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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855 views

Can I put /etc/passwd, /etc/group and /etc/shadow on an NFS share?

OK, this may be a dumb question but I'm wondering if I can export /etc/passwd, /etc/group and /etc/shadow from an NFS server and mount those files over the local ones on the client machine. The goal ...
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3answers
92 views

What's the best way to mitigate NFS and sudo?

Quick background: We have 40 workstations running Linux. NFS is used extensively for bulk data storage and home directories. This allows users to roam freely will relatively transparent file ...
4
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3answers
4k views

Mounting NFSv4 share from Debian Linux 6 to Freebsd 9-RC3 “server requires stronger authentication”

I've run into a strange problem while trying to mount from FreeBSD 9.0-RC3 to a Debian Linux box. The command I'm using is: sudo mount -v gorkon:/dustbin /tmp/test This returns the following ...
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3answers
2k views

NFSv4 with idmap

The following errors appear on the NFS server, could you please advise how I can fix this? Details: System: CentOS release 6.4, NFS: nfs-utils-1.2.3-36 # cat /etc/idmapd.conf [General] Domain = ...
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2answers
2k views

Permissions for Windows Server 2008 R2 NFS Share Files

I have configured and am using a NFS share on a Windows 2008 server. I am copying files from a Unix server using anonymous access. What I cannot figure out is how to get the file permissions working ...
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0answers
82 views

How to prevent autofs from stalling system when nfs share is not available

This problem has been there in OpenSuSE 10.1-12.3 and (K)Ubuntu 10.04-14.04 and I'd like to get rid of it now: We have a common software directory on an NFS share. Client-side autofs setup # ...
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0answers
171 views

LDAP + NFS + automount home directories permissions issue

When an LDAP user logs into the system they have incorrect permissions to their home directory. LDAP and NFS services exist on the same server. The directory shows the correct ownership / ...
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3answers
3k views

Getting NFS clients to retry mount if NFS server down when client boots

I have an NFS server that several clients mount. I am using the following in my /etc/exports on the server: /content *(rw,no_root_squash) and on the clients in my /etc/fstab I have: ...
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1answer
26 views

Clarification on NFS export options

Do the NFSv4 root_squash and all_squash (and their no_ alternatives) export options have any effect if the filesystem is exported read only? Basically, all all these lines equivalent: /var/www/html ...
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0answers
398 views

Cachefilesd (cachefiles) everything seems to be set up, still not working

I'm trying to set up cachefilesd to work with my network folder shared using NFS. I have seemingly everything set up, however cachefilesd starts normally, however caching isn't functioning. Here is ...
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1answer
194 views

NFS default to 777

I have an NFS share. This share is shared between several different applications. Our web server is running PHP and when it creates directories it is not setting the permissions correctly so it cannot ...
2
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0answers
2k views

Synology DSM4.3 with Kerberos and NFSv4

According to the press releases of Synology DSM4.3 can do NFSv4 and Kerberos. Actually, in the Tab with NFS settings, there is a button for Kerberos settings. But I cannot find any guidance anywhere. ...
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1answer
49 views

NFS noac does not force synchronisation

I am running a cluster. The home directories are mounted using NFS. The following gives an error on the cluster: node-a$ ssh node-b touch /home/user/testFile && rm /home/user/testFile rm: ...
3
votes
1answer
1k views

How do I speed up and cache mmap file access over NFS on Linux?

The server and client are both 64-bit Ubuntu 10.04 LTS. The application in question is a custom app that uses mmap() for fast random file access. Its ideal state is when the entire file is cached in ...
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0answers
187 views

Single NFS folder shared across multiple clients

I'm trying to mount a single NFS folder from server say "/share/folder" to multiple clients up to 32 clients, and the clients tries to access the folder and create files. The problem I'm facing is ...
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2answers
6k views

How to add Synology NFS share to ESXi?

I have created an nfs share on a synology NAS. I want to add the share to an ESXi host, but without success. Configuration of the nfs share: I inserted the IP of the ESXi host, allowed read/write ...
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2answers
24 views

How do I configure an NFS server to accept all mount requests?

Adding 0.0.0.0/32 in /etc/exports does not seem to work. Is there some other configuration option that can be used for this?
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0answers
367 views

NFS export CIFS share

I have a server 192.168.1.1 where a samba share is mounted to /image I would like to setup an NFS sever on this machine to share the mounted /image folder through NFS. When I add it to the exports ...
1
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0answers
190 views

php-fpm process in D state ,cause nfs wait rpc_wait_bit_killable

my wordpress site which is in clustered environment using NFS,nginx,php-fpm,mysql the infrastructure is hosted on amazon ec2.Under high load/traffic the php5-fpm process goes in D ...
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0answers
53 views

NFS client requests file one at a time when listing directory

My company has a distributed infrastructure where we host an NFS share over the VPN. The file transfer speed isn't bad, but it takes forever to list files in some directories. I did some packet ...
0
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1answer
432 views

nfs file transfers fail, “cp: cannot stat 'dir_name': No such file or directory” but sshfs works fine

We have a strange issue on our file server (Debian Wheezy 32-bit), where some files within folders contained in an nfs share fail during transfer using the cp command. Howerver, if we mount the same ...
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1answer
103 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 ...
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2answers
107 views

Is a bad NFS mount preventing a clean boot?

I'm on Ubuntu server (I think it's 12.04, but not positive) and I basically ran into this problem here Unmount a nfs mount where the nfs server has disappeared The umount command didn't work, so I ...
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7answers
14k views

Unmount a nfs mount where the nfs server has disappeared

Server A used to be a NFS server. Server B was mounting an export of that. Everything was fine. Then A died. Just switched off. Gone. Vanished. However that folder is still mounted on B. I obviously ...
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2answers
1k views

SMB vs NFS authentication

Can anyone briefly describe me what is the biggest difference between SMB authentication and NFS v.3 authentication? I think that in SMB it is based on user's login and password whereas in NFS it is ...
0
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1answer
481 views

Static NFS mounts vs autofs direct map mounts

We are in the process of re-designing our NFS service and are at a point where we can choose either to mount our NFS shares statically from /etc/fstab at boot or as autofs direct maps. In our new ...
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5answers
23k views

Files mounted over NFSv4 are owned by 4294967294, UIDs and GIDs match

I have two identical linux machines (identical images launched in amazon EC2) and I am trying to mount an exported directory over NFSv4. Here is what the mounted directory looks like on the client ...
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0answers
29 views

Can I force nfsd on Solaris to announce more free space than physically available?

I'm working with various Solaris based distributions (OmniOS, SmartOS, Nexenta) and I have a highly compressible and deduplicable data set on a very small amount of high performance storage. The ...
6
votes
5answers
879 views

Networked filesystem with user level security for linux

I want to enable file sharing between servers and clients, both linux. I don't want to rely on machine trust like in NFSv4 because client users will have root privileges. What are my options besides ...
7
votes
3answers
1k views

The best way to share a file uploads directory across horizontally scaling web servers

I'm currently trying to spec up a horizontally scalable cluster for a drupal based web app, that looks something like the colorful diagram below: The load balancer implements sticky sessions, so a ...
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votes
2answers
125 views

Latency on appearance of files written via NFS share

I have two CentOS OS servers, one acts a NFS file server, and the other as development server. The NFS server and client are running v3 of NFS. When the client writes to a NFS share I'm seeing an odd ...
0
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3answers
643 views

Getting irregular timestamps on NFS file server

Here is the situation: We have a file server that is not saving timestamps to a small portion of its files (77 files out of several million). It instead writes a default mtime of 1969-12-31 19:00 ...
2
votes
1answer
4k views

What does this RPC error message mean?

I have OS RHNL release 6.2 and use the NFS service (nfs-utils-1.2.3) to connect to NFS server, And found a lot of messages in a file /var/log/messages: Apr 1 11:08:35 XXX rpc.idmapd[3010]: ...
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vote
2answers
680 views

NFS Over OpenVPN: Top Performance Boosters

I have two VPS's - One is running 2008 Server R2 and the other is a Ubuntu 12.04 installation. I am using the Windows VPS for RD sessions for Quickbooks and a couple other apps and using the Ubuntu ...
0
votes
3answers
6k views

NFS “Permission Denied” getting cached on NetApp Filer

We have a bunch of Linux boxes mounting NFS shares off a NetApp filer. From time to time, I will flub some part of the export configuration. Typo on one of the allowed hosts, incorrect IP address, ...
7
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4answers
18k views

Maximum Number of Files in a Single Directory for Netapp NFS mounts on Linux

On an older Linux box I have, there is an NFS mount of a Netapp. Once there are 100k files in a single directory on this box, files can no longer be written. Anyone know what might be causing this? ...
2
votes
3answers
1k views

multiple mounts of same NFS share on one client?

I'm moving webspace content to NFSv3 shares. Because of suexec restrictions I have different paths to different subsets of the content on the client. I wonder if I can still have all of the content in ...
1
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1answer
108 views

NetApp ONTAP 7.1: Enable async on NFS export

Is there an async feature for NFS exports on NetApp ONTAP 7.1? If so, how can it be enabled? The best search result I've found so far was an unanswered post on the NetApp forums: ...
3
votes
1answer
170 views

Is this a Linux NFS client bufferbloat?

On a NFS mount (standard options on RedHat 5.6 with ancient 2.6.18 kernel), it seems to me that big and multiple write operations delay smaller read operations. For example, doing a simple ls in a ...
1
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0answers
55 views

Single process blocks NFS mount on entire node

We have an NFS mount and a PBS cluster in which all nodes mount that NFS mountpoint. We are experiencing that a single process on one of the PBS cluster nodes can completely saturate and bog down the ...
0
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0answers
36 views

Redirection of nfstraffic to different host ip

I am setting up an environment with NFS. I have a setting where a SVR1 has two interfaces. I receive NFS-requests on one interface(192.168.122.2). I need to redirect these nfs request via the other ...
0
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0answers
138 views

Cant set permission on NFS files through Windows client and Samba4 AD

Hello: First Excuse, my language is not English. Maybe they can help me with this problem. I have an old infrastructure with Samba2 Domain server. And another nfs server disk, connected and ...
2
votes
1answer
578 views

NFSv4 permissions on AIX

I am attempting to use an NFSv4 mount across two systems that do not share UID/GIDs. This is for a system migration where the old environment used whatever UID/GIDs were available, and they now ...
0
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1answer
188 views

How to enable nfsd to support IPv6 on Ubuntu Linux?

I need to enable IPv6 NFS support on a Ubuntu linux server. This server has support IPv4 NFS. Linux info - root@nimbus-nfsserver:~# uname -a Linux nimbus-nfsserver 2.6.35-22-server #35-Ubuntu SMP ...
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2answers
117 views

Distributing website files with local redundancy [closed]

So we're looking at migrating our single dedicated server (set up like shared web hosting) to an architecture with multiple load-balanced front-end servers plus separate database servers (due to ...
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votes
1answer
530 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 ...
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0answers
165 views

Debian 7 auto mounting .zfs snapshot directory

Today I come with another weird thing on Debian 7 that I cannot explain myself.. Context : Os: Debian7 Kernel: Linux http-apache-01a 3.2.0-4-amd64 #1 SMP Debian 3.2.54-2 x86_64 GNU/Linux This system ...
0
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1answer
660 views

QNAP: ACL does not work over NFS

Having difficulties making Linux ACL (getfacl/setfacl) work with NFS shares. We are using Ubuntu clients and QNAP storage as server. At the moment only root user on Ubuntu has read/write access. ...
1
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1answer
543 views

mount using nfs4 giving no such device error

I am trying to mount a folder workspace from server to the client over NFS. For this I bind the folder to an /export by adding the following in my /etc/fstab on server: /home /export none bind ...
0
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1answer
261 views

Proper Way to Auto Mount NFS/Samba Shares Before Apache Startup at Boot?

I'm using an Ubuntu 12.04 (Server) VM as a development web server. I keep the served files on the VM host, therefore Apache uses NFS mounted directories for DocumentRoot To keep things as automated, ...