nfs (Network File System) created by Sun Microsystems. NFS allows a client system to access network files as if local.

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NFS Automatic Fail-over or Load-balanced or Clustering?

I've been using NFS (and it is the only one i know well in Network Files) for a few years. But still can not able to find out .. How to make NFS Servers in Clustered Design (or Load-balanced?) Or at ...
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Slow NFS, nfsstat -c: what is authrefrsh (aka newcreds?) field about in detail?

(net-fs/nfs-utils-1.2.3-r1, 2.6.38.5-zen+ Gentoo) Googling this seems to be a complete dead end. man nfsstat says a whole lot of nothing about the subject. The closest I could get was finding out ...
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Mounting Directory - Connection Refused

I am trying to mount a Directory from my server to my local machine. This is because I want to edit the directory and execute the files without having the manually push the files to the server after ...
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1answer
559 views

NFS server optimization for maximum performance

I'm looking for maximum of performance for a NFS mount. I'm on local network, it could be completly unsecure, the performance is the most important in my case. What I already found : In /etc/export ...
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33 views

Strange behaviour of application running from NFS

I have two VMs running, one with Fedora 20 and the other with CentOS 6.6. I have a remote home directory mounted under /home1/user with autofs. /etc/auto.home1: user -fstype=nfs ...
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2answers
597 views

md5 or sha1 while copying a file

Is there a way in any linux distro to perform a md5sum or sha1 check while the file is being transferred from a local partition to an NFS one? Example: I have a NFS mounted drive and a very big file ...
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3k views

Using tcpdump to extract NFS RPC contents

Fairly simple question... I'm running tcpdump and trying to analyze the contents of the TCP packets between server/client. I see the "GETATTR" RPC being received, which is great! However, I want to ...
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1answer
657 views

Unable to mount root fs over NFS

I am attempting to set up the first (of many) Raspberry Pis running Pidora (a Fedora Remix) to boot from an NFS share. It is my goal to eventually place a dozen or more Raspberry Pis in the datacenter ...
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1answer
121 views

Understanding Kerberized NFSv4 Authorization

Articles such as this one seem to point out that Kerberizing NFS(v4) mounts not only prevents machines without a Kerberos service ticket from mounting the shared directory but also uses the user's ...
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30 views

View syscalls/kernel activity for I/O from a running process

I'd like to be able to view syscalls or kernel activity for a process...I'm not actually sure of the terminology I need here! Specifically I'm looking for the difference between I/O going to local ...
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1answer
749 views

Proxmox Master Node crashes

I've inadvertently discovered a Proxmox bug. I run a personal cluster of 4 nodes (a technology lab for giggles and gags). Each node has a Dell Perc 5i and 4 HDDs in RAID 10. The standard Proxmox ...
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1answer
4k views

NFS Mounting Error

From ServerA I shared directory /u001/app/oracle/FolderA and trying to mount this on SeverB under /media Contents of ServerA /etc/exports file /u001/app/oracle/FolderA ServerB(rw,sync) When I ...
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41 views

Home server bottleneck (filesystem server)

I am trying to set up a filesystem server, so that I can use my various laptops to transparently mount a directory containing many VirtualBox VMs, some of which run full graphics environments. I will ...
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2answers
671 views

NFS mount fails at boot time

I have the following in /etc/fstab on FreeBSD: venture:/usr/redacted /usr/local/redacted nfs rw 0 0 This fails during boot. However, after boot, the following command succeeds ...
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2answers
544 views

Mount windows share

I've just literally spent about 2 hours trying to simply mount a windows share on linux. Mounting with cifs causes deadly hangs as discussed here. So I tried to mount via nfs as discussed in this ...
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31 views

Is there a “supported” way in RHEL/CentOS 7 to union-mount a directory tree on top of an NFS mount point?

I have an NFS share containing almost 500 chrooted (s)ftp user's home directories. This NFS share is mounted on several FTP servers forming a highly available FTP cluster. I would like to enable ...
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3answers
46 views

How can I determine if an NFS remote is exporting a directory?

In my script, I have several layers of statusing: remote is available (ping) remote NFS service is active remote NFS is exporting a certain directory remote NFS is mounted (mount) For (2) and (3), ...
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35 views

LDAP and NFS on two different servers

I have an LDAP-server running on one server and an NFS-server running on another server. This arrangement seems to work providing I manually configure the LDAP users UID, GID home directory location ...
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49 views

reinit NFS client without restart

I have been working on my server, from which I export one directory using NFS. Of course over the week or so of server reboots, I multiple times forgot to umount the export filesystem in my ...
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3answers
5k views

Pulseaudio failed to create secure directory in nfs share

My pulseaudio cannot run, because it attempts to create ~/.config/pulse under a different user. (probably pulse?). user@localhost ~$ pulseaudio E: [pulseaudio] core-util.c: Failed to create secure ...
3
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2answers
980 views

NFS partition mounted as read only

(Disclaimer: I've read "NFS sharing is read only" and I think it's not the same problem) I have just setup NFS on my raspberry (Raspbian) and I'm trying to access it from OSX. So far so good, I can ...
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3answers
447 views

NFS server on qemu guest

I need to know how I can mount block devices, placed on a qemu guest system, from host. So in this case we have NFS server placed on guest system and NFS client on the host's side. There are a lot ...
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1answer
52 views

nfs mount works for tcp but not over udp

I'm connecting my raspberry pi (raspbmc) with my synology nas. I have 2 mounts 192.168.0.5:/volume1/video /mnt/video nfs udp,intr,noatime,rsize=32768,wsize=32768,nolock,nfsvers=3,async ...
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1answer
31 views

Is there a way to achieve context-dependent path names (CDPN) on NFS?

In my GFS clusters I use the CDPN feature to have separate chrooted /dev/log directories on separate cluster nodes: /home/ftpuser/foo: lrwxrwxrwx 1 root root 18 Sep 26 2010 dev -> ...
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2answers
821 views

root partition getting full with nfs mounted directory [closed]

I am having one nfs volume, which is mounted on one of the directory of root partition. My problem is when I checked df -ha it adds up mounted directory file content as well. Following are my ...
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1answer
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How do I change file/directory permission of a nfs mounted directory, so I access files as user?

On a Ubuntu computer I mounted a directory from another computer using the following line in the fstab: 12.34.56.78:/space/Images /mnt/space/images nfs rsize=16384,wsize=16384,rw,auto,nolock 0 0 ...
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1answer
116 views

Wildcard automounts with systemd

I’m running jessie/sid with systemd 208 and try to convert the following wildcard autofs configuration to either an /etc/fstab or .mount/.automount definition. $ cat /etc/auto.master /home/* ...
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29 views

Netboot with nfs root is failing during init when trying to mount root

I am using a CentOS 7 server with isc dhcpd installed as well as tftp and nfs. all are properly communicating. nfs is mounted on other systems as well as a normal install to the kvm guest. The kvm ...
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39 views

mounting nfs from Xubuntu 14.04.1 LTS to Oracle Linux 6 - I see empty folder

I have folder /media/vitaly/BACKUP/VMs/vmware/forte/PF/conf/. In my vmware player shared folder functionality not working - I don't know why. When I try to reconfigure vmware-tools I see Mounting HGFS ...
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15 views

Cross-NFS file move adds ACL

Moving a file from one NFS4 mount to another adds an ACL. The reason, if I understand the process correctly, is that mv queries the system.nfs4_acl extended attribute of the source file, and uses the ...
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Solaris 10 and 11 and nfs mountd port

On Linux and hpux i easy set mountd port editing /etc/default/nfs or /etc/nfsmount.conf On solaris i try to edit default/nfs but no success and mountd use random port. How to force mountd port? ...
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2answers
81 views

Linux sloppy mount

Could anyone describe to me what sloppy mount is? There's two mount points on my server but I have no idea how to erase the sloppy one. I hope some one could explain to me the potential faults or ...
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2answers
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Mounting NFS: owners are nobody:nogroup

I mounted an NFS filesytem from the shell using the code: LINE='nfs.mit.edu:/export/evodesign/beatdb /beatdb nfs tcp,intr,rw 0 0' grep "$LINE" /etc/fstab >/dev/null || echo $LINE >> ...
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1answer
107 views

Mounting a NFS file system by changing default owner

I want to mount a NFS file system with user/group ownership of <admin> . How it can be done ? mkdir /cert chown admin.admin /cert mount -t nfs 192.168.2.149:/portalweb /cert/
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1answer
45 views

Mount a NFS partition from a NAS server

We have a NAS server in the lab and I can reach it through the web interface at 192.168.1.100, and I have enabled NFS on the admin's panel. After that I did sudo aptitude install nfs-common sudo ...
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5answers
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Difference between “/export/home” and “/home”

In our UNIX machine my home path looks like /home/<userid> and we have another batch user whose home looks like /export/home/<userid> I want to know whats the difference between ...
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Tuning NFS: Identifying source of getattr requests

we run some Linux NFS clients against a NetApp NFS storage system. Currently we have over 50% getattr requests running against the NetApp using up precious CPU cycles. Using the netapp-top.pl script ...
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ZFS ACL (NFS4 ACL)

I'm using Openindiana (Solaris 10) containers and I want to let users upload web content over sftp I'v managed to setup internal-sftp of openssh and lock user under web root. All the files under web ...
5
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4answers
38k views

mount.nfs: access denied by server while mounting on Ubuntu machines?

I am a linux newbie and I have a very basic question. I have three machines in production - machineA 10.66.136.129 machineB 10.66.138.181 machineC 10.66.138.183 and all those machines ...
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1answer
27 views

Do root's supplementary groups behave differently than regular account ones for NFS shares?

OS: Linux CentOS 7, NFSv4 On one machine I exported an NFS share group-owned by the nfsgroup with 2770 privileges for group collaboration: groupadd -g 5000 nfsgroup chown nobody:nfsgroup ...
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53 views

Unmount NFS shared drive without stopping nfs-kernel-server

I have a setup in which I have a Raspberry Pi B+ with Raspbian as file server, sharing a 5 disk usb rack. I don't whant the rack to be on all the time, so I turn it on when I'm going to use it and ...
6
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2answers
10k views

rsync gives “chown <…> failed: Invalid argument (22)” with nfs share

I'm trying to back up my entire system to an external disk using rsync, via a shell script which is run as root: #!/bin/bash rsync -vSHPhhaX --numeric-ids --delete ...
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11 views

netboot archlinux

I have created a backup. And setup an NFS-boot, but kept it as pure nfs4 than ndb. I'm able to boot an old system, but unable to get the usb keyboard and mouse active after boot, which is really ...
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3answers
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Why is Linux NFS server implemented in the kernel as opposed to userspace?

I was just wondering why the Linux NFS server is implemented in the kernel as opposed to a userspace application? I know a userspace NFS daemon exists, but it's not the standard method for providing ...
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3answers
657 views

Root cannot change file permission or ownership

My direcotrory is root: pwd / I have the following dir: drwxrwxrwx 4 root root 81920 Jun 4 09:25 imr_report_repo NOTE: imr_report_repo is an NFS share. Here is the fstab listing for ...
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14 views

What is dcache disconnected dentry?

I am trying to understand how NFS works in Linux. As I understand, a disconnected dentry is such a dentry that does not have a proper prefix in Dcache, i.e. there is dentry dir/file in dcache, but no ...
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24 views

Stale NFS file on Postgresql directory

I have a Debian Wheezy computer running a Postgresql Server and NO NFS filesystems. After rebooting the computer, the following error has appeared: ls: cannot access 0000: Stale NFS file handle ...
2
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1answer
2k views

“NFS <server> not responding still trying” error timestamp

Sometime while my putty session is connected to server, it gets this NFS error. Note the server is Solaris 11 based. NFS server <server> not responding still trying NFS server <server> ...
3
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3answers
5k views

Why is file ownership inconsistent between two systems mounting the same NFS share?

I have one IBM AIX server (serverA) which is connected to the san storage. I have created a volume group and also file system (jfs2) and mounted to directory /profit. After that I created a NFS ...
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2answers
2k views

NFS Shares (Windows using FreeNFS but connecting on Linux)

I am using a "FreeNFS" on a Windows 8.1 machine and I set up a share I:\Library. I am currently allowing all clients and using ANSI encoding. My Linux box is actually a Raspberry Pi, using Raspbmc. I ...