[Twg] DDN requirements

[John Carrier]

I received this list from DDN over the weekend.   I note that the first two items on their list were not captured during our requirements gathering this spring.   I think we should add them to our requirements document, but we need to discuss how they impact our recommendations to the OpenSFS Board.

I have added these to the spreadsheet and taken the liberty of matching "patch-less server support" with our existing "better support for newer kernels".

--jc

DDN's Lustre requirements for OpenSFS TWG

1)  Architecture/Developer documentation
       Well documented internals of MDS, MGS, OSS, OST, OSD API, etc.
2) Improved small and medium I/O performance (compare to GPFS)
3) Single client performance while preserving scalability   (even at a single thread per client)
4) OST migration/rebalancing  (compare to GPFS)
5) LNET channel bonding
6) Patch-less server support
7) Single MDS File create performance
8) Single MDS Directory traversal and attribute retrieval performance
9) Improved Lustre tests and testing infrastructure
10) Quality of service (mechanism and policies)



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