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Re: [Condor-users] COD "super user" ?


Thanks. Yes, the "reading" side needs to flush its directory cache, e.g
by doing a mkdir() or such. Not doing that is a bug, would it be
possible to fix that in 6.6 as well?



On Thu, 2005-03-31 at 17:36, Zachary Miller wrote:
> > 
> > What is wrong with FS_REMOTE_DIR as authentication method?
> i'm assuming you are using NFS for the shared directory.
> it's a syncing problem.  the server asks the client to write a file in the
> FS_REMOTE_DIR.  the client does so, and then notifies the server.  then the
> server checks the owner of the file.
> now, they way that NFS works, the file sometimes isn't there from the
> clients point of view.  we could add some sleep(), but that doesn't scale
> well.  i believe daniel forrest proposed an idea on this list several
> months ago that would do the correct thing, but it hasn't been implemented
> yet.  i should really add that to our 6.7.X series.
> so basically, FS_REMOTE will work sometimes, but not all the time, and it's
> espeically bad when there's a load on your NFS server.
> cheers,
> -zach
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Maarten Ballintijn <maartenb@xxxxxxx>
Massachusetts Institute of Technology