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

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Linux: difference between using autofs with NFS and just using fstab

What is the difference between using auto.master and having autofs automount your NFS mountpoints versus just putting the info in fstab? Linux Red-Hat 5/6
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2answers
692 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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1answer
604 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 ...
0
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1answer
842 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 ...
2
votes
1answer
119 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 ...
3
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1answer
885 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 ...
2
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0answers
210 views

What's wrong with my NFS setup?

I had previously been able to configure an NFS server on a computer running CentOS 6.6, and to mount the file system in a Virtual Machine with the same OS and using autofs. Last week I did a fresh ...
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1answer
34 views

How to keep a redundant home directory for offline use?

Scenario: My home dir is on NFS, identities are in LDAP and authorization is via Kerberos. My NFS, LDAP and Kerberos servers are all VMs -- I'm stretching a little hardware a long way at home. Life ...
2
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2answers
19 views

mknfsmnt fails with “System call error number -1”

This system is part of a cluster and the other node mounts the nfs share successfully. This is currently the active node which means it has a secondary service ip address. I think this is related to ...
2
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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 ...
0
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1answer
804 views

Building NFS Server to be world writable

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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26 views

Mounting nfs4 partition over ssh tunel

I am following this manual on how to mount an nfs port over an ssh tunnel: https://blogs.oracle.com/shepler/entry/tunneling_nfs_traffic_via_ssh I need this because I want to mount an nfs partition ...
0
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1answer
36 views

NFS File Mounting error in centOS

I'm trying to mount server filesystem using NFS in centos. But I'm getting Connection timed out error. Below are the steps I followed. At server side: [centos@ip-172-31-46-199 landingzone]$ sudo vi ...
2
votes
2answers
752 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 ...
1
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2answers
725 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 ...
2
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2answers
197 views

monitor linux file systems using df

I use df -kh to get the file system usage, but the trouble is if there is any NFS mount failure in any of the boxes the command will hang. Is there a better way to monitor file systems other than df ...
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0answers
19 views

mount nas to local folder as non root user

It seems that gvfs would do what I want, but I don't seem to be using it correctly. Let me give a concrete example, I am on a machine as user foo, and user foo has sudo rights. Then I can do the ...
3
votes
2answers
1k 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 ...
2
votes
1answer
57 views

Linux user groups and file system permissions

Assume I have groups G1, and G2, and user U. User U is a member of both groups, but G1 is it's primary group. In my file system there is a folder F which is accessible by G2. Now if U wants to ...
0
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3answers
516 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 ...
2
votes
1answer
1k views

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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0answers
24 views

FS on NFS share responding slow

We have two server ex name app1 and app2.Both server have a nfs mount from same server as below:- nfsserver:/prlocal 249G 190G 46G 81% /prlocal Now the problem is when we try to access the FS ...
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27 views

Can I mount a share and enable the user_xattr mount option?

I have a ext4 drive that is mounted using defaults mount options. It is a RedHat Enterprise Linux version 6.5, 64 bits. I can call lsattr on any file on that server. I need to share that drive with 3 ...
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47 views

how to give read, write and execute permission to other user to access mounted shared directory

I set up nfs server and client on two different servers. On nfs server I create a shared directory. /home/share On nfs client I created mounted point /home/nfs_local now everything is working ...
3
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2answers
102 views

Strange firefox bugs following migration of home areas to NAS drive

We run a small linux cluster of 20 hosts running rhel(5and6). Each host has a native user nm with the home area mounted on the machine /export/home/nm. We use NIS/NFS for individual user accounts. ...
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2answers
559 views

NFS no longer mounts: rpc-statd fails to start

Whenever I try to start an NFS mount I get: Feb 12 00:02:19 martin-xps.lico.nl rpc.statd[23582]: Version 1.3.2 starting Feb 12 00:02:19 martin-xps.lico.nl rpc.statd[23582]: Flags: TI-RPC Feb 12 ...
3
votes
2answers
79 views

Which version of NFS is my NFS server using?

I'm mounting a NFS filesystem on my machine. How do I figure out what version of the NFS protocol the server uses? I don't have access to the NFS server machine, but I do have root on my client ...
2
votes
1answer
31 views

Let root read all files on NFS directory, even though server has root_squash enabled

I have a NFS directory that is used by multiple users, and hosted on a NFS server that I do not control. I would like to back up the contents of the NFS directory from my client machine. My first ...
1
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1answer
17 views

Mount.nfs is using a serial port

I export a folder to remote hosts by configuring the /etc/export file this way in the NFS server: /remoteFolder 172.22.0.0/255.255.0.0(ro,no_root_squash,sync,insecure) and start the NFS daemon with ...
2
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5answers
8k views

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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3answers
4k views

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 ...
1
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3answers
8k views

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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0answers
40 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 ...
3
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2answers
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 ...
2
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1answer
174 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 ...
2
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0answers
42 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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0answers
56 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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0answers
76 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 ...
1
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3answers
90 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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0answers
92 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 ...
4
votes
0answers
80 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 ...
3
votes
3answers
6k 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 ...
1
vote
1answer
40 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
987 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 ...
3
votes
1answer
152 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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0answers
90 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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0answers
93 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 ...
2
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0answers
20 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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29 views

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? ...
2
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2answers
307 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 ...