8' writeable false sync true options ['no_root_squash'] ...
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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 ...
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8answers
18k views

Why rsync is faster than NFS?

Few days ago I noticed something rather odd (at least for me). I ran rsync copying the same data and deleting it afterwards to NFS mount, called /nfs_mount/TEST. This /nfs_mount/TEST is ...
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1answer
47 views

Shared /home with NFS: chown /home/userdir to a user that doesn't exist on the server

Let's say I have a NFS /home on my server that gets mounted on boot by clients (EDIT: on their own machines -- locally), in order to have a common /home for my clients, this way they automatically ...
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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 ...
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0answers
59 views

LDAP authentication, pam_mkhomedir and NFS automounted homes

We currently have a setup (running on Ubuntu 12.04.5 LTS) with mixed LDAP/NIS authentication and automounted home directories from several servers (with the auto.home map distributed over NIS). ...
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1answer
823 views

NFS and mounted subdirectories

I have two physical disks mounted as such: sda1 -> /mnt/storage sdb1 -> /mnt/storage/homes I've exported /mnt/storage as an NFS share. The client sees all of the contents of /mnt/storage, ...
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1answer
978 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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4answers
4k views

exportfs: Warning: /home/user/share does not support NFS export

'exportfs -r' returns me this error when I'm trying to export /home/user/share (ext4): exportfs: Warning: /home/user/share does not support NFS export. /etc/exports: /home/user/share ...
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1answer
36 views

NFS permissions on a directory

I feel stupid not knowing this, but alas, I need to ask. I have a few directories being automounted via NFS on my CentOS boxes. Source is a Dell NAS or Openfiler (which we are working on migrating ...
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1answer
55 views

NFS lock not working properly

I'm getting the following error on an oracle database. ORA-27086: unable to lock file - already in use It tries to lock a file that resides in an NFS mount. The NFS is on a loopback setup (long ...
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1answer
737 views

How to setup WIndows 2008 as a NFS server for clonezilla

This sounded like an easy task to me, use clonezilla to image a laptop to a windows 2008 R2 NFS server. I got the clonezilla Live CD to boot on the Laptop. I got into the command line. I was able ...
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2answers
41 views

nfs client in vmware: access denied by server?

I have 2 machines with identically configured /etc/fstab's and identical versions of Ubuntu LTS. Fstab otherhost:/otherdir /mnt/otherdir nfs defaults 0 0 When mounting an nfs client: mount ...
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1answer
153 views

Since Upgrading NFS and Ubuntu to 14.04, All NFS Mounts Are Failing

Since upgrading my Ubuntu Machine, all my NFS mounts are hanging. I checked the syslog, and I'm seeing this now: Sep 29 04:29:10 ip-10-10-10-10 kernel: [ 9589.594814] RPC: AUTH_GSS upcall failed. ...
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3answers
11k 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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1answer
1k 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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votes
5answers
214 views

Requests take a really long time from certain ISP

We have an Apache server with PHP running on a virtual machine. Document roots are inside the users' home folders (/home/users/{first letter}/{username}/), and /home/users/ is mounted over NFS. It ...
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votes
2answers
3k views

Why is an nfs server mounted as rw returning read only filesystem errors

I am working on a Ubuntu Server 64bit. I have mounted an nfs as rw, but whenever I try to edit anything on the mountpoint in question, I get a read-only filesystem error my etc/fstab reads: # ...
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vote
1answer
868 views

Automounting home directories using LDAP in ArchLinux

I have managed to set up an OpenLDAP server that runs ArchLinux. I can now log in from the client (also ArchLinux) using the LDAP users. Now i want to mount the home directories over the network... I ...
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votes
2answers
45 views

EC2 autoscalling and code deployments

I'm just starting with EC2 load balancer and trying to implement autos-calling and fault-tolerance. The database is hosted in RDS, sessions are shared, files are shared using S3. I can't seem to ...
1
vote
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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2answers
836 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: ...
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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 ...
5
votes
3answers
68 views

Shared Disk in modern data center (SAN, virtualization, etc)

I'm a developer...treading here on foreign terrain. Please pardon any naivete. I work on an application that stores data both in a database and the filesystem. Context: Clustering and Network ...
5
votes
3answers
1k views

Moving pulseaudio out of home

We have a bunch of Ubuntu desktops with their home directories mounted as NFS shares. If an NFS connection is dropped, even for seemingly less than a second, pulseaudio loses its mind. The results ...
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0answers
28 views

Is it possible to make the NFS server and client work in single threaded mode?

Do we have any configuration file, so that it might be possible to make the NFS server and the client to work in single threaded mode ?
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1answer
61 views

External HDD ESXi VM Snapshot backups

I have a couple of ESXi hosts running a few servers on each and would like to backup to my external drive plugged into one of my hosts. I have setup ghettoVCB scripts on each host with a list of my ...
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votes
1answer
852 views

NFS server is ignoring anonuid?

On NFS server I've got user with UID=1024 and GID=1204. On client side too. Both servers are CentOS 6.4 (2.6.32-358.2.1.el6.x86_64). Right now anonuid/anongid is not working. Files aren't mapped to ...
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1answer
29 views

Combining two conditions for configuring NFS Server

Linux newbie here! Having a bit of trouble with writing the NFS config. I want to allow /directory/somedirectory to be accessed (read/write permission) to users that are part of 'group1' AND are also ...
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2answers
160 views

ec2 systemd unable to mount nfs on boot and it times out

I'm running latest version of Red Hat Enterprise Linux Server release 7.0 (Maipo): [root@ip-10-184-161-46 ~]# cat /etc/redhat-release Red Hat Enterprise Linux Server release 7.0 (Maipo) ...
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vote
1answer
78 views

NFS client does not pick up server after restart

EDIT : To summarize the issue, this is a problem with the NFS server changing IP address and the NFS clients not picking up the new address. I can see via tcpdump that the client still tries to ...
2
votes
0answers
21 views

Setting quotas from a Linux client on a SmartOS (OpenSolaris) based ZFS server

I have a SmartOS (an OS based on OpenSolaris) server running a few virtual machines. One of the ZFS volumes is shared as an NFS volume and mounted on one of the VMs which is running Debian wheezy. ...
2
votes
1answer
352 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: ...
10
votes
6answers
25k views

CentOS 6 + LDAP + NFS. File ownership is stuck on “nobody”

I've been trying to get LDAP authentication and NFS exported home directories on CentOS 6 working for a few days now. I've gotten to the point that I can now login to the client machine using the ...
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0answers
113 views

Can’t mount NFS share from linux server on windows

There is a linux server supporting NFS v3 and 4, and a virtual machine with WinXP running a client service for NFS. XP can ping the server, but cannot mount NFS shares. From /etc/exports: ...
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votes
1answer
136 views

File is different when read from NFS server

So I have a backup server we've been using for some time, it's a FreeBSD server running zfs and serving it over NFS. The export is simple: /backup/vm -maproot=root -alldirs. If relevant, that was ...
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0answers
79 views

NFS Synology NAS share serves wrong permissions

We have this really weird issue where the permissions on a file on an NFS share show unix permissions of 000 until I stat the directory that the file is in. For instance, if I run: while true do ...
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1answer
821 views

NFS mount drops to read-only during intermittent network failure

I have an NFS mount (say to /opt/foo) on a RHEL5 install that occasionally drops to a read-only filesystem after a short network failure...I have control over this box but not over the network, so I ...
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0answers
43 views

LDAP user's NFS files are mapped to nogroup (user ID mapped correctly)

In my office environment, I have set up multiple Ubuntu machines with LDAP authentication using the LDAP & NFSv4 server hostS. The LDAP/NFS server hostS exports the /home directory for all users ...
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0answers
18 views

Avoid client keytab with Kerberized NFSv4

I would like to setup a Kerberized NFSv4 server such that clients do not need a keytab to mount a volume (but such that users get their privileges according to their Kerberos ticket as usual). Is it ...
2
votes
4answers
3k 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 ...
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1answer
40 views

How to share my linux folder with mac mini over nfs [closed]

I tried to mount using following command after exporting the folder in linux source machine ( NFS server) . sudo mount -t nfs -o resvport,rw 192.168.12.10:/home/pavunkumar /private/nfs It is ...