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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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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
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 ...
0
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1answer
60 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 ...
0
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0answers
44 views

Can't read file perms from Linux when file is open in Windows (NFS share)

I have a folder that is shared from Windows (2012 R2) via NFS, and mounted in Linux (Ubuntu 14.04). Everything is working fine, except that when a file is open in Windows, even if it's just Read ...
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0answers
93 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 ...
3
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1answer
829 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 ~]# ...
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0answers
21 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 ...
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0answers
152 views

Single NFS folder shared across multiple clients

I'm trying to mount a single NFS folder from server say "/share/folder" to multiple clients up to 32 clients, and the clients tries to access the folder and create files. The problem I'm facing is ...
0
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1answer
71 views

Cannot find NFS server logs on CentOS 6.5

I cannot find the logs for a NFS server on a CentOS 6.5 machine. grep -Rni "nfs" /var/log/messages returns nothing useful. The NFS service is running and I am able to mount the NFS share from most ...
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0answers
126 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
289 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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vote
1answer
770 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 ...
2
votes
1answer
453 views

ZFS, NFS and Nexenta

Is this message familiar to someone ? zfs-clu-01a rpcmod: [ID 851375 kern.warning] WARNING: svc_cots_kdup no slots free zfs-clu-01a last message repeated 75220 times We have a lot of trouble ...
2
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0answers
266 views

NFS server export list empty

After upgrading my router, I am unable to mount NFS shares from a Debian server on an OS X client. I have updated /etc/exports according to the new IP address of the client (first line previously ...
0
votes
1answer
100 views

new centos os servers, nfs mounting is really slow

So i am setting up two new boxes (actually linodes) nfs.server - CentOS release 6.2 in my /etc/export i have /home/unit 192.168.131.103(sync,insecure,no_subtree_check,no_root_squash,rw) ...
1
vote
1answer
167 views

NFS mount still connected even after box is disconnected from network

I have a mount between a RHEL 5.6 and a Solaris 6 box acting as the NFS server. My mount options are simply rw,intr. When I disconnect the RHEL linux box from the network I am still able to write ...
1
vote
1answer
101 views

Augeas edit option if it exist, add otherwise - while referencing newly created node

I want to do something along the lines of: set /files/etc/exports/dir[. = '/export/home'][client = '10.0.0.0/8'] /export/home set /files/etc/exports/dir[. = '/export/home'][client = ...
0
votes
1answer
111 views

Read only NFS mount with local writes allowed

I would want to share a directory via NFS only read-only (data should not be corrupted). However I would want the client to be able to use the mounted folder as if it was read write, as transparently ...
0
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0answers
102 views

NFS Exporting UID/GID for Windows 7 Client Without Windows Server

I'm trying to export the uid/gid credentials that are set for the windows 7 native NFS client. They only need to be exported locally since they will be hooked directly into the NFSv3 Linux Server that ...
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1answer
22 views

Mount large nfs folder on small server - is it possible?

For example, we have: Server A with 30 Gb disk space Server B with 500 Gb disk space. It has /media folder (100 Gb - it's more, than whole A server disk space) I want to mount /media on server A. ...
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2answers
64 views

NFS host is not exporting the “share”

I have a NFS Server: usanfsd01 And a remote machine: usafssd01 I tried mounting a directory from usafssd01 onto usanfsd01 by adding the following line to /etc/fstab as root ...
2
votes
2answers
809 views

Removing and copying files slow on NFS folder

I have a server that hosts images and allows access to one directory for one client over NFS. The directory contains about 70K images and is 12GB big. When I execute commands like cp or rm on the ...
4
votes
1answer
245 views

Is there a way to limit the network bandwidth / filesystem use per user over NFS on a Solaris 10 file server?

We have a large file server running on Solaris 10 and about 200 computing nodes running on Ubuntu. The nodes access the file server over NFS. The load gets larger and larger over time. Is there a way ...
0
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1answer
155 views

Upgrading NFS/NIS Shared `/home` Setup

I am currently managing a network of workstations running different flavours of Ubuntu. The server (also Ubuntu) runs a NIS server and exports a shared /home directory over NFS (in v3 compatibility ...
0
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1answer
68 views

NFS performace degradation [closed]

I work for a small software house. We share our developers' home directories over NFS. The primary use for this is to host the users' git repository. Since last week, there has been a signficant ...
0
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1answer
142 views

Sharing LINUX NFS Folder on Windows Server

I have some CSV files on Linux. I would like to load them into my SQL Server with a stored procedure. I'm looking for a way to share the files via NFS with my Windows Server. I was wondering if ...
-1
votes
1answer
114 views

NFS directory not working

On the client server the NFS mount on /oracle/r12/inst/apps/database1 works as expected, but /oracle/r12/apps does not. For example if I touch test in /oracle/r12/inst/apps/database1 the file test ...
0
votes
1answer
217 views

Mounting NFS Folder on to a Remote Machine (Both machines are on Red Hat Linux)

I'm a newbie to Linux and would need some advice on the thing I'm trying to achieve with regards to mounting a NFS Folder I have a NFS Server: usanfsd01 And a remote machine: usafssd01 I've a ...
1
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1answer
989 views

NFS issue: clients can mount shares as NFSv3 but not as NFSv4 — or how to debug NFS?

Problem description I have a file server running Debian. On it I have a few NFS shares. When I mount the shares from a client using NFSv3 (mount.nfs 10.0.0.51:/exports/video /mnt -o ...
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0answers
50 views

GNU/Linux: nfsd will not die

I have a server that will not export NFS. It seems nfsd is hanging. So in an attempt to restart it, I tried to kill nfsd: # ps aux |grep '\[nfsd\]' | wc -l 8 # killall -9 nfsd # ps aux |grep ...
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2answers
1k views

/etc/exports & mount option

In my Linux server I have the following options in /etc/exports /home *(rw,sync,no_subtree_check,no_root_squash) And I mount from a Mac using mount -t nfs -o ...
0
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1answer
856 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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2answers
428 views

nfs, execution denied

I have server (debian 6) machine (say, ip = 10.13.13.100) with nfs exports /etc/exports /path/to/my/shared/folder 10.13.13.0/24(rw,async,no_sub_tree_check,no_root_squash) There are two users on ...
0
votes
2answers
251 views

How to find files with top io on solaris ZFS?

I have a Solaris 10 ZFS based NFS server. The physical disks are more or less at their maximum io rates. Performance is very bad - so we will add spindles. The NFS solely serves as storage for ...
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4answers
828 views

Securing NFS against SSH tunneling

I was idly reading http://nfs.sourceforge.net/nfs-howto/ar01s06.html trying to understand why localhost exports were bad when I got to the section "6.4. Tunneling NFS Through SSH". Everything in that ...
0
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2answers
840 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: ...
0
votes
1answer
446 views

Dual Linux NFS Server Failover - nfsv4leastime / nfsv4gracetime

first time here posting, i hope i won't do many mistakes. I've a setup with 2 NFS server. They're using corosync/pacemaker + drbd to offer active/passive nfs server. Distro used is Ubuntu latest LTS ...
4
votes
1answer
231 views

NFS soft mount timeout too slow

We have a VERY busy cluster of servers. Our 16 app servers serve our application off of a local SSD on each machine, but they also process images which are then served off of our cdn. Because of this, ...
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0answers
79 views

Preventing NFS Denial of Service

I have a NFS4 server running Ubuntu 10.04 Server, on an enterprise environment with 50+ clients. Overall, everything works fine, but from time to time, some client starts making +1000 NFS operations ...
0
votes
1answer
798 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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1answer
1k views

NFS4: rpc.idmapd or nfs.idmap upcall?

https://www.kernel.org/doc/Documentation/filesystems/nfs/idmapper.txt states: The file /etc/request-key.conf will need to be modified so /sbin/request-key can direct the upcall. The following line ...
1
vote
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 ...
0
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2answers
812 views

How to monitor which files are accessed through NFS?

I have a linux file server running CentOS 6. Files are accessed via NFS4. Sometimes I have problems with disk io load. I want to find out what is causing them. I can find out which client is causing ...
1
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1answer
386 views

NFS exportfs spamming logs. Is this a broken setup?

I have a NFS server running Ubuntu 10.04, serving an OCFS2 filesystem. The setup is somehow complicated because the server has Heartbeat and Pacemaker installed to make a cluster with another server. ...
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1answer
1k views

NFS Mounts Issues

Having some issue with a NFS Setup on the clients it just times out refuses to connect [root@host9 ~]# mount 192.168.0.17:/home/export /mnt/export mount: mount to NFS server '192.168.0.17' failed: ...
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1answer
906 views

How do I rearange a file tree and then export it over NFS?

I've got a backup server that stores incremental backups in a tree like this: /backups hourly.0 server 1 server 2 hourly.1 server 1 server 2 hourly.2 ...
20
votes
1answer
3k views

Understanding NFS4 (Linux server)

I've been a bit bothered by NFS4 on Linux. Some information 'out there' seems to conflict with other information, and other information appears hard to find. So here are a couple of things that caught ...
3
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1answer
1k views

How do I disable NFSv3/v2 connections to a FreeBSD NFSv4 server?

I am using a Kubuntu 11.10 client with a FreeBSD 9.0 server. The server has the following lines in /etc/rc.conf nfs_server_enable="YES" nfsv4_server_enable="YES" nfsuserd_enable="YES" and the ...
2
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1answer
699 views

NFS mounts showing files from other mounts

I have a server that holds ZFS snapshots that I export via NFS to the servers they are backing up so you can restore via a custom application written in-house. The issue is as follows: NOTE: I am ...