Whamcloud Community JIRA

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9.4.14

940014

05-12-2023

[LU-10112] FLR: Support DoM component https://jira.whamcloud.com/browse/LU-10112 Lustre <p>In the phase 1 of FLR, it will not support DoM in mirror layout of FLR. It has disabled to create such a layout from command line. It's simply not convenient to do it at this stage.</p> <p>DoM+FLR will be working in the next phase of FLR project.</p> LU-10112

FLR: Support DoM component

Improvement Minor Open Unresolved WC Triage Jinshan Xiong FLR2 Wed, 11 Oct 2017 23:56:35 +0000 Mon, 29 Nov 2021 23:11:44 +0000 0 5 <p><span class="error">[10/12/17, 9:15:33 AM]</span> Jinshan Xiong: we’re not going to support dom+flr in this phase. But when we support it, should we always choose the mirror with Dom as the primary?<br/> <span class="error">[10/12/17, 10:57:13 AM]</span> Andreas Dilger: good question. I suspect yes, since if the file is small we want to read/write the object on the MDT<br/> <span class="error">[10/12/17, 10:58:12 AM]</span> Andreas Dilger: if the file has already grown larger than the DoM component then it probably doesn't matter, or we might even consider to remove the DoM component during resync</p> <p>I moved this to a new ticket from a subtask under <a href="https://jira.whamcloud.com/browse/LU-9771" title="FLR1: Landing tickets for File Level Redundancy Phase 1" class="issue-link" data-issue-key="LU-9771"><del>LU-9771</del></a> since it is part of FLR2 and not FLR1.</p> <p>Mike, is there anything left to for this, or did patch <a href="https://review.whamcloud.com/35359" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/35359</a> "<tt><a href="https://jira.whamcloud.com/browse/LU-11421" title="DoM: manual migration OST-MDT, MDT-MDT" class="issue-link" data-issue-key="LU-11421"><del>LU-11421</del></a> dom: manual OST-to-DOM migration via mirroring</tt>" allow FLR+DoM to work properly?</p> <p>Mike, is there anything left to for this, or did patch <a href="https://review.whamcloud.com/35359" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/35359</a> "<a href="https://jira.whamcloud.com/browse/LU-11421" title="DoM: manual migration OST-MDT, MDT-MDT" class="issue-link" data-issue-key="LU-11421"><del>LU-11421</del></a> dom: manual OST-to-DOM migration via mirroring" allow FLR+DoM to work properly and this issue can be closed?</p> Related LU-11421 Development Rank 1|hzzlrz: Rank (Obsolete) 9223372036854775807