nfs in 2.0.33 ?

Peter T. Breuer (ptb@it.uc3m.es)
Sun, 12 Jul 1998 00:16:45 +0200 (MET DST)


While I'm on the list (still! thanks for not throwing me off!) I'd like
to hear if there are known "issues" with nfs in 2.0.33?

As you probably know, I decided finally to give these new-fangled
late 2.0.* kernels a try, only to run at once into the 2.0.33 plus
config_bridge leak. THanks to Alan, I now know about it and my server
has been stable

12:05am up 3 days, 45 min, 5 users, load average: 0.02, 0.16, 0.08

for three days. Net buffers are stable at 32 (thanx to whoever it was
who offered the fmla 10*#ifs+16 for the max it should be - I forget,
blush). I have 5 virtual interfaces on that machine and 1 real.

But I'm watching it like a hawk. Yesterday a user came to me
complaining about massive corruption on their 17MB Inbox!! Their
machine NFS mounts the home directory from the 2.0.33 server.
I helped fix up the 600 odd messages yesterday. A large number had 512
or 1024 bytes of rubbish in. I said "it happens" and mumbled about nfs
being udp based, but I was worried ...

... watching, I forgot where I was and started untarring and compiling
something on the server, which is not my normal system. The server
mounts my home server by nfs. Half way through the compile, I found
an error in the untarred files. I untared half a meg of a .tgz and got
two corrupted files. They were cut off half way.

That was earlier. I just tried the same trick again. It's repeatable.
I untarred the archive on a nfs mount in the 2.0.33 server and got one
file not terminated properly. The tar complained about not being able
to write to the file it was creating half way through. That file (I ran
a diff -r against the same stuff untarred on /tmp) came out broken.

I'll try it again, this time on a nfs mounted solaris system ...
meanwhile, is this already known?

Peter ptb@it.uc3m.es

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