[Swift-devel] persistent coasters and data staging

[David Kelly]

I wrote a test to try to replicate this issue. I am running the coaster service on bridled. My workers are running on the MCS servers. I am using a modified catsn script with 100 files, each exactly 10 megabytes. After about 10 minutes of this, I get a failure in the logs:


----- Original Message -----
> From: "Mihael Hategan" <hategan at mcs.anl.gov>
> To: "Michael Wilde" <wilde at mcs.anl.gov>
> Cc: "Swift Devel" <swift-devel at ci.uchicago.edu>
> Sent: Tuesday, October 4, 2011 1:35:04 PM
> Subject: Re: [Swift-devel] persistent coasters and data staging
> On Tue, 2011-10-04 at 12:23 -0500, Michael Wilde wrote:
> > Mihael, Ketan, David,
> >
> > Ketan and I reviewed progress yesterday on ExTENCI applications, and
> > decided that for the moment Ketan will focus on the
> > coaster-server-per-site+GridFTP configuration.
> >
> > David, I'd like you to take over the testing and troubleshooting of
> > the configuration related to this email thread: single coaster
> > server
> > for all OSG sites, using provider staging.
> >
> > It seems like the next action was for Ketan to send Mihael the
> > requested service log. Im not sure if that was done, or if so what
> > it
> > revealed.
> >
> > Also, in reviewing this email thread, it wasnt clear to me: Mihael,
> > are you applying the fixes for this problem in trunk or 0.93 branch?
> > I
> > believe that Ketan has been testing with the 0.93 branch.
> 
> I was dealing with the 0.93 branch.
> 
> >
> > The other thing that was not clear to me, Mihael, was whether you
> > have
> > been able to replicate the problems that Ketan is experiencing in
> > talking to OSG sites, in your own test setups, or if we're in a mode
> > of sending you symptoms that you cant replicate and validate the
> > fixes
> > for.
> 
> I was able to replicate the original problem and fix a large chunk of
> it.
> 
> Ketan seems to be running into a different problem, but I suspect it's
> a
> configuration issue of some sort.
> 
> [...]
> 
> Mihael
> 
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