Tagged Questions

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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0
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1answer
172 views

How to allow writing locally on read-only NFS Partition

I created my own PXE/NFS network boot server on Ubuntu 12.04 as explained here. I can write to files on client side if I change /etc/exports file like this on server side: /srv/ubuntulivecd/ ...
3
votes
1answer
1k 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 ...
1
vote
1answer
138 views

Mounting an NFS or SMB share onto OSX only while connected to VPN

I'm setting up my machine to connect to network share resources at the place I work (there are NFS shares and SMB shares). This access is only possible through VPN. So my question is, Is there a way ...
0
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0answers
216 views

Mount nfs export in Server 2008 R2 using linux LDAP credentials

I have a linux domain running ldap. The Windows Server 2008R2 computer is "joined" to the ldap domain. I'm trying to get the Windows NFS client to mount a NFS export from a NFS Server which uses LDAP ...
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votes
2answers
119 views

What network based file system for linux allows for read only access,remote access and allows for mounting at any time?

I'm brainstorming at the moment, but basically this is what I need: A remotely accessible and mountable file system for Linux That requires no password or key to access. Is read only Allows multiple ...
1
vote
1answer
35 views

Spontaneously unmounting NFS exports and nicstat network activity

We have one server which exports two partitions which are massive (one is 61 TB, the other is 28 TB), and we have a lot of users reading and writing to these when mounted on another machine. We have ...
0
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0answers
32 views

how to only present/bind Windows Server NFS share on/to specific network?

Windows Server 2008 R2 x64, multiple NICs on different networks, lab environment (not production), NFS configured, NFS shares deployed. How can I isolate the NFS share such that it is only available ...
1
vote
1answer
168 views

Can't rsync files to NFS mount where file has special characters

I am trying to backup a few directories (Millions of files) and a handful (A thousand or so) have special characters. For example, the source file is '78192-File Name ? Name File.pdf' And rsync ...
1
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0answers
816 views

Windows 7 NFS Client Using Kerberos and Linux KDC

I am trying to configure a Windows 7 Enterprise client to mount a NFSv4 share on a Linux NFS server using Kerberos and a Linux KDC. The setup is: IPA Server (OS: Scientific Linux 6.4, Pkg: ...
1
vote
0answers
45 views

alternative to smb.conf / normal samba configuration

I have a Ubuntu-based server that provides SMB access for many users. Is there any way I could manage the shares and user permissions WITHOUT having to update smb.conf everytime? I'm not using LDAP in ...
1
vote
1answer
74 views

NFSv4 through portforward

I would like to reach my NFSv4 servers though port forward. The big plan will be a cluster of NFSv4 servers loadbalanced with HAProxy running on localhost. But this isn't really important now. At the ...
4
votes
1answer
170 views

Single Sign On and NFS permissions on Windows

Like many, I've been trying to move away from Microsoft Active Directory + CIFS file sharing into a custom LDAP solution + NFSv4. All the workstations here run Windows 7, and I have set up the ...
1
vote
0answers
108 views

NAS delay file-availability

I have two machines accessing to a NAS on the same network (OVH), when I update or create some file in machine 1 after I try to read it from machine 2 and it's not accessible, even not visible for a ...
0
votes
0answers
224 views

Attribute caching of dovecot maildir boxes over NFS

I admin a mail server cluster: there're two different hosts that use a common NFS share to store maildir. Dovecot is the LDA. CPU load on NFS is really high, although real i/o operation on the disk ...
-3
votes
1answer
524 views

NFS over wifi very slow

I have a NFS server hooked up to a client over a wireless network (n-router, b/g-client). I have terribly slow transfer rates of around 1.00 to 1.50 MB/s. I cannot seem to figure out how to improve ...
0
votes
1answer
396 views

export the same folder with NFS and SMB

The issue On my workplace, we have a rich environment of client including windows (from 95 to 8, also corresponding server editions), mac (from 10.6 to 10.8), linux (ubuntu, centos, redhat) and ...
2
votes
0answers
215 views

ZFS on RedHat configuration

I have to set up a ZFS storage appliance (Oracle ZFS Storage ZS3-2) with NFSv4. The NFS is mounted on a Redhat 6.5 cluster, where the linux users are created (they don`t exist on the appliance). ...
4
votes
1answer
1k views

Relationship between MTU and NFS rsize/wsize options

I'm trying to understand networking settings related to NFS and various buffer sizes (and there are quite a few). I'm running wireshark and inspecting the TCP packets arriving at the NFS server. ...
2
votes
1answer
499 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 ...
0
votes
3answers
2k views

root cannot access user's home folder shared via NFS

We have a local server that exports an NFS share, used as parent directory for Linux home folders in the network. The users authenticate via LDAP (running on the same server). Authentication works ...
3
votes
0answers
153 views

Unable to launch MSI installers off NFS share

I have a Linux server where I've configured a read only NFS share. The client I'm currently working on is a Windows Server 2008 R2 machine that has the NFS features installed. I'm able to open and ...
7
votes
6answers
6k views

How should I copy my VM templates between vSphere datacenters?

Background/Environment Architecture: My current environment for $corp_overlords$ is set up in a hub-and-spoke model with a technologically well-endowed home office hub (SAN, bladecenter/bladesystem ...
2
votes
5answers
3k views

DRBD vs. GlusterFS for replication

I need to build a solution to host internal git repositories. It needs to supports hundreds of thousands (or more) repositories. I plan on using multiple "dumb" servers with a shared storage, so ...
0
votes
1answer
32 views

Files sometimes fail to be retrieved from apache server

So, I'm not sure what the problem here is but I suspect it might be the server. So here's some key details Amazon EC2 servers (All in the same region and zone) Ubuntu 12.04 server Apache2 with gzip ...
3
votes
6answers
6k views

vSphere ESX 5.5 hosts cannot connect to NFS Server

Summary: My problem is I cannot use the QNAP NFS Server as an NFS datastore from my ESX hosts despite the hosts being able to ping it. I'm utilising a vDS with LACP uplinks for all my network traffic ...
2
votes
1answer
119 views

nmon NFS Performance Counters/Metrics

I have recently used nmon to record NFS client performance data from a suse 10 SP4 host and now need help understanding what the captured read & write figures truly indicate. With other ...
0
votes
1answer
247 views

NFS, Quota and LDAP

I have the following scenario in two servers with Debian: Server #1 OpenLDAP, NFS exporting /home Server #2 PAM with pam_ldap configured to authenticate against Server #1, /home directory mounted ...
1
vote
2answers
1k views

Where is linux automount's config?

I have a centos box, it has some NFS mounts. I'm trying to figure out these NFS filesystems get mounted. And I figured out if I rename /usr/sbin/automount to some else name, after reboot the box, ...
1
vote
2answers
379 views

Why does dd show slow disk speed first time?

I'm checking the disk speed of a hdd on CentOS 6 using dd command. The setup is a DRBD setup - with this server being primary. To ensure that I get correct values, I execute the dd command 3 times ...
0
votes
1answer
71 views

ls -l shows constantly updating log files with few minutes old time stamps (modified time)

I gave the command ls -lt to see which log files are constantly being written into, since if they are being written into, the modified time will almost be very close to date command's output. But ...
0
votes
0answers
420 views

How do I trace and troubleshoot recvfrom resource temporarily unavailable errors on an NFS Fat Client?

I'm running a few dozen Debian Wheezy diskless fat clients and, while trying to diagnose a slow performance web browser issue, I noticed IceWeasel(version 24.0-1~bpo70+1) was getting a ton of recvfrom ...
0
votes
1answer
295 views

nfs autofs automount of exported filesystems is empty on nfs server

I am having issues with empty nfs automounts on the nfs server itself. I'm running RHEL5.7 64bit exporting 4 directories as follows: /export/site/server13 *(fsid=0,rw,sync,crossmnt) ...
2
votes
2answers
66 views

Will locally mounting root filesystems of all remote servers being managed eliminate need to share dotfiles?

I've got about 10 remote servers being managed, through SSH, and I typically just SSH into each of them for remote management tasks. This requires me to have duplicated many of my dotfiles (like ...
1
vote
0answers
87 views

PHP file load time, perhaps related to NFS?

The Problem I'm attempting to diagnose a performance issue on a Drupal website I'm developing. In the morning, when the site has seen no traffic (not even a cron run) for over 8 hours, the homepage ...
2
votes
0answers
306 views

NFS server export list empty

After upgrading my router, I am unable to mount NFS shares from a Debian server on an OS X client. I have updated /etc/exports according to the new IP address of the client (first line previously ...
1
vote
1answer
1k views

Automounting home directories using LDAP in ArchLinux

I have managed to set up an OpenLDAP server that runs ArchLinux. I can now log in from the client (also ArchLinux) using the LDAP users. Now i want to mount the home directories over the network... I ...
0
votes
1answer
102 views

Unable to mount the file system from server to client while booting through network

I want a client which loads kernel and file system from the server through network. Till now, On server side, i changed the settings in /etc/dhcp/dhcpd.conf to get an ip-address to the client. After ...
0
votes
0answers
506 views

VFS: Cannot open root device “nfs” or unknown-block(0,255)

I am trying to setup a diskless client which will mount over nfs to the server. When I try to boot the client I get the following error message: VFS: Cannot open root device "nfs" or ...
2
votes
1answer
51 views

Will Windows use NFS to write to a self mapped share?

If a Windows server has a drive mapped to a share on the same server, will it still use NFS to read/write or does it know that the drive is actually local? Would I/O performance be improved by using a ...
0
votes
1answer
1k views

* Starting NFS kernel daemon [fail]

Hi I follow the https://help.ubuntu.com/community/SettingUpNFSHowTo guid to install nfs server on ubuntu 12.04 64 bit server, but when I tried to start the server I get ubuntu# service ...
2
votes
1answer
154 views

mdadm raid10 or nfs performance issues?

I have a fresh mdadm RAID10 device which is healthy, built from 4 x 7200rpm SATA 3 drives: # cat /proc/mdstat Personalities : [raid10] [raid1] md2 : active raid10 sdc3[5] sda3[4] sdb3[1] sdd3[3] ...
0
votes
1answer
123 views

new centos os servers, nfs mounting is really slow

So i am setting up two new boxes (actually linodes) nfs.server - CentOS release 6.2 in my /etc/export i have /home/unit 192.168.131.103(sync,insecure,no_subtree_check,no_root_squash,rw) ...
0
votes
0answers
33 views

NFS-mounting utmp

I've got a Slackware Linux cluster I'm planning on using for general-purpose shell accounts. Accounts are managed such that there are no UID or username conflicts among nodes. Given this, would ...
0
votes
2answers
491 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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votes
1answer
37 views

Best choise for shared drive between webservers [closed]

I wonder what the best choise is/practices are for a shared drive between multiple webservers. The same application needs to be employed on multiple webservers servers for load balancing ...
7
votes
1answer
561 views

How to reference an NFS share by UUID in the client's /etc/fstab

I have the following NFS export on my server, with fsid set to a newly generated UUID. /etc/exports: /mnt/data client(ro,fsid=b07f5af6-6b10-11e3-b4c1-00248115724d) I would then run exportfs -rav ...
0
votes
0answers
260 views

NFS export all_squash and anonid

I have a server, S, and a set of clients, C, which I want to share files using NFS. In particular, some clients should have their user-ids remapped as they do not have a user that corresponds to the ...
3
votes
1answer
257 views

nfs problems: shares appear to be the wrong size. files created on share not visible on server

I have set up shares on an NFS server. I can mount the shares with no error. The share sizes reported by "df" are much smaller than the share size on the server eg. server reports 1 TB but the share ...
1
vote
0answers
467 views

Mounting NFS stopped working after server upgrade to newest Debian?

I have NFS server that is working as a general filer in a LAN. Recently due to disk malfunction, I lost everything there, so I got new disks, reinstalled newest Debian (jessie), copied back config ...
0
votes
3answers
10k views

mount.nfs: access denied by server while mounting in Ubuntu Machine?

I have three machines - machineA 10.108.24.132 machineB 10.108.24.133 machineC 10.108.24.134 and all those machines have Ubuntu 12.04 installed in it and I have root access to all those ...