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Hi Brian,

Well, an interesting predicament you have. I’d suggest a symlink.

/xenon1t –> /mnt/data

and then export xenon1t

It’s much easier if the name spaces are straightened out well ahead of people storing files into the server.

Andy

From: Brian P Bockelman 
Sent: Friday, October 12, 2018 11:12 AM
To: xrootd/xrootd 
Cc: Subscribed 
Subject: [xrootd/xrootd] Grafting parts of the exported namespace (#840)

For the OSG data federation, we want to assign each VO a certain namespace (let's say the "Xenon1T" VO gets assigned /xenon1t).

The Xrootd server that wants to export its data has the Xenon1T files mounted at /mnt/data. So, the Xenon1T file /foo is physically at:

/mnt/data/foo
but should be exported as:

/xenon1t/foo
That is, root://xrootd.example.com:1094//xenon1t/foo.

Looking at the documentation, I thought oss.remoteroot was the way to integrate this: I think was incorrect.

What's the right way to configure the OFS / OSS for this setup?

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