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 ...
4
votes
0answers
675 views
What causes repeated linux NFS client side RPC credential refreshing?
Using nfsstat -c, I'm seeing a high "authrefrsh" (known as "newcred" on some systems) count on my NFS client pc for operations like ls and find on directories containing ~1000 files. This correlates ...
3
votes
0answers
200 views
Kerberos NFS4 permission denied
Update:
I realized that because of bad hosts file, both machines resolves their local names to 127.0.0.1 instead of their LAN IP Address. Once I changed it and tried to mount, the client shows:
...
3
votes
0answers
231 views
Intermittent NFS lockups on Isilon cluster
We have an Isilon cluster with 8 IQ 12000x nodes which exports storage via several NFS shares for a handful of Linux and Solaris clients.
There is a Linux system that has one of these NFS filesystems ...
2
votes
0answers
31 views
How to force use of tcp instead of udp for rpcbind?
I'm trying to use tcp/111 for rpcbind under Debian Wheezy instead of udp/111. The portmap in Squeeze uses tcp/111 without any special configuration, but Wheezy fails.
Even numerous sites (as well as ...
2
votes
0answers
27 views
NFS mount has stopped working on ESXi
We have had around 20 hosts connected to an NFS share running from an Ubuntu server. The other day they all lost connection. We have rebooted the NFS server to rule out any services going funny.
When ...
2
votes
0answers
175 views
Ubuntu NFS Client connecting to Windows 2008 R2 NFS share - permissions issue
I have an Ubuntu 12.04 LTS x64 trying to connect to NFS share on Windows 2008 R2 server - which is a domain member server. I can mount the share in Ubuntu but if I try to ls the mount folder I get ...
2
votes
0answers
191 views
Nobody nogroup on ubuntu client with Solaris server
I have an openIdiana server with ZFS and it has been shared with NFS on a ubuntu server (called server1) one year ago.
Now i am asked to shared it on a second ubuntu server (called server2).
So i have ...
2
votes
0answers
231 views
Folder shares over NFSv4 private to user groups
I want to share a folder over NFSv4, available to some users, and I'm having permission issues.
I set up the folder permissions with setGID so new files are created with the folder group owner. But ...
2
votes
0answers
305 views
NFS inherit permissions from shared directory - Mac OS client
Short question: Is there a way to have files on a NFS share on a Mac OS client inherit the permissions of the shared directory?
Scenario:
Ubuntu 12.04 server
Mac 10.7.4 client
shared directory has ...
2
votes
0answers
154 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 ...
1
vote
0answers
44 views
NIS user/group ID resolution fails for one NFS volume but succeeds for another
Network setup:
(1) NIS server (nisserver),
(2) file server (fserver),
(3) cluster head server (queuemaster)
(4) cluster compute nodes (node1,node2,...) (gateway=queuemaster)
fserver is a NIS ...
1
vote
0answers
70 views
NFS - Multiple Mounts, Heavy Write, Performance Degredation
I have 6 NFS Mounts (1GbE) on a RHEL 5.7 system with 10GbE.
Iperf shows full link saturation to all 6 interfaces simultaneously.
There is a bottleneck somewhere within the nfs client system, but I ...
1
vote
0answers
82 views
Apache long running download fails
I am running an Apache2 web server (Server version: Apache/2.2.17 (Ubuntu)) on Ubuntu 11.04. I have an issue where long running downloads will fail after awhile. I have clients with slow connections ...
1
vote
0answers
110 views
Samba is faster than NFS when accessing from Mac, any reason
Refer to this question (closed): Sharing folder from Linux to Mac, Samba or NFS?, most people suggested that NFS is faster and therefore I did a quick test:
MacBook Pro / OSX Lion
Ubuntu 12.04 ...
1
vote
0answers
67 views
autofs mounts entire direct map
I've got a auto.master with an indirect map and a direct map.
/home /etc/auto.home --timeout 60
/- /etc/auto.foo --timeout 60
auto.home:
jwells -rw,noquota,intr server:/vol/home/jwells
... ...
1
vote
0answers
109 views
Sharing a folder through NFSv4 and Samba
I have some trouble getting the proper access right to work for a folder shared through samba and nfs. Connected like this:
┌────────────┐ ┌──────────────┐ ┌──────────────┐
│ NFS-Server ├────┤ ...
1
vote
0answers
29 views
Where can i find a specification for the Network Lock Manager v4 protocol?
I am trying to debug locks interactions between NFSv3 clients and server and i am unable to correctly interpret their exchanges (using wireshark).
rfc1813 NFS Version 3 Protocol Specification says ...
1
vote
0answers
145 views
Problems mounting kerberos protected NFS share from a client machine
I have a client Linux (Fedora 16) PC that I want to use to access a NFS share. Running the command
mount -v -t nfs4 -o sec=krb5 server.company.com:/home/share/username /media/nfs
results in
...
1
vote
0answers
160 views
nfs export external harddrive
I am trying to export my external harddrive using nfs. The external harddrive has the filesystem of type fuseblk. Does nfs export support fuseblk type? if not is there any other way that I can mount ...
1
vote
0answers
268 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
...
1
vote
0answers
486 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 ...
1
vote
0answers
621 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 ...
1
vote
0answers
471 views
how to tune NFS client on MacOS to get Linux like performance?
I have a NFS server running Linux and exporting a couple of shares. Both Linux and MacOS clients connect to the server, and while with the Linux clients I get ~ 75MB/s write speed, the MacOS clients ...
1
vote
0answers
173 views
Why does a file on an NFS mount seem to cache randomly, but no longer be cached when running `ls`?
Here's the mount configuration of an NFS mount, we'll call it server2, gotten from running cat /etc/mtab:
<ip1>:/mnt/fs101 /mnt/fs101 nfs ...
1
vote
0answers
193 views
Restart linux kernel NFS lockd
Hi is there a way to restart the lockd kernel thread (NFS lock manager)? There were some file locking requests which went wrong and since then it consumes about 50% of CPU. The processes requiring ...
1
vote
0answers
166 views
I'm building a diskless php-fpm cluster, unpredictable /etc/statetab and looking for other building strategy
I'm building a 24 nodes php-fpm farm using three Supermicro MicroCloud (8 nodes in 3U, nice and tight)
At first, I was planning to have each of them nodes have a disposable HDD with CentOS on (6 or 5 ...
1
vote
0answers
537 views
nfs4 rpc.idmapd not working on one machine
I have an nfs4 server, with fsid=0 exported with
no_subtree_check,no_all_squash,no_root_squash
I have various clients working fine with this, a mixture of debian and arch, mounting with nfs4 and ...
1
vote
0answers
239 views
NFSv4 ACLS vs NFSv3 KRB5 - problems - alternatives?
So NFSv4 acls don't ignore the umask as far as I can tell. And nfsv3 with kerberos has its own host of problems (with autofs - race conditions with pam).
So if we want to use an nfs like system with ...
1
vote
0answers
31 views
Can reaching shared storage capacity prevent a VM from starting up in XenServer?
I have a VM installed on XenServer; it's drive is on an NFS share, which has just reached capaciy--could this prevent the VM from starting up?
1
vote
0answers
1k views
Windows Server 2008 R2 Accessing NFS share without AD or NIS
I'm trying to mount an NFS share on our NetApp SAN on Windows 2008 R2 & services for NFS. Using XP I have no problem mounting this share without a username/NIS/pswd file etc, but the new ...
0
votes
0answers
16 views
installing programs to client over Ubuntu server
I am guessing this is possible, however I am not sure what protocol(s) to use and pretty much the way to go about this.
Let's say for instance Open Office -- how could we set up our Ubuntu server to ...
0
votes
0answers
13 views
DRBD mount randomly unmounts itself
We have setup setup an NFS HA "cluster" using drbd/heartbeat. Everything works as expected when tested... If the instance nfs1 goes down, nfs2 picks up and everything seems to be fine. On both ...
0
votes
0answers
26 views
Windows 2008R2 NFS Client and Usermapping to a Linux NFS Server
I have the following problem at the moment:
Consider we have a Windows 2008R8 Terminal Server with the Microsoft NFS-Tools installed. I want to mount a NFSv3-share from a Linux server. On both ...
0
votes
0answers
10 views
I need rpc.gssd to use the short hostname to kinit
I am trying to do a Kerberized NFS mount from CentOS 6.4. The problem is that the Kerberos backend is Active Directory and the UPN is the short hostname rather than the fqdn. I see that rpc.gssd ...
0
votes
0answers
24 views
Renaming files over a share on FreeNAS
I've just finished spinning up a FreeNAS install for various install ISOs, tools, etc for our team. The box is a small HP microserver with 500 gig of disk total, set up in a RAID-Z ZFS pool.
I've ...
0
votes
0answers
67 views
Mounting NFS shares (Mac OS X) on Ubuntu VirtualBox VM gives Permission Denied
I'm trying to mount a directory shared from a Mac OS X machine on an Ubuntu machine, and it just gives me a permission denied error:
$ sudo mount -v -o vers=3 10.0.2.2:/Users/stefanopalazzo/share ...
0
votes
0answers
43 views
Access Forbidden for Apache to a Windows Server 2012 NFS share
I have a Windows 2012 Server with an NFS share that is mounted on a Debian webserver running Apache. Apache is attempting to serve files from the the share but is getting a 403 access forbidden error.
...
0
votes
0answers
23 views
SVN and NFS architecture
I have linux servers autoscaled and each mounts NFS drive on boot.
The NFS is synced using SVN.
When i change something in my files the changes only propagate to new servers.
I have a lot of traffic ...
0
votes
0answers
16 views
Using NFS Share for Apache Uploads
I have some load balanced web servers but need a common place to store uploads files. I've got a file server with NFS and have successfully mounted NFS volumes on each of my web servers. The issue ...
0
votes
0answers
27 views
invalid SID's on files created/copied from NFS
I have been working on getting the AIX servers to talk to a Windows share. We have them talking, but I’m having problems when I mount a windows-hosted NFS share on AIX and then write/copy files to ...
0
votes
0answers
34 views
Setting NFS Domain name on Windows 2012 NFS Server
I have a Windows 2012 NFS server setup to use my AD domain as an authentication source. My domain is ad.example.com with a NetBIOS name of AD. My linux machines have idmapd configured to use ...
0
votes
0answers
27 views
Autofs Ubuntu mount OS X NFS
I've configured OS X to export a directory that I want ubuntu server to be able to access. I can mount the NFS export manually using mount host:/path/to/export /mount/point but autofs wont do so.
# ...
0
votes
0answers
32 views
NFS server without rpcbind
Is there a way to start nfs server without rpcbind service?
I think of it because nfs v4 could work without rpcbind, so I think that actually if NFS server works only with v4, rpcbind might not be ...
0
votes
0answers
17 views
I/O statistics per user for HPC
I have been told that it's hard to collect I/O (file access) load (~ real-time) statistics per user on an HPC system, but I remain skeptical.
At my institution, we use Ganglia for monitoring, and SGE ...
0
votes
0answers
49 views
iSCSI and NFS file locking and concurrency
I've got a linux host that need to mount a data share located on a NAS. The choice is between NFS v3 (NAS limitation) and iSCSI. The initial idea was to have a NFS mount to the file server that ...
0
votes
0answers
107 views
Getting autofs to mount a gluster NFS volume
I've got a glusterfs 3.3.0 replicated volume running on two Ubuntu 10.04 servers, and each mounts the volume via NFS (3). Mounting manually works fine using this command:
mount -t nfs -o ...
0
votes
0answers
38 views
Expected difference of file creation time for NFS versus local file system
File operations are necessarily going to be slower over NFS. What I would like are some rough estimates of expected slowdown between local and NFS file operations, specifically for file creation when ...
0
votes
0answers
45 views
lampish server becoming unresponsive during brief periods of high Sys load
We have a virtualised linux server (Ubuntu 10.04 on a Vmware ESX cluster) that serves a number of Drupal sites, a number of blogs via WordPress, one or two un-frameworked PHP sites, and a fair bit of ...
0
votes
0answers
57 views
Why does NFS to need a restart to correctly use MDNS to reverse lookup?
I have a problem with NFS denying access to a mount based on a failure to do a reverse lookup.
The interesting thing is that the ip addresses are resolvable via getent hosts 169.254.5.xx while NFS ...
0
votes
0answers
43 views
NFS Config Windows 2008: custom UID/GID not coming across
So, first off I've done this process literally dozens of times (Windows NFS server, iSeries NFS client), and this is the first time I've seen this.
I've got a User and Group on the iSeries with UID ...
