Xrootd/dbl
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Need to work close with Andy H. about this.


Sweeps
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Came up with model for making PR data available to users.

Merging is done at production site. (production site is where control system runs)

Low level QA (intergrity check, RFI) is done at production site.

Agreed, that it will be neesessary to put data on disk at the time of importing  files from remote production sites.

For iport of PR production at Padova will adopt existing protocol with minimal effort put into this, and later will focus on SRB solution.

For SP import - will need to further work out. Douglas has ideas. Current protocol can be adopted as well.


Managing users data.
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All writing will go via nfs, not xrootd. Will be easier to manage and no load balancing. Will provide mechanizm for merging and backing up user's data. There are some thought about tarring up user's files for back up.

Need to come up with policies for managing user's space? Dedicated 

Other DD
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Could use existing skimdata tools for Tier C sites. 

Still should come up with clear interface between bookkeeping and datadistribution bookkeping, to allow flexibility of dd tools.