1
vote
0answers
12 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 ...
0
votes
0answers
52 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
0answers
132 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
813 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
votes
1answer
370 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 ...
1
vote
0answers
76 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
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
648 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
339 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. ...
20
votes
1answer
2k 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
votes
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
663 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
vote
0answers
768 views

nfs4 rpc.idmapd not working on one machine

I have an nfs4 server, with fsid=0 exported with no_subtree_check,no_all_squash,no_root_squash I have various clients working fine with this, a mixture of debian and arch, mounting with nfs4 and ...
0
votes
2answers
347 views

I have to restart nfs service every time after I boot Ubuntu Server 11.04

After a reboot of my Ubuntu server, the nfs shares and not accessible. I have to do sudo /etc/init.d/nfs-kernel-server restart and then clients can mount the nfs shares just fine. The service is ...