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Hi Andy,

This is what is puzzling to me.

I am wondering what could be causing this error. This is delegated TPC from my FNAL server (fndcatemp1.fnal.gov:1094) to

root://griddev03.slac.stanford.edu:2094//xrootd/atlas/tpctest

It looks like the xrdcp client gets redirected from griddev03 to griddev04, and the file is opened there, but then it keeps stat'ing without any progress.

I've attached the client log (killed after a minute or so).

What I am seeing in the dCache door is a successful placement from the xrdcp client, but then silence.

Could it be there is some network issue preventing your backend from reaching fndcatemp1.fnal.gov:1094?

(I am using my development machine machine rather than the WLCG-DOMA FNAL endpoint because I have more control over it, can stop, start, etc. as I see fit, and the logging is limited to my own activity rather than the constant bombardment from the WLCG testing).

-Al

_____________________________________________

Albert L. Rossi
Application Developer & Systems Analyst III
Scientific Computing Division, Data Movement Development
FCC 229A
Mail Station 369 (FCC 2W)
Fermi National Accelerator Laboratory
Batavia, IL 60510

(630) 840-3023

Hi Albert,

All SLAC servers export data read-onlyand the copy istrying to openthe
file in write mode. The message should be taken on face value. The head
node couldn't find any server that would allow writes.

Andy

On Thu, 27 Jun 2019, Albert Rossi wrote:

> Hi,
>
>
> I have been working on a "smoke test" suite in python and have started to do a little testing between endpoints.
>
>
> I was wondering if you could give me some indication of possible causes when the following error is received from the SLAC server.
>
>
> [3011] No servers have write access to the file
>
>
> This seems to occur at the SLAC WLCG-DOMA endpoint when my testbed machine is the SOURCE in a TPC.
>
>
> Any ideas?
>
>
> Thanks, Al
>
>
> ________________________________________________
> Albert L. Rossi
> Application Developer & Systems Analyst III
> Scientific Computing Division, Data Movement Development
> FCC 229A
> Mail Station 369 (FCC 2W)
> Fermi National Accelerator Laboratory
> Batavia, IL 60510
> (630) 840-3023
>
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