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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252 views

NFS: client does not see new files created on server (caching?)

The NFS server is a SLES11SP3, here is the exports statement: /media/data *domain.com(rw,sync,no_root_squash,fsid=1) I suspect this is a caching issue on the client (RHEL6), however I believe I ...
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0answers
609 views

Problems on mounted NFS: 'No such file or directory' but files and directories exist

So we are having a medium-sized NFS4 storage server running CentOS 6.6 exporting an NFS share /storageDat (which is the NFS root, with two RAID volumes bound in there: ./dat1 and ./dat2); Export ...
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1answer
93 views

NFS Server “outbound” bandwidth consumption

I need to understand about something in NFS (Server). Let say i have: Two Different Clouds (One Server on each) One NFS Server One Apache Server (as the NFS Client) with a NFS Mounted Directory ...
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1answer
567 views

Random machine hangs with NFSv4 on CentOS/RHEL 6.5

We have an in-house "compute farm" with about 100 CentOS (free re-distribution of RHEL) 5.7 and 6.5 x86_64 servers. (We are in the process of upgrading all the 5.7 boxes to 6.5.) All these machines ...
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1answer
193 views

Passing Linux NFS traffic through Windows Server 2008

We are developing an embedded device that runs on Linux and uses NFS mounts to aid in development. We are working in two private network spaces (172.16.x.y and 192.168.0.n). The 192 network contains ...
2
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1answer
116 views

rsnapshot Freezes when Backing up to NFS Mount

I've got a Server running Ubuntu Server 14.04 server that has been doing periodic back-ups to an NFS mounted NAS using rsnapshot for several months now without issue. Last week we added a few more ...
2
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0answers
107 views

NFS randomly mounts wrong server

I have run into a problem with NFS which has me baffled. I can't even come up with a plausible explanation for it. I have ten machines: slave1 (10.0.0.10) - slave10 (10.0.0.20) Each one runs NFS ...
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1answer
603 views

ESXi 5 NFS mount with credentials

Is it possible for an ESXi 5 host to mount a remote NFS share using credentials other than root? (The default)? If so, how would one setup those credentials and mount from VSphere?
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1answer
77 views

Is this possible/advisable to establish SAMBA share across domains?

I realize this question will likely turn out rather complex and require a lenghty description. Likewise there’ll probably not be any short simple answer. I’ve got a large data-store (a SAN) that is ...
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1answer
120 views

How to manage the nfs client after a nfs service restart?

After a restart of the NFS service, how do I manage the clients? All the clients I have do not have an NFS entry in the /etc/fstab, so I will not be able to do mount -a to refresh the connections. ...
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283 views

Linux NFS - 'stat' on defunct NFS mount causes blocked ('D') state processes and high load average

I'm rearranging some NFS mounts - tidying up and decommissioning them. As part of this, my 'management' server has gained a huge load average, because of nagios kicking off 'stat' on the NFS mounts. ...
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396 views

Permission Denied on Solaris 10 NFS share, shared trough Windows Server 2008R2

We have a NFS share on Windows Server 2008 R2. NTFS permissions for ANONYMOUS LOGON and Everyone groups are set to Full control. When mounting this share on our Solaris workstation, it mounts and we ...
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1answer
599 views

I have to “fudge” a change in /etc/exports in order to get mount -a to execute, what's the issue?

Whenever I have to reboot server1, the only way I can get NFS mounts back up on server2 is to change one of the "fsid" integers in the /etc/exports file on server1. Otherwise, the mount -a command ...
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2answers
1k views

How to know when to properly use iSCSI, NFS or SMB?

I have a File Server running Windows Server 2012 R2. It has four 6TB Western Digital RED drives. I want to host my Hyper-V Machines, WSUS (Windows Server Update Service) content and WDS/MDT deploy ISO ...
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1answer
117 views

Fastest way to copy small files over secure network without regard for file mod times or size

I want to sync files in dir1 and dir2 (two different servers). I do not care if the file sizes or modification times differ. EXAMPLE: dir1 contains file1, file2, file3, file4, and dir2 contains ...
2
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1answer
707 views

Stale NFS handle, but nothing is mounted

I have an nfs server (192.168.1.180) that is sharing a directory to my rapsberry pi (192.168.1.32). I have had this working before. Recently, the server went down - but not the client. After ...
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1answer
100 views

What is a good configuration for a zpool built from 8-10 SSD for a home file server exported via NFS?

So we have a bunch of SSD disks and would like to put them in a zpool on a Solaris 10 system. The file system will be exported via NFS to about 50 Ubuntu clients which will mount it as their $HOME. I ...
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1answer
442 views

Permission denied with nginx and nfs

I have two RHEL 7 machines. I have installed nginx and php-fpm and setup a nfs mount. I can read/write to the nfs mount without issues and I have another application server (Apache Geronimo) that is ...
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1answer
199 views

Unmounted directories still behave like mounted - NFS Server Ubuntu 14.04

I am working on two virtual machines, running Ubuntu 14.04. So, one VM is the server and the other the client. Here's what I've done till now: Server VM: sudo apt-get install nfs-kernel-server sudo ...
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1answer
204 views

in-memory-cache of specific files from NFS

I have some diskless machines and they mount a disk through NFS4. I want the machines to maintain a cache of specific files in their own memory. The machines don't modify the files and only read them ...
2
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1answer
573 views

XenServer 6.2: reattach SR but all disks have no description

I have recently reinstalled XenServer on my server. All the VHD files were stored on my NAS via NFS, so I re-added the NFS SR after reinstallation. However, all my VMs seem to be missing, and the ...
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2answers
123 views

How to find reason for hanging process (probably I/O related)

on Ubuntu 14.04 when I open a file browser or an "Open File" Dialog, the application hangs for about 5 to 10 seconds. I suspect this is due to some NFS requests. But how can I find out for sure? Is ...
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1answer
3k views

NFS alternative

I'm running a storage server that has to mount home-dirs of different users at several (5) centos servers. The NFS storage server has direct Fibrechannel storage (with high speed, verified). When the ...
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1answer
224 views

nfs mount passwordless login

Setup: OS : CentOS5 node 1 : 172.16.1.1 sandbox1.local node 2 : 172.16.1.2 sandbox2.local The nodes have the hostnames in the hots file. Pinging to each other works fine. Problem: My home is ...
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0answers
250 views

ZFS on Linux denied access when accessing child dataset on NFS

This is on 12.04 LTS with the latest ZFS on Linux from the ppa. I have two a storage pool named data, and a dataset data/Other with different settings (e.g. compression). I set data to sharenfs and ...
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0answers
327 views

NFS Write Permissions — ls -l shows I have it; I actually don't

I have an NFS server serving several clients. Permissions work fine with all clients except one. The client mounts the nfs share fine, with permissions all correctly placed to the right users. ...
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1answer
960 views

Fedora 21 NFSv4 mount hangs for a long time, then times out; showmount -e works

I have a fedora 21 server with the following /etc/exports: /mnt/scainet 192.168.1.0/24(rw,sync) On my client on the same subnet, connected to the server through a hub, I run mount -t nfs ...
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1answer
65 views

NFS delays renames but not writes?

I have some (6) boxes that have an NFS share mounted on which they write files. All run ubuntu 14.01 and the NFS server is a standard nfs-server from ubuntu packages. This works well. However, when ...
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1answer
29 views

Does it make sense to remove NFS from a simple web server?

Does it make sense security- and performance-wise to remove NFS on a simple server which has ~10 Wordpress websites? Or is simply stopping the services enough?
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1answer
8k views

NFS Client Issue on CentOS 6: rpcbind not listening on port 111

I'm trying to setup a NFS client on a new CentOS 6.6 server to an existing NFS server and am having problems that I cannot figure out. When starting rpcbind/nfs I get: # /etc/init.d/rpcbind start # ...
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2answers
541 views

having trouble setting up NFS server on centos 6.5

Setup: Provider: Linode nfs server: a linode with centos 6.5 nfs client: a linode with centos 6.5 When I tried mounting mount.nfs: access denied by server while mounting x.x.x.x:/shared This is ...
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1answer
162 views

Linux fixed file size copy from Windows Server 2012 NFS share

Company is in the process of switching from hosting MongoDB on windows server 2012 to hosting on linux(ubuntu 14.04) Current backup and restore strategy involves copying all the data files via ...
1
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2answers
54 views

Is IPSEC used by default on Win7/'08-R2 NFS (TCP139/445&UDP137/138)

We'd like to share files through an Win08R2 EC2 instance with clients (Windows 7 machines) through the default NFS (i.e. avoiding 3rd party software like Dropbox/Aws-s3 etc.). Encryption at rest is ...
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1answer
491 views

Vagrant NFS shares in Fedora 21 blocked by firewalld

My NFS shares created by vagrant are being blocked by firewalld. The host is Fedora 21 and the client Debian 7.7. This is common problem that should be solved by opening the firewall for NFS as seen ...
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1answer
106 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
148 views

Chain NFS sharing [closed]

We have a storage server which for some reason cannot be reached directly (and of course not in same network). So we thought that we need to create some kind of chain NFS sharing like; ServerA ...
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2answers
441 views

Stop file being deleted on NFS mount

I have files stored on an NFS mount which I want to prevent being deleted. The use case is I have a demo version of a web application which uses the same images on every demo - when someone deletes a ...
1
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1answer
121 views

What is the difference between rMB_nor/s, rMB_dir/s, and rMB_svr/s in iostat?

I'm trying to interpret the results of running the following command iostat -mnhyc It produces the following Filesystem: rMB_nor/s wMB_nor/s rMB_dir/s wMB_dir/s rMB_svr/s ...
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1answer
3k views

Doesn't NFSv4 have no_root_squash?

When I in /etc/fstab have nas:/tank/nobackup /mnt/nas nfs exec,nosuid,rw,bg,soft 0 0 then mount -a; mount gives nas:/tank/nobackup on /mnt/nas type nfs ...
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0answers
19 views

Kerberized NFSv4 share (deleted) after token expiry

I set up a NFSv4 server with Kerberos authentication and it runs well. However, some users stay logged in for long times such that they have to renew their tickets after some days. If during the time ...
1
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1answer
1k views

NFS share problems - RPC: fragment too large: xxxxx

We have a virtual server with an NFS share that is written to by other servers. Today the NFS share became inaccessible. The syslog was full off messages like this: RPC: fragment too large: 311176 ...
2
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1answer
1k views

NFS: How to allow a specific user to write in a NFS mount?

I wrote a Nagios check which is supposed to check the time it takes a server to write a file to one of it's mounts. The check is being run by user nagios. The NFS server is configured like so: ...
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3answers
351 views

Is is possible to live sync two network drives?

I have one NAS in India (active) and while other in US(passive). I want to sync the US NAS with that of India in real time (with permissible latency) I tried using RAID1 for this purpose, but I ...
6
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1answer
678 views

Configuring Synology NAS as freeIPA client

I'm attempting to deploy freeIPA in my company. The network is quite simple: < 10 FC20 (and FC21 beta) desktops < 5 FC20 servers (including the one with freeIPA) 1 Synology NAS DS1813+ (DSM ...
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1answer
112 views

slow file server with contradictory values for CPU and CPL in atop

I've got a fileserver (centos 6.3) that slowed down suddenly earlier today. The cluster that mounts it could access other NFS mounts without a problem, but the access to this one was VERY slow. ...
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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 ...
2
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1answer
280 views

Using a JBOD for redundant NFS

I have a Xyratex sp-2224 JBOD enclosure (dual controller) and a pair of Dell servers with SAS HBAs installed that I'm looking to utilize in a redundant NFS cluster. The hardware isn't what I'm ...
1
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1answer
627 views

Network File Systems (NFS) between multiple AWS EC2 Instances for VisualSVN Servers behind Load Balancer [duplicate]

I have a couple of windows server instances running on Amazon EC2 with VisualSVN Server and would like to make them a bit more fault tolerant by running a duplicate instance with load balancers. The ...
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3answers
844 views

Find out what NFSD processes are actually doing?

When I view top on one of our servers there are a lot of nfsd processes consuming CPU: PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 2769 root 20 0 0 0 0 R ...
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1answer
256 views

Solaris NFS Mount Permissions [closed]

I've created an NFS share and have added to vfstab. However, I'm not able to change permissions or create directories as ROOT on the server where it is mounted. $ mkdir test mkdir: Failed to make ...