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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19 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 ...
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1answer
36 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 ...
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1answer
20 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 ...
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1answer
27 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 ...
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1answer
47 views

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

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?
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27 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 ...
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4 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?
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22 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 ...
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2answers
31 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 ...
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1answer
35 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 ...
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0answers
59 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 ...
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1answer
33 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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0answers
11 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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0answers
62 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 ...
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1answer
21 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 ...
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0answers
19 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. ...
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1answer
59 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 ...
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34 views

Why mount with nfs is not work into my bash script?

I have got this code in bash script: if ! grep ^$hzvzenter_SERVER_IP:/linuxcoe /proc/mounts 1>/dev/null 2>&1; then mkdir -p /linuxcoe-iso CMD_ERR=`mount -t nfs ...
3
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0answers
31 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
43 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 ...
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1answer
42 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 ...
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16 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 ...
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0answers
28 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 ...
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20 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 ...
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0answers
22 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
26 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 ...
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2answers
27 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 ...
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0answers
219 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
27 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 ...
2
votes
2answers
58 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 ...
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1answer
30 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
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1answer
37 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
91 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
87 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
45 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
49 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
35 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 ...
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3answers
65 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
36 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 ...
0
votes
1answer
191 views

Mount NFS Share Windows Server 2012

I'm trying to mount an NFS share setup on my Synology Server to my Windows Server 2012 server. Here's what I've tried: net use Z: \[ip address][share folder] /user:xxxxx [password]' mount ...
1
vote
1answer
52 views

Can I prevent exportfs from from breaking ZFS sharenfs exports?

I'm using ZFS on Linux as a fileserver running Ubuntu Server 14.04 LTS. The ZFS pool shares a number of datasets using it's sharenfs property. Outside of ZFS there are a few additional NFS shares ...
1
vote
1answer
236 views

CentOS 7 NFS partition doesn't mount on boot

I have a CentOS 7 x64 server which doesn't mount NFS entries in /etc/fstab on boot. The configuration is correct, because if I run mount -a, everything works like a charm. The fstab entries are as ...
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0answers
25 views

Some users cannot write via NFS, but others can

I have an NFS4-mounted /home drive, with several different users' home folders in it. I am using inetd's ID-mapping feature (i.e. NEED_IDMAPD=YES in /etc/default/nfs-common). The NFS mount and ...
0
votes
2answers
86 views

NFS stop working when on a lvm

I have a nfs server that was working correctly with a share on /exports/something. However, when I mount /exports/something on /dev/mapper/something (a lvm with more space) the nfs does not work. The ...
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0answers
38 views

Opennebula is very slow copying disk image

I have a CentOS virtual machine with OpenNebula's sandbox installed, connected to a host via NFS. I added a disk image of 2.5 GB that contains ubuntu server 12.04. Then I created a VM from this disk ...
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0answers
54 views

Optimum LUN size for LVM created NFS share

I have access to roughly 80 TB of capacity via a SAN, which I want to set up as as 2 NFS shares: 1 share of 70 TB and 1 share of 10 TB. The 10 TB share will have full backup to tape, whereas the 70 TB ...
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2answers
85 views

MySQL, NFS and symbolic links

I have been migrating an older server running apache2 + mysql under ubuntu to a new server running debian (wheezy). The migration works fine while the databases are storted localy (in our case ...
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0answers
210 views

Circular directory structure

I'm having an issue with a circular directory structure warning produced by du and find on my CentOS servers. I have two FreeNAS servers exporting several datasets via NFS which are mounted on the ...
0
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0answers
119 views

OpenNebula glusterfs cannot create on volume

I try to create a VM on my gluster volume, it fails with the following message: Wed May 20 20:37:30 2015 [Z0][DiM][I]: New VM state is ACTIVE. Wed May 20 20:37:30 2015 [Z0][LCM][I]: New VM state is ...
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0answers
39 views

Enable chown for a single host on an NFS export

Current NAS export I have a ReadNAS 4200, which I have root access to, which has the following /etc/exports file: "/Data" *(insecure,insecure_locks,rw,async) What my configuration doesn't allow ...