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/LUDOC-514 Lustre Documentation <p>Tar does only restore the following xattr if <tt>--acls</tt> is provided:</p> <div class="preformatted panel" style="border-width: 1px;"><div class="preformattedContent panelContent"> <pre>system.posix_acl_access system.posix_acl_default </pre> </div></div> <p>See: <a href="https://git.savannah.gnu.org/cgit/tar.git/tree/src/xattrs.c#n283" class="external-link" target="_blank" rel="nofollow noopener">https://git.savannah.gnu.org/cgit/tar.git/tree/src/xattrs.c#n283</a></p> <p>The documentation should be updated to mention --acls for MDT backup/restore, otherwise all POSIX ACLs are lost. I will submit a doc patch shortly.</p> <p>Alternatively, one can use <tt>getfacl</tt>/<tt>setfacl</tt> to backup/restore ACLs.</p> <p>Lastly, using <tt>-P / --absolute-names</tt> speeds up tremendously the extraction for trusted archive with hardlinks (like MDT backup archives).<br/> See:</p> <ul> <li><a href="https://mort.coffee/home/tar/" class="external-link" target="_blank" rel="nofollow noopener">https://mort.coffee/home/tar/</a></li> <li><a href="https://www.gnu.org/software/tar/manual/html_node/absolute.html" class="external-link" target="_blank" rel="nofollow noopener">https://www.gnu.org/software/tar/manual/html_node/absolute.html</a></li> </ul> <p> </p> LUDOC-514

tar --acls option for proper POSIX ACLs backup/restore of MDTs

Improvement Major Resolved Fixed Lustre Manual Triage Stephane Thiell Thu, 6 Jul 2023 23:09:30 +0000 Fri, 7 Jul 2023 02:54:21 +0000 Fri, 7 Jul 2023 02:54:21 +0000 0 2 <p>"Stephane Thiell &lt;sthiell@stanford.edu&gt;" uploaded a new patch: <a href="https://review.whamcloud.com/c/doc/manual/+/51599" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/c/doc/manual/+/51599</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LUDOC-514" title="tar --acls option for proper POSIX ACLs backup/restore of MDTs" class="issue-link" data-issue-key="LUDOC-514"><del>LUDOC-514</del></a>: add --acls and -P for MDT backup/restore<br/> Project: doc/manual<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: 610458bc82d5a51308e906d82527863e242c76f4</p> <p>"Andreas Dilger &lt;adilger@whamcloud.com&gt;" merged in patch <a href="https://review.whamcloud.com/c/doc/manual/+/51599/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/c/doc/manual/+/51599/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LUDOC-514" title="tar --acls option for proper POSIX ACLs backup/restore of MDTs" class="issue-link" data-issue-key="LUDOC-514"><del>LUDOC-514</del></a>: add --acls and -P for MDT backup/restore<br/> Project: doc/manual<br/> Branch: master<br/> Current Patch Set: <br/> Commit: da6e9fdcc2fcacc234ba9b472124d4d2a89d855a</p> Development Rank 1|i03pvr: Rank (Obsolete) 9223372036854775807 Severity