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-16837 Lustre <p>If the client encounters unknown components in a FLR file, it should skip the mirror to choose another known mirror for read/write.</p> <p>This provides some forward compatibility for clients accessing mirrored files - they can always read files that have at least one "known" mirror, even if there are other "unknown" mirrors (e.g. compressed, EC, PCC/HSM with some unknown type, etc.).</p> LU-16837

interop: client skip unknown component mirror

Improvement Major Resolved Fixed Zhenyu Xu Zhenyu Xu compression Fri, 19 May 2023 09:37:59 +0000 Thu, 11 Jan 2024 22:35:19 +0000 Wed, 13 Dec 2023 15:01:24 +0000 Lustre 2.16.0 0 3 <p>"Zhenyu Xu &lt;bobijam@hotmail.com&gt;" uploaded a new patch: <a href="https://review.whamcloud.com/c/fs/lustre-release/+/51060" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/c/fs/lustre-release/+/51060</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-16837" title="interop: client skip unknown component mirror" class="issue-link" data-issue-key="LU-16837"><del>LU-16837</del></a> llite: handle unknown layout component<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: c93adde0919f9afcf8bc98a4cd78756c9d7198a7</p> <p>"Zhenyu Xu &lt;bobijam@hotmail.com&gt;" uploaded a new patch: <a href="https://review.whamcloud.com/c/fs/lustre-release/+/51108" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/c/fs/lustre-release/+/51108</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-16837" title="interop: client skip unknown component mirror" class="issue-link" data-issue-key="LU-16837"><del>LU-16837</del></a> csdc: reserve connect bits for compressed layout<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: d1cdd49f6583335a5b7bb6d01e554c1b582ed983</p> <p>"Oleg Drokin &lt;green@whamcloud.com&gt;" merged in patch <a href="https://review.whamcloud.com/c/fs/lustre-release/+/51108/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/c/fs/lustre-release/+/51108/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-16837" title="interop: client skip unknown component mirror" class="issue-link" data-issue-key="LU-16837"><del>LU-16837</del></a> csdc: reserve connect bits for compressed layout<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: <br/> Commit: 83189aef3b23f18cb8c1deae34994a00f8582039</p> <p>"Zhenyu Xu &lt;bobijam@hotmail.com&gt;" uploaded a new patch: <a href="https://review.whamcloud.com/c/fs/lustre-release/+/51766" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/c/fs/lustre-release/+/51766</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-16837" title="interop: client skip unknown component mirror" class="issue-link" data-issue-key="LU-16837"><del>LU-16837</del></a> lustre: avoid the same member name<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: 23623e8712872e18f5eff634658d29e63658663a</p> <p>The clients should send <tt>OBD_BRW_COMPRESSED</tt> for every compressed file read RPC to indicate that they can read the compressed chunks of the file. In the future, OSTs could decompress chunks in memory for clients that do not support compression or clients using GPU Direct on a file. </p> <p>The sending of <tt>OBD_BRW_COMPRESSED</tt> in read RPCs and negotiation of suppprted compression types needs to be done as part of the v1 implementation, otherwise it will make it difficult to implement "decompress on read" and compression type negotiation in the future. </p> <p>"Oleg Drokin &lt;green@whamcloud.com&gt;" merged in patch <a href="https://review.whamcloud.com/c/fs/lustre-release/+/51060/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/c/fs/lustre-release/+/51060/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-16837" title="interop: client skip unknown component mirror" class="issue-link" data-issue-key="LU-16837"><del>LU-16837</del></a> llite: handle unknown layout component<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: <br/> Commit: 14ed4a6f8f231fe94392906f991a32f07e7d7883</p> <p>"Zhenyu Xu &lt;bobijam@hotmail.com&gt;" uploaded a new patch: <a href="https://review.whamcloud.com/c/fs/lustre-release/+/52826" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/c/fs/lustre-release/+/52826</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-16837" title="interop: client skip unknown component mirror" class="issue-link" data-issue-key="LU-16837"><del>LU-16837</del></a> lov: NULL dereference in lov_delete_composite<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: 10b4a14b389cb00e1033e2f49e3d1f5a554b259a</p> <p>"Oleg Drokin &lt;green@whamcloud.com&gt;" merged in patch <a href="https://review.whamcloud.com/c/fs/lustre-release/+/52826/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/c/fs/lustre-release/+/52826/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-16837" title="interop: client skip unknown component mirror" class="issue-link" data-issue-key="LU-16837"><del>LU-16837</del></a> lov: NULL dereference in lov_delete_composite<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: <br/> Commit: 250c6195fbe748d7c8f4c55888ed749de4cb95ce</p> <p>"Oleg Drokin &lt;green@whamcloud.com&gt;" merged in patch <a href="https://review.whamcloud.com/c/fs/lustre-release/+/51766/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/c/fs/lustre-release/+/51766/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-16837" title="interop: client skip unknown component mirror" class="issue-link" data-issue-key="LU-16837"><del>LU-16837</del></a> lustre: avoid the same member name<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: <br/> Commit: a4b5304ae5542373de4ad1f2bca193dfb95ef7ff</p> <p>All seems to be merged for 2.16</p> Duplicate Related LU-10026 LU-10606 LU-10911 Development Rank 1|i03luv: Rank (Obsolete) 9223372036854775807 Severity