[OpenAFS] Win 1.3.84 hangs 2003 Server + stats

Jeffrey Altman jaltman@columbia.edu
Thu, 14 Jul 2005 12:20:02 -0400


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ted creedon wrote:

> AFS Server running on a 733MHZ Linux 2.4/afs 1.2.11 = system "S"
> AFS Client running on a 2.6Ghz Win 2003 Server = system "C"
> 
> The test is to backup all of the data from server S to a local drive on
> client C using copy and paste on C.
> 
> The cpu load on C was about 90% during the copy prior to the crash (OS froze
> up).
> Windows also reported that some files were being overwritten on C which
> should be impossible. I.e. the afs client appears to be handing duplicate
> files to the windows file system.  

That is because AFS is a case insensitive file system and you have
multiple files with names that differ only by case.   When you copy them
to the local disk you will get collisions.

> I just ran a smaller 100G test and after the files were copied the afs
> client C remained at 55% cpu load doing nothing. It should be 0%. There was
> no network traffic at 0% cpu load.

That's fine.  What process is using up the CPU time?   Run Task Manager
and find out.

Please read the documentation I provide with each release.  The txt
files distributed with the installers.   In particular, you should
read the section on debugging:

   http://www.openafs.org/dl/openafs/1.3.85/winnt/afs-install-notes.txt

Jeffrey Altman


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