https://jira.whamcloud.com This file is an XML representation of an issue en-us 9.4.14 940014 05-12-2023 https://jira.whamcloud.com/browse/LU-1304 Lustre <p>Remove the last uses of non-portable storage APIs in the Lustre Release 2.0 metadata stack and update existing use of the OSD API to the new transaction model.</p> LU-1304

MDS restructuring

New Feature Minor Resolved Fixed Mikhail Pershin Mikhail Pershin Wed, 11 Apr 2012 02:05:19 +0000 Fri, 11 Apr 2014 18:53:19 +0000 Fri, 11 Apr 2014 18:53:19 +0000 Lustre 2.4.0 0 6 <p>OSD-MDT Feature test plan</p> <p>Area of change: use of LOD/OSP instead of LOV/OSC on MDS</p> <ul class="alternate" type="square"> <li>test OST object pre-creation and destroy</li> </ul> <p>Area of change: IO Performance with new obdfilter</p> <ul class="alternate" type="square"> <li>IO performance testing on Hyperion with new obdfilter (OFD) to verify there is no regression on IO performance for this new filter</li> </ul> <p>Area of change: Quota and Grant</p> <ul class="alternate" type="square"> <li>Quota being properly tested with test plan for <a href="https://jira.whamcloud.com/browse/LU-1920" title="Create and attach Test Plan for quota testing" class="issue-link" data-issue-key="LU-1920"><del>LU-1920</del></a></li> <li>Test grant by using currently disabled grant regression sanity tests with ldiskfs OST to ensure grant works fine</li> </ul> <p>Area of change: llog</p> <ul class="alternate" type="square"> <li>use llog_test to verify no regression in performance do to this change</li> </ul> <p>Area of change: DNE changes to MDT/MDD on MDS</p> <ul> <li>performance regression tests for metadata stack</li> <li>Notes for this item: <ul> <li>it's better to run on Toro or Rosso, not Hyperion, because Toro and Rosso have much better CPUs (more cores, faster)</li> <li>MDS doesn't require super faster storage as MDT, but it has to have fast journal device, let's say, SSD or just ramdisk.</li> <li>16 client nodes is a good number to generate enough workload on MDS, but if it's too difficult to get this number, then 12, 10 or even 8 might work.</li> </ul> </li> </ul> <p>Hello Doug,</p> <p>About the Grant test, I don't quite get what you mean, could you please git more detailed information? Thanks in advanced.</p> <p>Here is the grant part I don't understand:<br/> "Test grant by using currently disabled grant regression sanity tests with ldiskfs OST to ensure grant works fine"</p> <p>Closing ticket as it was finished and all sub-tasks were finished too</p> Related LU-1918 LU-1918 Development Epic/Theme ORI-4 ORI-625 Rank 1|hzurtr: Rank (Obsolete) 2170