The nfs-server tag has no wiki summary.
19
votes
1answer
919 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 ...
7
votes
4answers
203 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 ...
4
votes
2answers
132 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 ...
4
votes
3answers
736 views
monitoring nfs with monit
I'd like to monitor NFS mounts and the NFS server process using Monit.
On the server, I'd need a PID file, but I can't seem to find a way of getting that created with existing configuration files. ...
4
votes
1answer
79 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, ...
3
votes
1answer
305 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
...
2
votes
3answers
510 views
How should I install NFS on a linux system?
I have two systems and I need to setup a folder on one of them that is completely read/write-able by the other.
Questions:
1) How do I setup NFS on the server(s)? It is not installed as an available ...
2
votes
1answer
239 views
How to change NFS export allowed IP addresses on Mac OS X Server (Tiger)?
I am running NFS on a Mac OS X Server 10.4. I had originally set up the NFS exports in the GUI, and restricted the IP addresses in the GUI to which it can export.
Right now, I only have command-line ...
2
votes
2answers
354 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 = ...
2
votes
1answer
457 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 ...
2
votes
1answer
64 views
Performance Penalty with increasing number of NFS exports
We are using NFS for distributing users HOME through our network. Currently we simple export the complete folder containing all HOMEs. Thus each users home is in the end
/home/SERVER/USER
Now I like ...
2
votes
1answer
726 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 ...
1
vote
2answers
1k views
How to create a Mirror of an NFS Share?
For back-up and restoration purposes the purpose of retiring an old server, I will need to create a perfect mirror image of an NFS share. This mirror is not a simple re-direct, but rather, an exact ...
1
vote
2answers
670 views
nfs server on cygwin slow
The setup:
We run an instance of cygwin nfsd on a Windows 2008 Server (Xeon 3,2 GHz). There are several Sun Solaris and SunOS machines accessing the shares.
This is the exports file:
/disk3 ...
1
vote
2answers
206 views
Unknown process on port, lsof no help, nfs-kernel-server?
During a standard security sweep we found out a something was listening on a port unknown to us, 2030, and we are having trouble determining the source.
# netstat -anp | grep LIST
tcp 0 0 ...
1
vote
2answers
256 views
How to share USB drive via NFS on FreeBSD
I'm trying to share USB hard drive with msdosfs connected like this:
mount_msdosfs -o large /dev/da1s1 /mnt/usb
I can see mounted drive:
/dev/da1s1 on /mnt/usb (msdosfs, local)
but when I'm ...
1
vote
1answer
851 views
CentOS 6: Can not start NFS
I am unable to start the NFS service. When starting there is no error. But the services are stopt after it. No messages at all in /var/log/messages. Same happens to rpcbind serivce. Any idea what this ...
1
vote
3answers
1k views
Which NFS server should we use on Windows Server 2008 R2?
We need to serve NFS shares from our Windows Server 2008 R2 machine to Solaris 5.10 clients, since apparently we are unable to mount SMB shares on our Solaris 5.10 machines :( What's the recommended ...
1
vote
1answer
646 views
Autoscaling and NFS Server
I have a WebServer say WS-1 and a NFS server say NFS-1 setup on AWS. WS-1 is being managed by an elastic load balancer and also autoscaled. It also has an EBS mounted on /var/www which contains all ...
1
vote
0answers
46 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 ...
1
vote
0answers
471 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 ...
1
vote
0answers
541 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 ...
1
vote
1answer
170 views
Need rpcsec_gss_krb5 and Linux kernel 2.6.35+ on EC2
I am trying to do Kerberos-auth:d NFS4 on EC2. In order to do this, it seems one wants a kernel at least 2.6.35 in order to get decent encryption algos. The distro I could find that provides this is ...
1
vote
1answer
2k views
ubuntu: configure iptables to allow NFS traffic [duplicate]
Possible Duplicate:
Running NFS with iptables, change firewall?
I need to allow a client to connect to a nfs server. If I disable iptables then NFS works great.
I understand that when NFS ...
1
vote
1answer
274 views
problem in exporting a partition on a usb stick as nfs volume
I have a USB disk which has 2 partitions.It gets mounted automatically in /media
It is the default behavior in the OS (Lucid 10.04 64 bit) that upon connecting a USB (be it thumb drive or hard disk) ...
0
votes
2answers
4k views
Problem with NFS server lockd timing out on Debian linux
We've recently upgraded an NFS server (called "ian"), and after the upgrade, NFS is broken, whereas it wasn't before. The server is now running Debian "lenny", with kernel version 2.6.26-2; it's a ...
0
votes
2answers
206 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 ...
0
votes
1answer
101 views
Solaris NFS server: don't resolve IPs
Is there any way to configure Solaris NFS server to not backresolve IPs of the client machines when checking access control, except specifying @ before every IP? We never use hostnames so would like ...
0
votes
2answers
70 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 ...
0
votes
1answer
677 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
194 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
votes
1answer
855 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: ...
0
votes
1answer
252 views
Dovecot, maildir on Windows 2008r2 NFS share
I'm really banging my head on this one. I have a CentOS 6.1 running postfix/dovecot accessing a Windows 2008R2sp1 NFS share. In a test where the Windows server is a stand-alone file server, I can ...
0
votes
1answer
466 views
Connecting to Redundant NFS Servers (Load Balancers or Round-Robin DNS?)
In a typical NFS setup with redundant servers (multiple boxes), do people use a load balancer or round-robin DNS to achieve a single connection vector for clients?
Is there a better way to do this ...
0
votes
1answer
37 views
Present a drive on a server as a NFS to other network devices
Is there a tool that would allow me to take a shared folder on a server running server 2008 and make it look like a NFS drive?
Thanks!
0
votes
1answer
868 views
Autofs mount nfs issues
I'm having some issues getting autofs to work properly on a new Centos 5.5 installation.
Please find Exports from my storage servers:
/san/files *(rw,sync,no_subtree_check,no_root_squash)
/san/mail ...
0
votes
4answers
2k views
How do I recover from a hung machine with an 'nfs server *** not responding' error?
nfs server *** not responding
nfs server *** not responding
nfs server *** not responding
nfs server *** not responding
nfs server *** not responding
nfs server *** not responding
I am getting this ...
0
votes
1answer
139 views
NFS: Odd behaviour
I have an odd situation with NFS after I rebooted the server. Before the boot I could access the NFS mount from my client machine no problem but suddenly I don't see the correct contents any more. For ...
0
votes
1answer
82 views
NFS directories created with wrong access
I created a shared NFS resource on a server to /share and mapped that on my client machine.
My problem is that even though I have defined this share on the server's /etc/exports as
/share ...
0
votes
0answers
15 views
Authenticate ubuntu Nfs server access using windows active directory
I have an Ubuntu NFS server installed. Would like all my team members to have their own username under /home dir on the server. Need to authenticate the access to the NFS server using Windows Active ...
0
votes
1answer
71 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
votes
2answers
35 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
1answer
72 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
0answers
122 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 ...
0
votes
0answers
130 views
Mounting NFS share between OSX and Centos VM
I'm having issues mounting an NFS share I've made on my Mac host (server) from a Centos VM (client). I'm getting a permission denied error.
I have this line in /etc/exports on server:
...
0
votes
1answer
296 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
0answers
410 views
NFS is slow and frequently fails. Can be due to rpcbind vulnerability?
We have NFS shared filesystem and our network is only accessible through one global IP address. rpcbind and nfs are running on entire nodes of these network to let them access shared filesystem. It is ...
0
votes
1answer
626 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
0answers
565 views
mount.nfs: access denied by server while mounting (null), can't find any log information
Two ubuntu servers: 10.0.8.2 is the client, 192.168.20.58 is the server.
Between the 2 machines, Ping works, ssh works (in both directions).
From 10.0.8.2
showmount -e 192.168.20.58
Export list for ...
0
votes
1answer
2k 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 ...
