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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18 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 ...
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1answer
36 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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22 views

Nodes crash with kernel panic due to some bugs in autofs4 module

Recently, my computing nodes started to crash very often. In a pool of ~100 nodes running Ubuntu 12.04 for scientific computing, a machine dies every hour with the following kernel panic message: ...
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15 views

Best storage solution for auto-scaling EC2 application? [closed]

I couldn't find a great solution. Everything, like NFS and GlusterFS have tutorials available that don't work properly and I would really like to have my application auto-scaling. I have a web app ...
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2answers
63 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, ...
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2answers
39 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
57 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
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0answers
28 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 ...
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1answer
53 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 ...
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7 views

NFS client replaces some remote folders with local folders

I am not sure if the title is descriptive enough, but I did my best to explain the problem. I have an Ubuntu 12.04 NFS server sharing home folder of user MyUser as /home/MyUser I also have a client ...
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0answers
10 views

<Directory /> doesn't (always) apply its settings to NFS-mounted home directories

Two different machines, a production and a test machine, are running CentOS 6, with the CentOS Apache package installed, and both version 2.2.15. The configuration on the test machine is an exact ...
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1answer
25 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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23 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
32 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 ...
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0answers
18 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
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2answers
395 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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0answers
27 views

Why does samba include seemingly bogus “supplementary groups”?

Our environment is subject to the "16 group limit" with Samba. We are using Samba version 3.6.12. Basically if a user is in more than 16 groups, the whole system gets hosed and things go haywire. ...
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0answers
43 views

Why are server side permissions on an NFS share changed when mounting from Windows 2008 R2 per Folder Redirection?

I have a CentOS server, that exports its /home directory through NFS. Another CentOS client machine is mounting these just fine, and using the exported home as its own home directory. Its /etc/exports ...
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0answers
57 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 ...
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1answer
22 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 ...
0
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1answer
60 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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1answer
39 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
174 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 ...
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0answers
11 views

Booting a Raspberry Pi from an NFS share [migrated]

I am trying to boot my Raspberry Pi using an NFS share. I have copied the boot partition of the Raspbian Wheezy image to the SD card and copied the root partition to a networked hard drive. I have ...
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1answer
55 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 ...
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0answers
27 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 ...
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0answers
33 views

Stop/Prevent NFS from resolving symbolic links in a share

I have an AWS instance that is running NFS. This is my exports file: /home/ec2-user/media *(rw,sync,no_root_squash,insecure) /home/ec2-user/var *(rw,sync,no_root_squash,insecure) Those directories ...
2
votes
1answer
128 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 ...
3
votes
1answer
70 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
51 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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0answers
19 views

FreeNAS NFS locks create extra files

I just upgraded FreeNAS from 8 to 9.2.1.6-RELEASE and now I am having some trouble with (what seems like) NFS locks. I am using the ZipArchive from PHP to add files to ZIP archives that are on an NFS ...
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1answer
27 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
41 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 ...
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0answers
13 views

Possible to use nfs-client in VM with non-bridged network adapter?

I've just discovered that when an nfs client connects to an nfs server, it sends the client's IP address to the server -- mount -vvv reports: ... mount.nfs: trying text-based options ...
0
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1answer
19 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
61 views

Red Hat with rpc.statd is not running and can't start nfslock

I try to mount from Linux machine to some folder on win machine. From the output I see that mount complains about rpc.statd. So I tried to start the nfslock but I got FAILED. Then I look on the ...
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0answers
42 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
52 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 ...
0
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0answers
40 views

Debian nfs-client shows nobody:nogroup

i have a running ldap-server, which works well with my webserver. Now i tried to get the nfs-server running with my a MySQL server. I (think) i did the same things like on my webserver configuration. ...
1
vote
1answer
149 views

automount - autofs mount issue on CentOS 6.5

Server CentOS 6.5 and Selinux is permissive My NFS server share in /etc/exports /home/unixmen/ 10.0.0.0/24 (rw,sync,no_root_squash) Client running on another CentOS 6.5 host , is able to mount ...
2
votes
0answers
149 views

NFSv4 idmapd ignores Nobody-User

I have a folder which is owned by ftp:users. I wanted to export this folder and have all requests mapped to the ftp user, which has id 107. In /etc/exportsI have the following: /media/other ...
1
vote
1answer
75 views

Window 2008 inherit permissions from parent on file created on linux nfs share connected to Windows

I have a Windows 2008 server with a NFS share called myhost/host_dev. The windows NFS share is set up to allow 'unmapped user access'. I am able to mount a Linux directory to that share using mount -t ...
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votes
1answer
38 views

choosing network interface based on network purpose [closed]

i have 3 NIC with ip address 10.10.10.2-eth0, 10.10.10.3-eth1, 10.10.10.4-eth2 An NFS server with IP 10.10.10.5 and want this NFS share to be accessed only through 10.10.10.3 that is through eth1 ...
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1answer
75 views

NFS mount NAS does not show all files

I have a problem with viewing files on an ext4 file system residing on a NAS, mounted as type NFS on a Linux server running CENTOS 6.5. I cannot view some files via ls or rsync that I know exist on ...
1
vote
1answer
49 views

Facing NFS file transfer issue, file gets truncated

I am getting this error while transferring files using NFS, and the file size is getting truncated Can anyone give me a hint? We tried 2GB, and the file gets truncated at 400 MB. Jun 20 11:09:22 ...
1
vote
1answer
127 views

Vagrant synced_folder syntax for nfs options (trying to disable nfs_export)

I'm trying to disable the nfs_export option in my Vagrantfile, so that Vagrant will not touch my /etc/exports. The Vagrant documentation says: NFS synced folders have a set of options that can be ...
2
votes
1answer
160 views

Is it possible to configure the Linux kernel I/O scheduler for an NFS mount?

On a normal block device you can change the i/o scheduler like this: # cat /sys/block/hda/queue/scheduler noop anticipatory deadline [cfq] # echo anticipatory > /sys/block/hda/queue/scheduler # ...
1
vote
1answer
112 views

CIFS and NFS: Permissions and underlying file systems

I have been doing a little reading, but am not completely clear still. My understanding is that NFS permissions are fairly black or white, and are controlled by the exports file (I believe there are ...
2
votes
2answers
57 views

NFS client keytab: multiple machines

How should one go about setting up client-side keytab files for each client machine to access network services? My working example is NFSv4, which requires each client to have a Kerberos keytab ...
1
vote
3answers
71 views

What's the best way to mitigate NFS and sudo?

Quick background: We have 40 workstations running Linux. NFS is used extensively for bulk data storage and home directories. This allows users to roam freely will relatively transparent file ...