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Good morning.

Could XRootD developers/experts help us with a special situation?

We have two xrootd redirectors reporting to a higher-level redirector:


  1.  Level 1: EOS XRootD redirector
  2.                dCache XRootD redirector

     2. Level 2: Site redirector

User requests contact our site redirector and then the site redirector redirects the requests to either EOS XRootD redirector or dCache XRootD redirector. When a file is located in either EOS or dCache side, things are working as expected. However, when a file is located on both EOS and dCache, it seems EOS redirector is always chosen instead of dCache redirector. This is not ideal for us as we want to the files to be accessed from dCache XRootD redirector first.

Could you please tell if there is a way in XRootD configuration file(s) to specify the order/priority when a user request comes in?

Thanks in advance for any advice on this.


Regards,
Yujun

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