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<p class="MsoNormal">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.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">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”.
<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">--jc<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-size:13.5pt;color:black">DDN's Lustre requirements for OpenSFS TWG<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:13.5pt;color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:13.5pt;color:black">1) Architecture/Developer documentation </span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:13.5pt;color:black"> Well documented internals of MDS, MGS, OSS, OST, OSD API, etc. </span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:13.5pt;color:black">2) Improved small and medium I/O performance (compare to GPFS) </span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:13.5pt;color:black">3) Single client performance while preserving scalability (even at a single thread per client)</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:13.5pt;color:black">4) OST migration/rebalancing (compare to GPFS)</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:13.5pt;color:black">5) LNET channel bonding </span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:13.5pt;color:black">6) Patch-less server support</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:13.5pt;color:black">7) Single MDS File create performance </span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:13.5pt;color:black">8) Single MDS Directory traversal and attribute retrieval performance </span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:13.5pt;color:black">9) Improved Lustre tests and testing infrastructure </span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:13.5pt;color:black">10) Quality of service (mechanism and policies) </span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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