2
votes
1answer
42 views

Linux read disk cache and NFS

I am interested in the impact of the read disk cache on accessing a file through NFS. Lets say I have a file on NFS. I access it (do "cat myfile") from a linux host "A". If there's enough RAM a file ...
0
votes
0answers
21 views

Red Hat with rpc.statd is not running and can't start nfslock

I try to mount from Linux machine to some folder on win machine. From the output I see that mount complains about rpc.statd. So I tried to start the nfslock but I got FAILED. Then I look on the ...
0
votes
1answer
42 views

storage traffic not going through Bonded interface

hi few days back i have asked a question here choosing network interface based on network purpose on my Centos server there are 4 NICs i bonded first two NICs and created bond0 with an MTU of 8600 ...
1
vote
1answer
22 views

Window 2008 inherit permissions from parent on file created on linux nfs share connected to Windows

I have a Windows 2008 server with a NFS share called myhost/host_dev. The windows NFS share is set up to allow 'unmapped user access'. I am able to mount a Linux directory to that share using mount -t ...
-3
votes
1answer
38 views

choosing network interface based on network purpose [closed]

i have 3 NIC with ip address 10.10.10.2-eth0, 10.10.10.3-eth1, 10.10.10.4-eth2 An NFS server with IP 10.10.10.5 and want this NFS share to be accessed only through 10.10.10.3 that is through eth1 ...
1
vote
1answer
35 views

Facing NFS file transfer issue, file gets truncated

I am getting this error while transferring files using NFS, and the file size is getting truncated Can anyone give me a hint? We tried 2GB, and the file gets truncated at 400 MB. Jun 20 11:09:22 ...
2
votes
1answer
51 views

Is it possible to configure the Linux kernel I/O scheduler for an NFS mount?

On a normal block device you can change the i/o scheduler like this: # cat /sys/block/hda/queue/scheduler noop anticipatory deadline [cfq] # echo anticipatory > /sys/block/hda/queue/scheduler # ...
2
votes
2answers
37 views

NFS client keytab: multiple machines

How should one go about setting up client-side keytab files for each client machine to access network services? My working example is NFSv4, which requires each client to have a Kerberos keytab ...
1
vote
3answers
64 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 ...
0
votes
1answer
85 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 ...
-1
votes
2answers
51 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 ...
2
votes
3answers
298 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
vote
0answers
36 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 ...
3
votes
1answer
77 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 ...
2
votes
1answer
110 views

build user chroot on first login

I'm using ldap for remote user authentication and I basically need to either figure out how to: a. chroot a user on machine b from machine a via nfs,(which doesn't seem possible without mounting ...
2
votes
0answers
102 views

Linux NFS - set default user for new files on nfs share

I use CentOs as nfs server nad 2 Centos machines as clients. I have some problems with permisions/ownership for new files/directories created from clients on nfs share. My exports file: ...
2
votes
0answers
30 views

How do I get the file name corresponding to an NFS file handle on Linux?

I have tcpdump output of some NFS traffic, it shows which file handles are being read or written. I'd like to know which files they correspond to. There's got to be an existing tool which will list ...
2
votes
1answer
197 views

NFS failover fails with stale file handles while migrating resources

Running into a bit of a problem here , I set up two servers ( Centos 6 ) with Glusterfs and a shared directory between them, I have moved the nfs directory to the shared Gluster folder and have ...
1
vote
0answers
63 views

Very strange NFS speed

I've been looking into this behaviour for quite a bit, I'm not sure if it's normal but strange or an issue, I'm hoping someone can provide some info: I have a small linux server, but am using windows ...
1
vote
1answer
87 views

NFS: force file mode/mask on mount?

I have a QNAP NAS on my network that exports some NFS shares, which I'm mounting on a linux machine. One of the shares has data only (no executable files). However, when I mount the NFS share, all the ...
0
votes
1answer
67 views

What is changing the network interfaces?

I installed Ubuntu 12.04 to virtual machine. I have edited /etc/network/interfaces like this: auto lo iface lo inet loopback auto eth0 iface eth0 inet dhcp Then I created a livecd.iso using ...
0
votes
1answer
81 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/ ...
0
votes
0answers
117 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 ...
-1
votes
2answers
56 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
97 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
vote
0answers
32 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 ...
2
votes
0answers
145 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). ...
2
votes
1answer
79 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
146 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
0answers
155 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 ...
2
votes
0answers
118 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
0answers
29 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 ...
1
vote
0answers
309 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
2k 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 ...
1
vote
1answer
344 views

Why Permission Denied with NFS after reboot?

I have Ubuntu and CentOS clients nfsv3 mounting to a FreeBSD box, which got rebooted while the nfs clients were connected. Now the clients get a permission denied when they try to access the mount ...
1
vote
1answer
89 views

Access xfs quota info from NFS client

I've got an xfs filesystem (on a Centos 6.4 server) mounted via NFS on a client server (Centos 6.3). I can't seem to access the quota info from the client. It simply returns nothing for xfs_quota -c ...
4
votes
1answer
195 views

Linux: echo 3 > /proc/sys/vm/drop_caches takes hours to complete

I have a Thecus N8900 NAS, which is a Linux based file server, providing files via NFS to six clients. For some reason that Thecus support has yet to explain, it runs a script that checks ...
2
votes
1answer
576 views

Mount export of an nfs share

I have two machines A and B that are not on the same network, and I'd like to export an nfs share from one machine to the other. In the middle, I have a machine M that is on both network. I ...
0
votes
1answer
100 views

Using TCP protocol for NFS mount points on linux servers

I'm trying to use TCP protocol for better performance for NFS mounts but currently /proc/mounts says its using TCP protocol? does that mean NFS is already using TCP by default? nfs v3: ...
3
votes
1answer
330 views

How to monitor NFS load from userland?

Apologies if I'm not using the proper jargon (although I'm a longtime linux user, I'm not an admin) or if this is a FAQ (though searching SE got lots of hits, I didn't see anything quite like this ...
0
votes
1answer
37 views

Fedora nfs mount disappears

I have a small host running Fedora 18 (3.6.11), with nfs server set to serve /mnt/dir. The problem on the client running Fedora (3.11.6) after just a minute or so the mount disappears. SELinux is ...
1
vote
2answers
95 views

Watching when a file is created on network folder in linux

I am trying to figure out a way to notice when a certain file is written to on the network folder mounted. I am aware that one can continuously probe the location to see if it has been created but ...
2
votes
2answers
497 views

Removing and copying files slow on NFS folder

I have a server that hosts images and allows access to one directory for one client over NFS. The directory contains about 70K images and is 12GB big. When I execute commands like cp or rm on the ...
0
votes
1answer
38 views

mounting a linux network shared directory onto a directory of another linux server

I apologize in advance if this a noob question. I have two servers, NFS Server: usanfsd01 LINUX Server: usalnxd01 I've to mount the usanfsd01:/nfs/data directory onto the usalnxd01:/lnxwd directory. ...
2
votes
1answer
540 views

How to achieve multiple NFS/TCP connections to the same server?

I'm trying to maximize the NFS/TCP bandwidth between a Linux client and a single NFS server over a 10Gbps link. Although each NFS mount has its own device (major/minor), everything comes down to a ...
0
votes
0answers
136 views

No acl on nfs mount in RHEL6?

I have several RHEL6 machines. One is exporting an nfs mount to the rest. I have ACL's set on the server (set using setfacl -m), but none of the clients are seeing any of them. Here is my export on ...
2
votes
1answer
186 views

How to PXE boot multiple servers from a single NFS image?

I need to boot multiple servers via PXE boot. They are all going to run the same ramdisk (i.e. "default" in the pxelinux.cfg directory), and then they all mount a root filesystem over NFS. Then they ...
0
votes
2answers
414 views

“Network Error - 53” while trying to mount NFS share in Windows Server 2008 client

CentOS | Windows 2008 I've got a CentOS 5.5 server running nfsd. On the Windows side, I'm running Windows Server 2008 R2 Enterprise. I have the "Files Services" server role enabled and both Client ...
0
votes
1answer
45 views

nfs-common (statd) no longer starting

I have a pretty standard Debian 5.0.2 system (2.6.26-2-amd64 kernel), with a 4-core Phenom processor. Everything has been working great for years, and suddenly during a reboot, I got an error message ...
1
vote
1answer
125 views

Root access to kerberized NFSv4 host on Ubuntu

I have a kerberized NFSv4 setup working well under Ubuntu for regular users, but I cannot get it working for root. For most systems, I do not want to allow root access, but I have a couple servers ...