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One problem I had was with having spanning tree enabled on my managed switches. If you have spanning tree enabled, shut it off on the runs to your server. This will kill the 45 to 60 second reconnect time that the switch uses to determine if there is a loop on that line. The wiring in the building was not installed by any standard. I have legs of the network which will drop for a second or so and come back on line. Run lengths, refrigerators, florencent lights, etc. all add to the issue of noise. I pulled fiber between the mdf and idfs ( I use those terms very loosly for this network), to cure the 500' + issues, so I only had to turn it off for the copper drop runs.

Daniel Bramkamp wrote:


I am currently running a LTSP setup for 60 users. The /home directory and data is provided to the terminalserver via NFS. However, NFS is giving me headaches. Sometimes access to all files and directories on the NFS server is being denied. I cannot figure out why this happens. The problem arises very infrequently. I reinstalled the whole file- and terminalserver. The software on the servers is up to date now. The problem happened with the old installation, which was 2 years old, and it still exists in the new installation. The problem goes away after a few minutes and everything works smoothly again. The fileserver is also running Samba. User accounts are stored centrally in a LDAP database. UIDs/GIDs match on both servers. Users are in no more than 13 groups max.

1. Has anyone experienced similar issues with NFS?

2. Is it possible to use Samba/CIFS instead of NFS in a setup like this ? Can anyone comment on possiblity, stability, etc. ? One of the nice things about using NFS is that I only need to mount the share once at system startup. Can something like that be archived when using CIFS and ACLs maybe ? Help would be very much appreciated.
Thanks in advance.

Mark Gumprecht
Data Systems Specialist
Unity, ME
gumprechtm msad3 org

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