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-12682 Lustre <p>As a follow on to <a href="https://jira.whamcloud.com/browse/LU-11376" title="Special file/dir to represent DAOS Containers" class="issue-link" data-issue-key="LU-11376"><del>LU-11376</del></a>, which has defined a new "foreign" format of LOV/LMV for file/dir to allow external storage reference from Lustre namespace (with the benefit of existing LOV/LMV pre-fetch mechanism, DLM protection and client/server multi-stages caching), this ticket documents a specific usage and implementation for DAOS purpose.</p> <p>To be able to reference and access DAOS data, we first need to register both a pool and container uuids inside the foreign LOV/LMV, respectively for file/dir.</p> <p>Then to permit transparent and quick access to DAOS containers from Lustre namespace, an extension to the Lustre Client needs to be implemented. A first try is to allow this as a symlink-like behaviour to DAOS fuse mounts.</p> LU-12682

foreign LOV/LMV format usage implementation for DAOS specific use case

New Feature Major Resolved Fixed Bruno Faccini Bruno Faccini Thu, 22 Aug 2019 07:58:52 +0000 Sat, 30 Sep 2023 11:08:16 +0000 Mon, 12 Jul 2021 13:03:44 +0000 Lustre 2.15.0 0 5 <p>Faccini Bruno (bruno.faccini@intel.com) uploaded a new patch: <a href="https://review.whamcloud.com/35856" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/35856</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-12682" title="foreign LOV/LMV format usage implementation for DAOS specific use case" class="issue-link" data-issue-key="LU-12682"><del>LU-12682</del></a> llite: fake symlink for DAOS foreign file/dir<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: 3035f37084f57e7641e2f92af9840faadd2b06b2</p> <p>Faccini Bruno (bruno.faccini@intel.com) uploaded a new patch: <a href="https://review.whamcloud.com/40125" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/40125</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-12682" title="foreign LOV/LMV format usage implementation for DAOS specific use case" class="issue-link" data-issue-key="LU-12682"><del>LU-12682</del></a> llite: make undeletable property generic<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: 573dc0ab55105b4c3f0adb7069d6b1a7b77b05a1</p> <p>Oleg Drokin (green@whamcloud.com) merged in patch <a href="https://review.whamcloud.com/35856/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/35856/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-12682" title="foreign LOV/LMV format usage implementation for DAOS specific use case" class="issue-link" data-issue-key="LU-12682"><del>LU-12682</del></a> llite: fake symlink type of foreign file/dir<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: <br/> Commit: 15d44e787e17ff57fc1fb5a6c9ae568cdaab6e34</p> <p>Closing now that main patch (<a href="https://review.whamcloud.com/35856/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/35856/</a>) has landed.<br/> Further improvements that has been requested in its review comments, ie to make foreign symlink upcall mechanism available to all foreign types and undeletable property behaviour to any Lustre file/dir, will be addressed as part of <a href="https://jira.whamcloud.com/browse/LU-14841" class="external-link" rel="nofollow">LU-14841</a>.</p> <p>"Faccini Bruno &lt;bruno.faccini@intel.com&gt;" uploaded a new patch: <a href="https://review.whamcloud.com/c/fs/lustre-release/+/52556" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/c/fs/lustre-release/+/52556</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-12682" title="foreign LOV/LMV format usage implementation for DAOS specific use case" class="issue-link" data-issue-key="LU-12682"><del>LU-12682</del></a> utils: foreign symlink format userhelper sample<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: 40cfff2756f19b895951342b44f21d354c5a909b</p> <p>Gerrit #52556, is an addon to #35856, and is only provided as a sample of the foreign symlink upcall behaviour.</p> <p>Oops, I have abandoned #52556 as the sample of the foreign symlink upcall behaviour was already provided, as part of lustre/utils/l_foreign_symlink.c, in #35856 !!... Sorry for the noise.</p> Related LU-11376 LU-14841 Development Rank 1|i00lgf: Rank (Obsolete) 9223372036854775807