Network File System (NFS) is a network file system protocol originally developed by Sun Micro systems in 1984, allowing a user on a client computer to access files over a network in a manner similar to how local storage is accessed. NFS, like many other protocols, builds on the Open Network ...

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Amazon Linux AMI for NFS between multiple EC2 servers

So I've been trying to create a Dropbox like system to allow multiple EC2 instances to work with the same files. I'm writing the programs that actually modify the files myself, and I'm not worried ...
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8 views

How to share /Volumes from a mac on nfs

I need to share the "/Volumes" directory and all it's mounted point to a linux client but it doesn't seems to work. I don't want to share every mount point on this mac because it's a workstation with ...
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2answers
2k views

NFS on Btrfs on multi-devices .vs. Glusterfs on distributed-volume?

I considering a storage for Email. This storage system run on my own private cloud (already replicated), then i does not care about replication. I'm thinking about 2 options: 1- I will create few ...
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1answer
18 views

NFS mount internal error

I have a server that I use for NFS share. 4 servers use it without a problem. I configured a new server and that can't mount. I get this error mount.nfs: internal error In the logfile of the ...
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4answers
9k views

NFS “Permission Denied” getting cached on NetApp Filer

We have a bunch of Linux boxes mounting NFS shares off a NetApp filer. From time to time, I will flub some part of the export configuration. Typo on one of the allowed hosts, incorrect IP address, ...
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12 views

“nfsd peername failed” but NFSv4 service functions

My current setup: 2 NFS servers sharing the same directory with identical content, 1 keepalived server as SLB (or rather for failover in this scenario), and 1 NFSv4 client mounting through VIP. All ...
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3answers
46 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. ...
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1answer
1k views

Mounted NFS directory not writable by Apache / PHP

Need some help here with NFS. Here's what I have (all servers running CentOS 5.6 with SELinux): 172.17.20.1 - Primary server with static IP. Varnish redirects requests to the web servers. 172.17.20.2 ...
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115 views

Map a NFS share as a drive in the SBS Group Policy Editor

For the moment I am not capable to access a NFS shares under SBS 2011. I tried to set the NFS share name in the Group Policy Editor hoping it will be resolved in the Terminal Server session where the ...
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0answers
20 views

Cannot run pNFS block layout on Linux

I try to run pNFS on Linux with 3 node (all nodes are Debian 7, kernel linux 4.6.0) : Data Server: iscsitarget is installed on this node, it share a LUN Meta Data server: In the kernel config, I ...
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22 views

Should NFS consecutive writes then reads be consistent across hosts?

For $work I am writing several thousand files to a directory mounted on NFSv3. Once the process writing the files has completed, a process on another machine starts to read them. The problem I am ...
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1answer
2k views

NFS fails to mount through openvpn tunnel

I am trying to establish an nfs connection through an openvpn tunnel. It really anoying and i dont know what to try next. The connectein test has been made on several platforms now. used ...
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1answer
2k views

Why does the “nocto” NFS mount option in Linux not prevent flush-on-close?

I've been learning about the close-to-open policy of NFS, which causes each file to be flushed to the server as it's closed, to ensure consistency across clients. (See ...
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1answer
1k views

NFS mount mounted inside another NFS mount disappears randomly

I have quite an odd issue where my nested NFS mounts just disappear randomly from time to time. The fstab entries look somewhat like this: nfs:/home /home nfs ...
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2answers
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“Stale NFS file handle” after reboot

On the server node, it is possible to access an exported folder. However, after reboots (both server and client), the folder is no longer accessible from the clients. On server # ls /data Folder1 ...
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0answers
26 views

High server loads with NFS mount on a remote Windows server's NFS share

From a SLES 11 Linux, used as Oracle DB server, I've a remote partition always mounted. The remote partition is a NFS share served by a Windows 2008 R2 with NFS Server component (Please ... don't ...
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0answers
34 views

Cannot run ctl on Linux for pNFS

I want to install pNFS server. I install ctl from source code. But when I run command ctl -u, the error below occur: /proc/fs/pnfs_block/ctl: No such file or directory I run linux 4.6, the ctl ...
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2answers
1k views

Mounting NFS3 using Kerberos and AD

I've got a Linux server (Centos 5.6) that needs to automount home directories from a Windows (Server 2008) NFS share using Kerberos. The share mounts (with the nobody user and group) if authentication ...
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1answer
2k views

NFS lock not working properly

I'm getting the following error on an oracle database. ORA-27086: unable to lock file - already in use It tries to lock a file that resides in an NFS mount. The NFS is on a loopback setup (long ...
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3answers
2k views

Systemd: start a unit after another unit REALLY starts

In my particular case I want to start remote-fs unit after all glusterfs completely starts. My systemd files: glusterfs target: node04:/usr/lib/systemd/system # cat glusterfsd.service [Unit] ...
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0answers
8 views

Pool remote file shares into single volume

I have multiple file shares available to use as backup storage. Each one can be mounted over CIFS/NFS. Instead of mounting them all individually and trying to manage what files are stored on each one, ...
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0answers
14 views

Cannot start service blkmapd for using pNFS

As I know, to use pNFS block layout, I must start blkmapd at the client side. But when I try to start blkmapd by command blkmapd -f, the error below occur blkmapd: open pipe file ...
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1answer
2k views

CentOS 5.4 NFS v4 client file permissions differ from original files & NFS Share file contents

Having a strange problem with NFS share and file permissions on the 1 out of the 2 NFS clients, web1 has file permissions issues but web2 is fine. web1 and web2 are load balanced web servers. So ...
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2answers
73 views

mount.nfs: Failed to resolve server

I have a problem with nfs client not being able to resolve a resolvable DNS name. [root@testserver-2 ~]# host nfs-server-host-name nfs-server-host-name has address 10.37.4.131 [root@testserver-2 ~]# ...
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7answers
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Are there any free NFS clients for Windows 7?

I have Windows 7 Professional, but the NFS Client for Windows is only included in the Enterprise and Ultimate editions. I would like to connect some Windows machines to our NFS server so I can drop ...
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1answer
46 views

NFS drive full even though du says it's not [closed]

I am experiencing a very weird behaviour of my backup drive that I can neither explain nor get fixed. I have an external drive mounted via NFS. I regularly call rsync jobs that backup files from my ...
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1answer
2k views

NFSv3 + ACL: mask is gone on clients

I'm sharing a NFS folder among a user group. The default umask on the clients is 0700, and this is a problem because newly created files won't be readable/writable by another users. So, I'm using ...
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0answers
84 views

NFS client fails with “Protocol not supported” even though the protocol is listed as available

I set up an NFS serve for Proxmox to remotely backup VM images there. For some reason the Proxmox box won't connect to the NFS server. I tested connecting with another the NFS client on a different ...
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3answers
1k views

Rsync hangs: expand file_list pointer array to N bytes, did move

Rsync is going into "interruptible sleep" mode after transferring some files from a local folder to a NFS folder. The folder I am trying to backup contains more than 180gb of data. This is what rsync ...
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0answers
18 views

Attribute interpretation of nfsiostat in sysstat

I am trying to understand the data being presented by nfsiostat. On NFS_client I am reading a 50 MB file("abc.txt") in NFS-Mounted directory. Reading of files "abc.txt" is happening at an interval of ...
4
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1answer
61 views

openldap user can't login when using tcsh

I would appreciate any help in the following problem: I have an openladp (2.3.39) server (Fedora 8) which authenticates users from other ldap clients (various versions of Fedora). On my attempt to ...
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1answer
3k views

GETATTR issues with linux and netapp

We're having an issue with our linux systems connecting to our netapp via NFS. The read/write IOPS are only around 1000/s but the GETATTR calls are almost 10,000! I found this bug but it says, it was ...
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2answers
39 views

SAN - NFS and CIFS

I am an application developer and very new to storage and SAN technologies, So this is a very basic question. Recently I had a requirement to have common storage share mounted on both Linux and ...
3
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1answer
1k 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 ...
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0answers
21 views

gssproxy: apache httpd as nfs-client? centos7

When Apache httpd attempts to access a user directory automounted with sec=krb5p, and presumably other sec=krb options, gssproxy issues a failure message and the web server replies with 403 Forbidden. ...
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4answers
3k views

Read only bind-mount?

I use mount -o bind to mount directories inside chroots, which works really well. The problem is that I'd like some of these bind-mounted directories to be read only in chroot. Is it possible? If not ...
1
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1answer
28 views

Why does SSHFS I/O latency test much faster than local RAID & NFS?

SSHFS tests for server I/O latency using dd returns very surprising results, so much so that I'm worried this might be some problem either with the test method or configuration. Test 1 on local RAID ...
2
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1answer
2k views

NFS mounts not visible for other users in system

Recently I faced an issue of limited visibility of mounted NFS shares on windows 2008 server. Situation is like this: as user A I have mounted NFS share (from linux server) as User A I'm executing ...
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0answers
26 views

User Unable to Change Group Owner of File on NFS

I've created a user, say testuser, with a home directory located in /home-nas/t/testuser/. I've added testuser and testuser1 to a group called testgroup and asked each user to log out and log back in. ...
2
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0answers
22 views

rsync NFS charset issue

I am trying to sync data to a NFS share provided by a Dell Compellent FS8600 NFS appliance. I am trying to sync files with characters that are non-ascii, and I get this error: rsync: ...
0
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0answers
23 views

Cannot access nfs share

On my Debian 8.4 system, I would like to run a postgres database. The data should reside on an NFS mounted folder. # cat /etc/fstab xxx.xxx.xxx.xxx:/volume1/srvPostgres on /var/lib/postgresql type ...
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0answers
23 views

I'm having random nfs slow downs on my nfsv4 gigabit network which cause videos to slow down then speed up

I've noticed this issue happen in two different video players so I'm pretty sure it's a network problem. I'm running Ubuntu with the kernel 4.2.0-35-generic. Here is the result of my nfsstat -4 -s ...
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1answer
2k views

FOG Server NFS Issue

I am having an issue with the Free Open Ghost server. I set it up on Ubuntu server, and have Ubuntu mounting an SMB share to it's /images directory (my server has a small internal boot disk). Fog's ...
2
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0answers
34 views

Lustre alternative for 70-node scientific cluster

Our lab has a cluster with 70 compute nodes 4 IO nodes Infiniband QDR interconnection 12T disk array accessed using IB SRP protocol The major application is debugging and running MPI-based ...
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2answers
1k views

FreeBSD 10: NFS unable to export folder

I am unable to export a folder using NFS. /etc/exports /storage/test -maproot=nobody client /storage/test1 -ro -maproot=nobody client /storage/test2 -ro -maproot=nobody client The first folder ...
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12 views

FTP Transfers Dropped- 421 time out

I have a VM that is mounting two NFS servers, lets call them NFS-A and NFS-B. The VM will transfer a file from NFS-A to NFS-B and as it should the VM will be the middle man as the file transfer ...
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1answer
2k views

Netboot Debian (wheezy) from NFS v4

Is it possible to boot Debian Wheezy from NFS v4? Bootwing with NFS v3 works just fine. NFS v4 not. This is in my /etc/exports: /nfs ...
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1answer
68 views

How to use pNFS in NFSv4.1

As I know, pNFS is an extended protocol over NFSv4.1. So, I have two questions: How to use pNFS in NFSv4.1? Is there any special requirement for kernel version in server side?
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2answers
578 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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3answers
13k views

centos 6 nfs: logs not showing anywhere

Can someone please tell me where NFS logs in centos 6? Or perhaps where I can tell NFS to send logs? At the present time, there appears to be no such setting. Trying to get the thing to work without ...