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4 views

Unable to mount root fs over NFS [migrated]

I am attempting to set up the first (of many) Raspberry Pis running Pidora to boot from an NFS share. It is my goal to eventually place a dozen or more Raspberry Pis in the datacenter I use to power ...
0
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0answers
28 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 ...
1
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0answers
48 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
80 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
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0answers
14 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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0answers
89 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
votes
1answer
54 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
77 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This question has been asked here before but has conflicting and possibly outdated answers.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 ...
0
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0answers
175 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 ...
1
vote
1answer
507 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
350 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
207 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
73 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
128 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
78 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
100 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
66 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
21 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. ...
0
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2answers
54 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
608 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
219 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
votes
1answer
132 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
66 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
97 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
99 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
172 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
874 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 ...
0
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0answers
46 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 ...
4
votes
2answers
972 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
732 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 ...
0
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2answers
314 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
228 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 ...
7
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4answers
698 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
votes
1answer
662 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
401 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
200 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
77 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
747 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 ...
0
votes
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 ...
0
votes
1answer
1k 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
votes
2answers
709 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
vote
1answer
350 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. ...
0
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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: ...
3
votes
1answer
841 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
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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
votes
1answer
678 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 ...
1
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1answer
3k views

Windows Server 2008 R2 Server for NFS Anonymous Access

I have an NFS share on a Windows 2003 Server that is working perfectly with read/write access using anonymous access. I am moving to a Windows Server 2008 R2 machine and am trying to do the same. I ...
2
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0answers
694 views

how to tune NFS client on MacOS to get Linux like performance?

I have a NFS server running Linux and exporting a couple of shares. Both Linux and MacOS clients connect to the server, and while with the Linux clients I get ~ 75MB/s write speed, the MacOS clients ...
2
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2answers
744 views

How to hide shadow-copies in NFS shares?

I have a Ubuntu server with both samba and nfs-server. The server does snapshotting for the exported directory and the samba server uses the snapshots to emulate shadow copies. ( vfs objects = ...