[OpenAFS] Win 1.3.84 hangs 2003 Server + stats
Thu, 14 Jul 2005 09:30:11 -0700
note: future messages will be re: 1.3.85
From: Jeffrey Altman [mailto:firstname.lastname@example.org]
Sent: Thursday, July 14, 2005 9:20 AM
To: ted creedon
Subject: Re: [OpenAFS] Win 1.3.84 hangs 2003 Server + stats
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.
>>News to me. This same directory structure worked fine with 1.2.11 Windows.
> 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.
>>afsd, which also looped using 50% cpu for hours after the file transfer
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: