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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296 views

NFS issue Behind iptables in Centos 7

We have setup iptables which allows TCP/UDP port 111 2049 32769 32803 892 .. i made following changes in /etc/sysconfig/nfs RPCMOUNTDOPTS="-p 892" and /etc/sysctl.conf fs.nfs.nlm_tcpport=32803 ...
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65 views

Windows NFS Client Tools Doesn't Follow manage-gids

I am running into an issue with the Windows NFS Client tools, it seems that when I attempt to access a folder on an NFS share that has read permissions for a group that user is member of - but not the ...
0
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1answer
67 views

How to disable Disable the stock Linux NFS server?

I need to install MAPR on three node cluster and it is asking to Disable the stock Linux NFS server on nodes that will run the MapR NFS server. i have found one help on internet and it says to Start ...
0
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0answers
55 views

Backup strategy for LVM file sytem on NFS file server connected to SAN

I have setup a server (CentOS) on which I have connected to several LUNs from a SAN via iSCSI then multipath, resulting in multiple physical volumes I can use for LVM (dm1 ...). From the file server, ...
6
votes
1answer
583 views

Slow copying between NFS/CIFS directories on same server

Please bear with me, I know it's a lot to read. This problem may be applicable to others, so it would be great to have an answer. I had to give away the bounty because it was going to expire. When I ...
3
votes
1answer
60 views

Best practices for migrating to new SAN

My collaborator is splitting from his institute and wants help moving his application and data off the institute's network. And of course things are moving quickly. He has 12 TB of image data on a ...
0
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0answers
87 views

apache-user access to NFS from Windows2012 to Centos7

I have mounted a NFS share from a Windows 2012 server to a Centos7 webserver I have. I want my webserver to create and read files from the NFS share. I had a similar solution on Windows 2008 and ...
0
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1answer
263 views

Adding additional Storage domain NFS for ovirt 3.5

I wanted to add an additional storage domain for my ovirt setup, but my problem is that everytime I try to add the Data / NFS I get this error: 2015-09-23 16:07:46,752 ERROR ...
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0answers
152 views

elFinder with NFS: Unable to upload “image.jpg”

I have a NFS mount with permissions 770 on user:group "nfsbackup:nfsbackuo" with www-data as member of group nfsbackup. This is my server connector configuration in PHP, using CodeIgniter 2, working: ...
0
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1answer
189 views

Fix the “Stale file handle” fault as a regular user?

I have an ubuntu system which I'm controlling with commands as a regular user over ssh. On that machine I have an fstab entry for an NFS share. I can mount and unmount the folder because I have the ...
1
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1answer
36 views

NFS mount and write risks

I'm in charge of migrating our website. We currently have a single server hosting both prod and preprod environment. On our new hosting provider we have 2 servers : Prod server hosting prod ...
1
vote
1answer
351 views

NFS: disable portmapper for version 3 and 4

I need to replace an old pcnfsd server with a newly installed CentOS 7 server. I installed all the requirements and it seems to work, sadly when the (very very old ms-dos like) client tries to read ...
1
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0answers
95 views

Kerberized NFSv4 without creating new service principals

I need to deploy NFSv4 with Kerberos authentication in an existing AD environment, however, it must be done without making any changes on the KDC... So I figured, I would need to reuse host ...
0
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1answer
60 views

How to find current NFS mount parameters

We've been having some problems with the parameters for some NFS mounts on a server, and we've changed the /etc/fstab settings, and rebooted the server (a SUSE Linux 11 server). However I've just ...
0
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1answer
276 views

NAUbackup - Xenserver 6.5 Backup Solutions

Has anybody every successfully used NAUBackups for xenserver 6.5 and had their backups go to a SAN storage repository? I see the default script backs up to an NFS share but I am trying to avoid NFS ...
0
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1answer
226 views

SAMBA+NIS on Linux with Windows 7/8/10 clients

I'm trying to figure out if it is possible to run a samba server on a Linux distribution with a NIS service and use them in conjunction with a Widnows 7/8/10 client to make it work as it's local ...
1
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1answer
2k views

Mount NFS volume on Ubuntu Linux server from Mac OS X Yosemite client

I have an Ubuntu 14.04 LTS server (a local VM in my case). How do I mount a directory on the Linux server from a Mac OS X Yosemite client, using NFS?
0
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1answer
105 views

when to use NFS for web app

I am currently building a simple webapp architecture on AWS, as follow: Elastic Load Balancer - multiple front ends - RDS database. I have also set up an NFS server to store all images uploaded by ...
0
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20 views

NFS: Broken NFSv4 server ctmlog is returning a delegation for OPEN(CLAIM_DELEGATE_CUR) what means?

On Red Hat Enterprise Linux Server release 6.6 found this entry in dmesg, but I cant find any solution how to fix it. dmesg is full with this entry marked in Title! Any idea?
0
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0answers
29 views

NFS datastore on ESXi 4.1 breaks win2k8r2 host

I have an NFS server running on Win2k8R2 and an ESXi 4.1 host that uses NFS as a datastore for ghettoVCB backups. No server authentication; unmapped user access by uid/gid; vmkernel port with it's ...
3
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2answers
55 views

Can idle NFS mounts on several clients impact performance

We had a NFS server at work which was working with slight lag. However as more mount points were getting created at several clients(serviced by the same server) we noticed the performance coming to a ...
0
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1answer
116 views

Simpler way to add eth0 support in initrd.img (Centos)

I am trying to deploy clone image via pxeboot on hard disk. For this I want to use dd tool. I am aware that there are few tools like fog and clonezilla which does similar thing but this is university ...
2
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0answers
302 views

Get Windows 2012 Essentials and Windows 98 to share files

I need to get Win98 and Win2012 Essentials working together - share files. We can't get rid of Win98, as we have specialized equipment connected to it (through special card), and newer windows ...
0
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1answer
148 views

Scalability of multiple keytabs, Linux NFS client/server and Windows AD KDC

I have kerberized NFSv3 working with a generic Linux NFS server and multiple Linux clients with a Windows AD 2012 domain for the Kerberos Realm. Windows KDC requires that when you create a keytab for ...
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39 views

When do NFS mount major/minor device ids change?

I have a NFS folder mounted in /mnt/data: # mountpoint -d /mnt/data/ 0:25 When should I expect the major and minor device IDs to change? Reboot? Remount? Random? I know they did change at least ...
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433 views

DRBD server not starting - error in creating netlink socket

I have a newly configured DRBD-Cluster 8.4.5 on 2 VM running ubuntu 14.04, following this example: http://geekpeek.net/configure-drbd-ubuntu/ Unfortunatelly I can not start the service. It seems to ...
0
votes
1answer
28 views

How I can split config file to many files?

I have got config in /etc/exports. I want to see another file as a config too for it, for example /etc/my_exports. How i can do it? What I need to write in /etc/exports to see /etc/my_exports like ...
0
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0answers
80 views

Can't start glusterd anymore - how to deinstall entirly and start from scratch?

I am new to glusterfs and have today installed v 3.7.2 on two Ubuntu 14.04 LTS VMs through ppa. Before I had it installed in version 3.4.2 which I purged. I also tried to compile it, but this failed. ...
0
votes
1answer
577 views

LDAP + KERBEROS + NFS. Why do I need idmapd?

What I am trying to do I have a freeIPA domain, with a few clients and a Synology NAS (also enrolled in freeIPA). I created a shared folder on the NAS, with NFSv4 + krb5 support. From the client, I ...
3
votes
0answers
152 views

NetApp NFS Exports with all_squash

We've got a NetApp filer (v8.1.4) with a UNIX-style qtree sharing a volume to a number of different machines (web content for a cluster of front-end and application servers) over NFS. We're trying to ...
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0answers
191 views

Windows Server 2012 R2 NIC Teaming NFS Share ESXi

Having some strange issues with NIC Teaming when using 2012 R2 NFS for an ESXi 5.5 Datastore. Firstly I teamed two Intel NIC's on a separate VLAN via a Gigabit switch to two Intel NIC's on ESXi and ...
0
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1answer
125 views

NFS Server | Hung threads

We have four lpars each running 1 java instance each. They do a lot of read/write operations to a shared NFS server. When the NFS server goes down abruptly, all the threads that were trying to read a ...
0
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0answers
24 views

Encrypted network share for multiple users

I have the following scenario: 100GB of data 5 users should be mounted on two different servers the servers are all running Ubuntu users are accessing/writing to it at the same time (not the same ...
1
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0answers
81 views

R packages - Should I mount /usr/share/R/library

We have a small cluster of linux machines (~15) with up to 20 users. Over the last few years we have written a few basic R scripts for doing basic statistical analysis. The problem I have had as a ...
0
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0answers
76 views

NIS client is not able to change password using yppasswd in OpenSuse 13.2?

NIS Server - OpenSuse 12.1 NIS Clients - OpenSuse 13.2 At NIS Client: nisuser@opensuse13.2:~> yppasswd yppasswd is deprecated, use /usr/bin/passwd instead Changing password for nisuser. Old ...
3
votes
0answers
171 views

How can I test whether fcntl() locks work with my NFS setup?

From the SQLite FAQ: Can multiple applications or multiple instances of the same application access a single database file at the same time? … SQLite uses reader/writer locks to ...
2
votes
1answer
46 views

Inconsistent file content on NFS

We use NFS to access (read/write) data in our scientific research group. After a recent switch from openSUSE 11.3 to 12.3, we frequently encounter a problem where a file is created and written to in ...
0
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2answers
201 views

Unreliable NFS with large number files in a directory

I have a NFS directory mounted on a host. That directory has 0.6 million log files now, and will have 1.6 million eventually. The files are small, most of them are less than 1MB. The problem is that ...
5
votes
2answers
3k views

NFS mount on Windows 8 non-enterprise

I've read the answers to a similar question, but I'd like to ask it here with a very narrow scope. Assuming Windows 8, not enterprise (which means no services for unix applications providing native ...
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votes
1answer
76 views

XEN Server NFS SR read only

We have two Boxes running XEN XCP. One SR is located on an FreeNAS 9 NFS share. For some reason the NFS share turned read only which is pretty bad for one VM whose VDIs are located on the NFS SR. I ...
3
votes
2answers
110 views

Is there a valid stability argument against NFS?

We are adding a feature to our web app where uploaded files (to app servers) are processed by background workers (other machines). The nature of the application means these files stick around for a ...
0
votes
1answer
155 views

nfs, mounted loop devices

I'm usign a Debian server (Jessie) as an NFS server. All exported NFS-shares are mounted filesystems using loop devices. They are mounted in the fstab without any special options & the mountpoints ...
0
votes
1answer
155 views

Windows NFS client keeps writing read-only with on NFS server with squash_all

We have a Debian 8 with an NFS server exported with "/client-share *(rw,sync,no_subtree_check,all_squash,anonuid=1000,anongid=1000)" that works just fine when transferring files from a Windows ...
2
votes
2answers
389 views

How to automate directory creation on NFS-Server?

I created and configured a test-environment of 3 virtual machines: A FreeIPA server which provides krb5-authentication A NFS-Server using server 1 to secure itself A client that automounts home ...
3
votes
1answer
180 views

NFSv3 client differences in read/write performance

I'm taking care of a few servers that make relatively heavy use of a NFS filer. At crunch time a single server sends about 2k reads + 2k writes per sec to the filer. According to nfsiostat at these ...
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0answers
98 views

Windows NFS Share: Allow Linux uids

I have a couple of NFS shares set up on my Windows Server 2012 box, but they only allow Linux users with uid 0 to access them (aka the root user). How and where do I specify that I, for example, want ...
1
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1answer
250 views

Unable to mount NFS share

I have 3 servers : Server1 : Stores my data. Had a exported folder. Debian 7 - Linux 3.2.0-4-amd64 on x86_64 Server2 : "Client" where is the Server1 exported folder is mounted. Debian 7 - Linux ...
2
votes
2answers
44 views

Restrict access to .ssh folder over network shares

I run a small server running Ubuntu Server 14.04 and have just noticed that the .ssh folder in the users home directory is accessible via SMB and NFS. The SMB and NFS are both secured, however I ...
1
vote
3answers
79 views

Finding users responsible for thrashing an NFS mount

I have a large multi user system, NFS mounting a large piece of shared storage. I can identify the source of all my network traffic - narrowing it down to a particular host - thanks to nfsstat. ...
1
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0answers
75 views

Why is nfs server not seeing resized filesystem size?

On the NFS server, when I extend the the logical volume (using lvm2) and subsequently the ext4 fs on top of it (using resize2fs), I'm able to see the new size locally with df. But the NFS clients ...