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 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
1k 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 ...
2
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1answer
4k 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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2answers
718 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 ...
5
votes
3answers
208 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 ...
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0answers
37 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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5answers
289 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 ...
1
vote
1answer
38 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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1answer
210 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 ...
0
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1answer
239 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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0answers
268 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). ...
2
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0answers
98 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. ...
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vote
1answer
526 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 ...
0
votes
1answer
440 views

Centos7 not allowing nfs to be served

I just did a fresh centos7 and fedora 20 install on 2 systems. I have several current systems running on the network and can connect to an existing nfs share no problems. when any system triest to ...
1
vote
1answer
4k 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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0answers
295 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 ...
1
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0answers
206 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 ...
4
votes
1answer
255 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
99 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 ...
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1answer
106 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 ...
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0answers
143 views

“Unstable” NFS mount point

I've posted that on StackOverflow and I've been advised to move it here. Sorry for that. First of all, this is the first time I'm posting a question on ServerFault, so please don't kill me if I've ...
0
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1answer
43 views

install in nfs shared directory

I have a NFS Ubuntu server and have shared /opt directory among all clients. I want to install packages in /opt directory so that I dont have to install it in all clients. So what I did was download ...
0
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1answer
209 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 ...
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2answers
2k views

Linux NFS hangs after about 15 minutes

I'm somewhat new when it comes to administering Linux and NFS, so please bear with me. We are trying to setup a small cluster at work. Currently the system is just 2 DELL high-end workstations, ...
1
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2answers
111 views

Setting up a multi-host SAN

I'm looking for some advice on setting-up multi-host I/O access on our SAN: I have a blade enclosure (PowerEdge1000e) containing an Equallogic PS-M4110 storage blade with a single RAID6 volume ...
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1answer
2k 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 ...
1
vote
2answers
990 views

Proxmox - backup OpenVZ on NFS

I'm using Proxmox 3.2 with OpenVZ containers and I'm trying to setup a backup system for my 2 nodes cluster. I created a NFS share on a Debian 7.5 server (not under Proxmox, and not inside the ...
6
votes
2answers
19k views

“Stale NFS file handle” after reboot

On the server node, it is possible to access an exported folder. However, after reboots (both server and client), the folder is no longer accessible from the clients. On server # ls /data Folder1 ...
0
votes
1answer
597 views

Mounted gluster volume only accessible by root

I have a 2-node cluster with each node having two HDDs. The home directory of mpiuser is shared between the nodes via NFS(Used guide here). The 2nd HDD of each node was used to create a gluster ...
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0answers
85 views

getting rid of unused listening ports (kernel)

As a follow-up on this question, I have that issue (ports that are reported listening in netstat, but have no process linked to it) and it's the nlockmgr that's actually using these ports according to ...
1
vote
1answer
174 views

Poor performance executing “cp -al” over a NFS export

I am in the process of implementing a backup of a WD My Book Live Duo. This device is configured with software RAID0. The backup source directory is the root of the device, and the destination is a ...
0
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0answers
28 views

How to make shared space from HDDs of nodes in a cluster?

I have a 2-node cluster with each node having two HDDs. I want make a scratch space common to both nodes using the second HDD of each cluster. I mounted the 2nd HDD of master node as /home and have an ...
18
votes
2answers
434 views

An unknown tool is wiping our Virtual Machines and we can't ID it

A console view of a Windows 2008 R2 VM, on vSphere is showing the following screen: "Operation 2 of 2" "Wiping disk" Can someone advise on what this program is? Some information on this mystery: ...
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vote
0answers
323 views

rsync chgrp Failing on NFS

I am trying to set up NFS on two servers to share files. The owner of the files in question have the same UID and GID on NFS Server and each NFS client. The NFS Server is running on Ubuntu 14.04 and ...
1
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0answers
1k views

“The volume for a file has been externally altered …” and setting file sizes on write to NFS from Windows

I have set up NFS access to HDFS. I can connect to the default root share from both Windows and Linux clients and all clients can read from the share. Writing from the Linux client is also ok. When ...
0
votes
1answer
77 views

Process can't see recently created symlink on NFS

I have a small amount of old ubuntu desktops connected by a switch acting as a mini test cluster. The workers take commands from a master node via the SLURM queue manager. They share a data mount and ...
1
vote
2answers
684 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) ...
0
votes
1answer
381 views

Linux NFS mounted Windows network share

I am setting up a new box (Ubuntu 12.04 LTS) to play with and I mounted (via mount.cifs) a windows network share at /mnt/common. Also added the lines to fstab, mounts just fine at boot time. Now when ...
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0answers
535 views

Mounting NFS with sync option but without noac option

When I mount using the sync option: sudo mount -o vers=4,soft,sync,sec=none -t nfs 192.168.1.198:/js.js /mnt/self the sync option doesn't seem to get applied: $ cat /proc/mounts | grep nfs ...
0
votes
2answers
782 views

FreeBSD 10: NFS unable to export folder

I am unable to export a folder using NFS. /etc/exports /storage/test -maproot=nobody client /storage/test1 -ro -maproot=nobody client /storage/test2 -ro -maproot=nobody client The first folder ...
0
votes
0answers
180 views

NFS clients seeing stale state

I have a server exporting partition as: /data/foo *.example.com(rw,sync,all_squash,anonuid=502,anongid=502,subtree_check) ... and client mounting it as: myhost:/data/foo /home/myuser/foo ...
0
votes
1answer
553 views

Mounting NFS shares with pam_mount module

I am setting up a classroom environment where Windows 2012 R2 Server is used as a domain controller and file server. All the clients will be Kubuntu 14.04. I have set up the domain and NFS shares ...
2
votes
1answer
258 views

Linux read disk cache and NFS

I am interested in the impact of the read disk cache on accessing a file through NFS. Lets say I have a file on NFS. I access it (do "cat myfile") from a linux host "A". If there's enough RAM a file ...
4
votes
1answer
13k views

unable to write to mount point (nfs-server), getting “Permission denied”

I'm trying to configure NFS between two RHEL7 nodes: first node: [root@ip-10-164-175-246 ~]# cat /etc/redhat-release Red Hat Enterprise Linux Server release 7.0 (Maipo) [root@ip-10-164-175-246 ~]# ...
0
votes
1answer
1k views

XenServer 6.2: unable to detach NFS mount

We recently lost an NFS server. It was used to export a drive with ISO files for use in XenServer patching / updating / etc. The server has been replaced but the mounted drive can't be removed from ...
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votes
1answer
38 views

Deletion of User and home directory from NFS

I have 10 systems with opensuse installed in each of them.I have created 2 servers such that one is NIS and other is NFS , i have added lets say 5 users to NIS and their corresponding home ...
0
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1answer
173 views

Start Apache after GlusterFS mount on boot

I want to start Apache after mounting a NFS (GlusterFS) share, but it keeps starting before the mount step. I set the order in /etc/rc*.d/ but it didn't work. I always can edit the scripts to sleep a ...
0
votes
2answers
138 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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0answers
202 views

NTFS Share vs. NFS Datastore on VMware 5.5

I am currently using Physical Server 2012R2 of 10TB RAID5 mapped as a NTFS share to the Virtual Machine, which is a Camera Server 2012R2 hosted on VMware 5.5. Storage Server is used only for all video ...
0
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1answer
242 views

storage traffic not going through Bonded interface

hi few days back i have asked a question here choosing network interface based on network purpose on my Centos server there are 4 NICs i bonded first two NICs and created bond0 with an MTU of 8600 ...