Original NFS version The implementation details are defined in RFC 1094. Sun used version 1 only for in-house experimental purposes. When the development team added substantial changes to NFS version 1 and released it outside of Sun, they decided to release the new version as v2, so that version ...
1
vote
1answer
26 views
How do I rearange a file tree and then export it over NFS?
I've got a backup server that stores incremental backups in a tree like this:
/backups
hourly.0
server 1
server 2
hourly.1
server 1
server 2
hourly.2
...
2
votes
2answers
36 views
NFS maximum number of simultaneous operations per connection?
I heard from Tier 3 vendor support that NFS has some sort of limit (I was told 16) as to the number of concurrent operations that can be executing at the same time.
I apologize that I don't have any ...
3
votes
1answer
33 views
Does an NFS export with sec=krb5 *require* that the parent directory also be exported with sec=krb5?
I copied somebody's NFS server/client setup verbatim and am having trouble making sense of what's going on with it. This is the /etc/exports:
/export ...
3
votes
0answers
49 views
Weird permission issue with POSIX ACLs, NFS v3 on Linux
I have two Linux systems, both running Debian Squeeze. Versions of (I think) the stuff involved are:
kernel: 2.6.32-5-xen-amd64
ii nfs-kernel-server 1:1.2.2-4squeeze2 ...
2
votes
1answer
152 views
Mount Mac OS X 10.7 share on CentOS?
I need to create a mount point/share on a Mac OS X 10.7.4 (non-server) machine that a CentOS 5.2 box can mount. I've searched a ton but most instances are for using a linux server and Mac client... ...
6
votes
2answers
68 views
Timing issues with OpenVPN and NFS mounts (Debian Squeeze)
I'm trying to mount NFS filesystems over an OpenVPN link on Debian Squeeze. The problem is that the default layout of init scripts and such tries to mount the NFS filesystems before bringing up the ...
2
votes
1answer
56 views
NFS4 Username Mapping Between OpenIndiana and Linux
I have an NFS4 share on an OpenIndiana server that I'm trying to properly access with an Ubuntu Linux machine.
The username that owns the files in the share on the server is "nick" its UID is 104 on ...
0
votes
1answer
77 views
Symantec Backup Exec can't see network shares
I have a CentOS 6 host with a NFS export where I have stored some virtual machine backups.
Now I want those backups to tape for archival. I have mounted the share to a drive letter under Windows 2003 ...
2
votes
0answers
28 views
using chained automount to mount home directory
I have set up two directories mounted with automount (via LDAP):
in the /home directory automount is configured to mount
* -fstype=bind :/network/srv/home/&
in the /network directory one ...
3
votes
1answer
48 views
mount using insecure ports for nfs
Title says it. mount is occasionally making NFS mount/unmount requests from insecure ports. I believe the issue is being caused by all of the secure ports being stuck in TIME_WAIT after periods of ...
3
votes
1answer
49 views
What is launching all of these rpc.statd processes?
On of our servers -- running CentOS 6 x86_64 -- we're seeing a lot unusual activity with rpc.statd. We have rpc.statd configured to run on a static port via /etc/sysconfig/nfs:
MOUNTD_PORT=892
...
2
votes
1answer
81 views
NFS server is exporting the wrong directories
It is a bit embarrassing to admit, but I have problems getting my NFS server exporting the right directories. I am using an up-to-date CentOS 6.2 on both the client and the server.
The server is up ...
1
vote
1answer
67 views
How do I disable NFSv3/v2 connections to a FreeBSD NFSv4 server?
I am using a Kubuntu 11.10 client with a FreeBSD 9.0 server.
The server has the following lines in /etc/rc.conf
nfs_server_enable="YES"
nfsv4_server_enable="YES"
nfsuserd_enable="YES"
and the ...
1
vote
0answers
118 views
NFS mounted from Mac OS X Lion doesn't update
Using Mac OS X Lion 10.7.3, I mount my NFS share exported from a Linux machine like this:
My machine is a Linux 3.2.0-17-generic.
$ sudo mount_nfs -P precise:/media/sda2/datas/SAB /media/nfs1
...
0
votes
0answers
29 views
Disable “file temporarily unavailable on the server, retrying…” message on Solaris NFS client
The setup is a Nexenta storage system, a Windows system mounting a filesystem over CIFS, and a Solaris 10 system mounting the same filesystem over NFSv3.
If a file is edited on the Windows system, ...
1
vote
2answers
65 views
Backup to NFS with different user IDs
I'm running Xubuntu and trying to back up my filesystem to an NFS share using rsync using the command:
rsync -vSHPhhaX --numeric-ids --delete --exclude-from=/home/rena/.scripts/exclude-list / ...
0
votes
1answer
91 views
how to rdiff-backup with list increments
I have already created nfs server and client for backup web server and cms server like at http://www.myee.web.id/2012/04/nfs-server-for-backup/
Then I installed rdiff-backup, for backup I running ...
1
vote
2answers
56 views
Detect if clients are connected to a network share
we're running samba and nfs servers on an Ubuntu LTS 04.10 machine. Is there a way detect on the server, whether any client is connected to one of the shares? The clients are Windows 7,Linux or OS X ...
7
votes
2answers
166 views
Troubleshooting strategy for very poor iSCSI/NFS performance
We have a new Synology RS3412RPxs that offers iSCSI targets to three Windows 2008 R2 boxes and NFS to one OpenBSD 5.0 box.
Logging into the RS3412 with ssh and reading/writing both small files and ...
0
votes
0answers
41 views
Cannot set options for NFS share automounted with -hosts on Debian testing
I want my up-to-date Debian testing system to automount some shares on a NFS server. To do this I've added a line
/media/net -hosts -suid,dev,rw,intr,bg,sloppy,timeo=350
to my /etc/auto.master. ...
0
votes
2answers
115 views
NFS cache : file content not updated on client when modified on server
Here's my set up: One NFS Server machine (v4), several NFS client machines.
When a client machine write files to the NFS mount, the other clients see the new content instantly : no problem.
But, ...
0
votes
1answer
102 views
Netboot Debian (wheezy) from NFS v4
Is it possible to boot Debian Wheezy from NFS v4?
Bootwing with NFS v3 works just fine. NFS v4 not.
This is in my /etc/exports:
/nfs ...
0
votes
1answer
60 views
www-data is unable to write to an NFS share
On Debian Squeeze, I created an NFS share with these options rw,sync,no_root_squash,no_subtree_check,insecure and on the other Debian Squeeze I can successfully mount it and read write with root, but ...
0
votes
2answers
41 views
Development on Windows 7; Web server on Linux - How to share Apache web root? [closed]
I've got a LAMP server that I want to use as a local web server.
I've got a Windows 7 machine that I want to use as my development machine.
The machines will be on the same LAN (or the Windows box ...
4
votes
2answers
96 views
Which ports do I need to open in the firewall to use NFS?
I'm running Ubuntu 11.10 - setting up NFS to share a directory among many other servers. Which ports are required to be opened on the firewall?
8
votes
1answer
184 views
NFS (with Kerberos) mount failing due to “Server not found in Kerberos database” error
When running:
`sudo mount -t nfs4 -o sec=krb5 sol.domain.com:/ /mnt`
I get this error on the client:
mount.nfs4: access denied by server while mounting sol.domain.com:/
And on the server syslogs
...
1
vote
1answer
39 views
Using ionice Over Cluster
Background:
I use a computing cluster at work (4 slave nodes and 1 head node) that uses the SGE job scheduler. Recently we've been running jobs that do some heavy IO and it has been slowing down ...
0
votes
0answers
33 views
apache2.2 + php5 , process never die and stay blocked to LOCK_SH
Server version: Apache/2.2.22 (Unix)
Server built: Mar 28 2012 16:31:45
Server's Module Magic Number: 20051115:30
Server loaded: APR 1.4.6, APR-Util 1.4.1
Compiled using: APR 1.4.6, APR-Util 1.4.1
...
3
votes
1answer
95 views
Mounting NFS3 using Kerberos and AD
I've got a Linux server (Centos 5.6) that needs to automount home directories from a Windows (Server 2008) NFS share using Kerberos. The share mounts (with the nobody user and group) if authentication ...
1
vote
1answer
69 views
NFS client unable to mount shares from otherwise responsive server
We are unable to mount NFS shares to our Debian Lenny Database/Web-App NFS client from our Fedora 8 NFS server. Manual mount command with options and Assisted mount using fstab options returns the ...
0
votes
1answer
92 views
fstab mount after network initialization
I'm automatically mounting a NFS with fstab. Sometimes the mount fails because the hostname of the NFS mount cannot be resolved (getaddrinfo failed). I'm assuming that this happens because the network ...
0
votes
1answer
101 views
Mounted NFS directory not writable by Apache / PHP
Need some help here with NFS. Here's what I have (all servers running CentOS 5.6 with SELinux):
172.17.20.1 - Primary server with static IP. Varnish redirects requests to the web servers.
172.17.20.2 ...
0
votes
1answer
263 views
NFS client mount fails behind firewall
I have an Ubuntu 11.10 system with an iptables firewall. After pinning the ports for mountd, lockd and statd, then opening them up in iptables, I am able to expose NFS shares through the firewall ...
2
votes
0answers
547 views
NAS Performance: NFS vs Samba vs GlusterFS
I am planning my new shared storage infrastructure for a small webserver farm. Therefore i ran a lot of tests with a lot of NAS filesystems. By doing so, i got some unexpected results and would like ...
0
votes
1answer
48 views
NIS/NFS Equalent for Windows
Is there a Windows counterpart for the NIS/NFS implementation on Linux based systems where the entire user settings/ privileges / policies and most importantly the user files are stored on the server ...
2
votes
1answer
130 views
Getting at fsid under Linux? Or an alternate way of identifying filesystems?
In an environment with automounted home directories, such that the same filesystem exported by a fileserver may be mounted multiple times on the client, I would like to authoritatively be able to ...
0
votes
2answers
60 views
Why does Nexenta seem to ignore my /etc/system settings?
I am trying to tune my NFS performance, but for some reason nexenta is ignoring whatever I specify in /etc/system. In the following screen shot it becomes apparent that my manual settings are not ...
1
vote
0answers
107 views
Same nfs mount options, different output
I have 2 OEL5.5(RHEL5.5) servers.
I'm trying to figure out why when I run mount command I get different outputs.
Server1 has the following line in /etc/fstab/
10.11.0.61:/vol/exports/ /exports ...
2
votes
1answer
196 views
NFS mounts showing files from other mounts
I have a server that holds ZFS snapshots that I export via NFS to the servers they are backing up so you can restore via a custom application written in-house. The issue is as follows:
NOTE: I am ...
-1
votes
2answers
268 views
OpenIndiana poor write speed with 32Gb RAM and 64Gb ZIL
I am getting poor write performance on a NFS share hosted with OpenIndiana 151a.
I have 2x 1 TB Mirror (Seagate constellation drives), 2 SSD drives, 1 read cache and 1 write cache. My thinking was, ...
2
votes
1answer
61 views
Does NFS cache reads by block or by file?
I have a large image stored on NFS. I want to read only the first portion of the image to get the header.
Does the NFS client stop reading after it gets the blocks it needs or will it receive the ...
2
votes
4answers
109 views
Recommended networked file system for web servers?
If I have two web servers, what would the best way to keep their files in sync?
Unfortunately the sites themselves cannot be altered significantly.
Most of them are Wordpress based, but there are ...
0
votes
2answers
294 views
Can't mount NFS share over TCP
I'm beating my head against a wall with this one. Environment is 2 x CentOS 6 64bit installs. Both NFS client and server are fully up to date as of 1 hour ago.
I've set up an NFS export on the ...
1
vote
0answers
98 views
automount stops working due to hanging mount.nfs processes that leave /etc/mtab~ lock file
I've got many automount entries in LDAP for mounting ~200 nodes between each other.
Often, the automounter stops working. After debugging, I figured out that it can be fixed by running
rm -f ...
14
votes
5answers
542 views
Choosing a SAN technology for 100s of VM Web Servers
The Problem
We have an issue with performance on an existing platform, so I'm turning to the hive mind for a second opinion on this. The performance issue so far relates to IOPS rather than ...
2
votes
2answers
173 views
NFS4 client within OpenVZ container running Ubuntu 11.10?
I have an Ubuntu 11.10 VPS running inside OPenVZ with a hosting company. I'm trying to get it to mount a remote NFS server using NFS4, but can only get it working using version 3. I've been Googling ...
3
votes
4answers
221 views
Would using SAS disks instead of SATA disks make sense over NFS for a VMWare datastore?
We are deciding whether to use SATA or SAS aggregates on our Filer for our VMWare datastore. We will be using NFS to connect the VMWare hosts to storage.
Doesn't seem to make sense to use SAS disks ...
0
votes
3answers
121 views
Best way to share storage between multiple computers
I need to provide shared storage for multiple application server nodes in a cluster in a Linux environment. In other words, each of the nodes in my cluster needs to be able to read/write files to a ...
3
votes
0answers
125 views
NFSv4 - ACLs not working
I've setup an NFSv4 server (Debian) and client (Ubuntu/Mythbuntu). It seems that uid username mapping is working nicely out-of-the-box (I get correct usernames on ls -l if the usernames match between ...
2
votes
1answer
206 views
NFS. Non-root mount requests
I'm trying to make my NFS server allow non-root mount requests.
Server: Debian Squeeze, kernel 2.6.32-5-686
What I have now: root (or sudoes) can mount NFS file systems, but regular users can't.
...
