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-12239 Lustre <p>I'm unable to disable dom when PFL is used. I followed <a href="http://doc.lustre.org/lustre_manual.xhtml#dbdoclet.disabledom" class="external-link" target="_blank" rel="nofollow noopener">http://doc.lustre.org/lustre_manual.xhtml#dbdoclet.disabledom</a></p> <div class="preformatted panel" style="border-width: 1px;"><div class="preformattedContent panelContent"> <pre>[root@fir-hn01 sthiell.root]# clush -w@mds 'lctl get_param lod.*MDT000*.dom_stripesize' fir-md1-s1: lod.fir-MDT0000-mdtlov.dom_stripesize=0 fir-md1-s1: lod.fir-MDT0002-mdtlov.dom_stripesize=0 fir-md1-s2: lod.fir-MDT0001-mdtlov.dom_stripesize=0 fir-md1-s2: lod.fir-MDT0003-mdtlov.dom_stripesize=0 </pre> </div></div> <p> <br/> But the DOM component is not removed from the layout:</p> <div class="preformatted panel" style="border-width: 1px;"><div class="preformattedContent panelContent"> <pre>[root@fir-rbh01 fir]# dd if=/dev/zero of=test bs=1M count=100 100+0 records in 100+0 records out 104857600 bytes (105 MB) copied, 0.31152 s, 337 MB/s [root@fir-rbh01 fir]# [root@fir-rbh01 fir]# [root@fir-rbh01 fir]# lfs getstripe test test lcm_layout_gen: 8 lcm_mirror_count: 1 lcm_entry_count: 6 lcme_id: 1 lcme_mirror_id: 0 lcme_flags: init lcme_extent.e_start: 0 lcme_extent.e_end: 131072 lmm_stripe_count: 0 lmm_stripe_size: 131072 lmm_pattern: mdt lmm_layout_gen: 0 lmm_stripe_offset: 0 lcme_id: 2 lcme_mirror_id: 0 lcme_flags: init lcme_extent.e_start: 131072 lcme_extent.e_end: 16777216 lmm_stripe_count: 1 lmm_stripe_size: 4194304 lmm_pattern: raid0 lmm_layout_gen: 0 lmm_stripe_offset: 2 lmm_objects: - 0: { l_ost_idx: 2, l_fid: [0x100020000:0x2e8c62:0x0] } lcme_id: 3 lcme_mirror_id: 0 lcme_flags: init lcme_extent.e_start: 16777216 lcme_extent.e_end: 1073741824 lmm_stripe_count: 2 lmm_stripe_size: 4194304 lmm_pattern: raid0 lmm_layout_gen: 0 lmm_stripe_offset: 25 lmm_objects: - 0: { l_ost_idx: 25, l_fid: [0x100190000:0x2e8b4b:0x0] } - 1: { l_ost_idx: 32, l_fid: [0x100200000:0x2e8c82:0x0] } lcme_id: 4 lcme_mirror_id: 0 lcme_flags: 0 lcme_extent.e_start: 1073741824 lcme_extent.e_end: 34359738368 lmm_stripe_count: 4 lmm_stripe_size: 4194304 lmm_pattern: raid0 lmm_layout_gen: 0 lmm_stripe_offset: -1 lcme_id: 5 lcme_mirror_id: 0 lcme_flags: 0 lcme_extent.e_start: 34359738368 lcme_extent.e_end: 274877906944 lmm_stripe_count: 8 lmm_stripe_size: 4194304 lmm_pattern: raid0 lmm_layout_gen: 0 lmm_stripe_offset: -1 lcme_id: 6 lcme_mirror_id: 0 lcme_flags: 0 lcme_extent.e_start: 274877906944 lcme_extent.e_end: EOF lmm_stripe_count: 16 lmm_stripe_size: 4194304 lmm_pattern: raid0 lmm_layout_gen: 0 lmm_stripe_offset: -1 </pre> </div></div> CentOS 7.6 LU-12239

Unable to disable DOM

Bug Blocker Resolved Not a Bug WC Triage Stephane Thiell Sun, 28 Apr 2019 18:20:29 +0000 Mon, 29 Apr 2019 03:24:34 +0000 Sun, 28 Apr 2019 19:52:42 +0000 Lustre 2.12.0 0 4 <p>Sorry, I missed the note that says "DoM files can still be created in existing directories with a default DoM layout." That makes very complicated to disable DOM globally once we have many directories, but feel free to close this ticket.</p> <p>Yes, sorry - It's quite tricky to remove it from existing layouts around the file system.</p> <p>There's some future plans in that area around being able to skip the DOM component when low on space, and that could be made to apply to the DOM-disabled case as well, but there's nothing available right now.</p> <p>Behavior with existing layouts is intended.</p> <p>That makes sense, thanks Patrick! The feature you describe would be great to have.</p> Development Rank 1|i00fk7: Rank (Obsolete) 9223372036854775807 Severity