On May 21, 2008, at 11:15 AM, Bob Friesenhahn wrote:

> I encountered an issue that people using OS-X systems as NFS clients
> need to be aware of.  While not strictly a ZFS issue, it may be
> encounted most often by ZFS users since ZFS makes it easy to support
> and export per-user filesystems.  The problem I encountered was when
> using ZFS to create exported per-user filesystems and the OS-X
> automounter to perform the necessary mount magic.
>
> OS-X creates hidden ".DS_Store" directories in every directory which
> is accessed (http://en.wikipedia.org/wiki/.DS_Store).
>
> OS-X decided that it wanted to create the path "/home/.DS_Store" and
> it would not take `no' for an answer.  First it would try to create
> "/home/.DS_Store" and then it would try an alternate name.  Since the
> automounter was used, there would be an automount request for
> "/home/.DS_Store", which does not exist on the server so the mount
> request would fail.  Since OS-X does not take 'no' for an answer,
> there would be subsequent thousands of back to back mount requests.
> The end result was that 'mountd' was one of the top three resource
> consumers on my system, there would be bursts of high network traffic
> (1500 packets/second), and the affected OS-X system would operate
> more strangely than normal.
>
> The simple solution was to simply create a "/home/.DS_Store" directory
> on the server so that the mount request would succeed.

Did you try this?
http://support.apple.com/kb/HT1629

-Andy

>
>
> Bob
> ======================================
> Bob Friesenhahn
> [EMAIL PROTECTED], http://www.simplesystems.org/users/bfriesen/
> GraphicsMagick Maintainer,    http://www.GraphicsMagick.org/
>
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