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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150 views

NFS client not ignoring UIDs on NFS map

I have six machines, one NFS server and five clients. Three clients (running Ubuntu 14.04) work just fine. The other two, running 12.04, are running into permissions errors. On the mapped client ...
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2answers
60 views

Migrating NFS server (Linux)

We have a NFS server (Linux) who stores files in a iSCSI disk array. This server is in production. The server and the array are very old and have to be replaced soon (the array is already in serious ...
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1answer
300 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 ...
9
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4answers
18k views

File locks on an NFS?

My server uses NFS (Network File System), and I'm unable to use PHP's flock() -function. Is there a way to lock files on an NFS or is there a need to do so?
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1answer
265 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 ...
3
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1answer
626 views

Single NFS-server to redunant NFS-storage

Currently, we have 6 physical host machines installed with Proxmox VE. These hosts are running a number of virtual machines. Mostly Windows Server 2008 R2. The hosts are Intel Blade servers with a ...
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3answers
5k views

Is SAN storage better than NFS? [closed]

I have server with RHEL 6 with Apache 2.2.22 and NFS client (nfs-utils-1.2.3),and access NFS server on private network. My problem When the number of files increases my web site becomes slow and ...
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0answers
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 ...
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1answer
69 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 ...
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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, ...
3
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1answer
7k views

When a samba server shares NFS4 mount directory, window clients cannot copy file. ERROR: 0x80070021

The error reported by windows client is like this ERROR: 0x80070021 The process cannot access the file because another process has locked a portion of the file. I google it and hit samba bug report ...
3
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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 ...
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0answers
90 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 ...
2
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0answers
410 views

LDAP authentication, pam_mkhomedir and NFS automounted homes

We currently have a setup (running on Ubuntu 14.04 LTS) with mixed LDAP/NIS authentication and automounted home directories from several servers (with the auto.home map distributed over NIS). ...
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0answers
153 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: ...
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1answer
190 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 ...
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1answer
99 views

NFSv4 ACLs on gpfs

I try to use NFSv4 over gpfs, but I'm get the following errors: # nfs4_getfacl file Operation to request attribute not supported. # nfs4_setfacl -e file Operation to request attribute not supported. ...
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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 ...
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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?
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1answer
354 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 ...
10
votes
2answers
2k views

Vagrant NFS share doesn't show updated file if size doesn't change

When mounting /vagrant over NFS, a changed file on the host is not refresh on the guest if the size doesn't changes. Quick update/typo are not immediately reflected unless I make enough modification ...
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0answers
97 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 ...
16
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4answers
13k views

What are the advantages/disadvantages of hard versus soft mounts in UNIX?

This question may vary between distros but, in general, what are the advantages/disadvantages of using a hard or soft mount in the UNIX world? Are there certain situations where one is more ...
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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 ...
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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 ...
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3answers
1k views

What is the use-case for NAS on a mid-to-high end storage array?

Many large storage vendors (EMC, NetApp, etc) provide storage equipment that does NAS in addition to FCP, FCoE, or iSCSI. When would it be appropriate to use the NAS functionality of these boxes? In ...
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3answers
1k views

Recommendations: configuring a 10GbE NAS stack for virtualisation storage

I'll try as hard as I can to word this so it is not considered a shopping list. We have been successfully running a dev/test ESXi environment for some time, with a couple of Dell PE2950III servers ...
8
votes
2answers
2k views

ZFS - destroying deduplicated zvol or data set stalls the server. How to recover?

I'm using Nexentastor on a secondary storage server running on an HP ProLiant DL180 G6 with 12 Midline (7200 RPM) SAS drives. The system has an E5620 CPU and 8GB RAM. There is no ZIL or L2ARC device. ...
0
votes
1answer
703 views

Puppet Operation not permitted on owner/group change

I'm running Ubuntu 12.04 with vboxheadless 4.2.10 and vagrant 1.2.7 to provision instances on a server. When I run vagrant up I get the following errors: err: ...
3
votes
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 ...
5
votes
3answers
9k views

exportfs: internal: no supported addresses in nfs_client

I am trying to set up a NFS server on an AWS instance running SLES11. After installing nfs-utils, I tried to export a test share. Here is what my /etc/exports file looks like: /opt/share1 ...
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8answers
492 views

Term for a _____ of servers whose network shares are distinct from another _____ of servers [closed]

I'm looking for a term for use in documentation, and felt that SF users would have the more experienced set of terminologies compared to other sites. At work there are development servers in the ...
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1answer
227 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 ...
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 ...
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0answers
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?
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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 ...
0
votes
1answer
117 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 ...
0
votes
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 ...
2
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0answers
305 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 ...
3
votes
2answers
3k views

Share disks through NFS on a CoreOS cluster?

Is it possible for a CoreOS cluster to share disk space, e.g. using NFS? If so, how would one go about this? (e.g. in the scenario where one node has a lot of disk space). This would be useful to ...
15
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3answers
2k views

NFS poor write performance

I have two machines connected with 10Gbit Ethernet. Let one of them be NFS server and another will be NFs client. Testing network speed over TCP with iperf shows ~9.8 Gbit/s throughput in both ...
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0answers
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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0answers
436 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 ...
3
votes
2answers
479 views

NFS client keytab: multiple machines

How should one go about setting up client-side keytab files for each client machine to access network services? My working example is NFSv4, which requires each client to have a Kerberos keytab ...
0
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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 ...
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0answers
82 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
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1answer
585 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
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0answers
155 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 ...
5
votes
3answers
4k views

How to get decent NFS performance for workloads like git?

I manage a vagrant setup for our developers running OSX to manage VirtualBox systems for development. In order to support inotify inside the linux machine, we eschew the usual method of sharing ...
0
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1answer
126 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 ...