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[ts-7000] Limitations of NFS mounts under TS-72xx

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Subject: [ts-7000] Limitations of NFS mounts under TS-72xx
From: "vocemanago" <>
Date: Wed, 27 Apr 2005 12:34:46 -0000

I have a question about the network mounting piece of linux. Is there
some kind of direct limitation (due to driver or something) that
doesn't allow more than one NFS mount on this board?
Also is there a throughput issue when using NFS that I should address
before doing things like a "kernel build" in the NFS mount?

I have a debian linux server now, which is offering up the /home
directory to the development debian environment on the TS-7200. It
connects ok and navigation isn't a problem, but when I do something
disk intensive, it locks up the operation fairly hard. Is there some
kind of "open files" limitation perhaps? Where you can't open more
than two (or one) file at a time on the NFS mount?

The whole telnet console is stuck, I have to log in under another
telnet client and kill the whole situation from there.

Doing something like a make in the NFS seems to cause it. I think I
had problems moving large files or sets of directories.
Anyone have a clue.

Obviously there are all kinds of configuratoin issues, but I was
curious if there are any linux gurus out there who know the "magic"
arrangement that pretty much always works.

Interestingly I have an old NAS device (an old Snap server) which can
be anything under the sun as far as disk linkage goes (windows share,
netware driver,apple talk drive,NFS , www server)... and it appears
quite capable of take an NFS mount and doesn't seem to bother the
TS-7200 much at all. I expect internally it is some kind of linux or
BSD kernel.

I wonder if it has to do with the difference between synch and asynch
file mainpulation.

Tony






 
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