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-887 Lustre <p>Somewhere between this commit on master:</p> <ul> <li>f0e5295 (tag: v2_1_50_0, tag: 2.1.50) Start of 2.2 development, updated version to 2.1.50</li> </ul> <p>and this commit:</p> <ul> <li>7b86fd9 (tag: v2_1_51_0, tag: 2.1.51.0, tag: 2.1.51) Increase lustre version to 2.1.51</li> </ul> <p>master appears to have lost the ability to mount 2.1 servers.</p> LU-887

master (2.2) clients incompatible with 2.1 servers?

Bug Minor Resolved Fixed Zhenyu Xu Christopher Morrone Thu, 1 Dec 2011 23:55:12 +0000 Mon, 12 Dec 2011 12:12:08 +0000 Mon, 12 Dec 2011 12:12:08 +0000 Lustre 2.2.0 Lustre 2.2.0 0 3 <p>Bobijam</p> <p>Could you please look into this one?</p> <p>Thanks</p> <p>Peter</p> <p>Xiong,</p> <p>this looks relates to your patch <a href="http://review.whamcloud.com/1217" class="external-link" target="_blank" rel="nofollow noopener">http://review.whamcloud.com/1217</a> <a href="http://review.whamcloud.com/#change,1198" class="external-link" target="_blank" rel="nofollow noopener">http://review.whamcloud.com/#change,1198</a></p> <p>From the client log</p> <div class="preformatted panel" style="border-width: 1px;"><div class="preformattedContent panelContent"> <pre>(mgc_request.c:1794:mgc_process_log()) Process log lustre-cliir:c0000003cd245800 from 1 (mgc_request.c:919:mgc_enqueue()) Enqueue for lustre-cliir (res 0x65727473756c) (client.c:1141:ptlrpc_check_status()) 11-0: an error occurred while communicating with 172.18.61.101@o2ib. The mgs_config_read operation failed with -524 (mgc_request.c:1825:mgc_process_log()) MGC172.18.61.101@o2ib: configuration from log 'lustre-cliir' failed (-524). (mgc_request.c:1907:mgc_process_config()) Cannot process recover llog -524 (obd_mount.c:438:lustre_process_log()) 15c-8: MGC172.18.61.101@o2ib: The configuration from log 'lustre-client' failed (-524). This may be the result of communication errors between this node and the MGS, a bad configuration, or other errors. See the syslog for more information. (llite_lib.c:949:ll_fill_super()) Unable to process log: -524 </pre> </div></div> <p>This is a compability issue of IR. I only handled the case that old clients are talking to new server, but didn't think of new clients are talking to an old MGS. We can fix this by checking the connect flag at: </p> <div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent"> <pre class="code-java"> <span class="code-keyword">if</span> (rc == 0 &amp;&amp; cld-&gt;cld_recover) { &gt;&gt;&gt; check <span class="code-keyword">if</span> the MGS is IR capable by checking OBD_CONNECT_IMP_RECOV of connect flag rc = mgc_process_log(obd, cld-&gt;cld_recover); <span class="code-keyword">if</span> (rc) CERROR(<span class="code-quote">"Cannot process recover llog %d\n"</span>, rc); } </pre> </div></div> <p>in function mgc_process_config().</p> <p>patch tracking at <a href="http://review.whamcloud.com/1798" class="external-link" target="_blank" rel="nofollow noopener">http://review.whamcloud.com/1798</a></p> <p>Integrated in <span class="image-wrap" style=""><img src="http://build.whamcloud.com/images/16x16/blue.png" style="border: 0px solid black" /></span> <a href="http://build.whamcloud.com/job/lustre-master/./arch=i686,build_type=client,distro=el6,ib_stack=inkernel/371/" class="external-link" target="_blank" rel="nofollow noopener">lustre-master » i686,client,el6,inkernel #371</a><br/> <a href="https://jira.whamcloud.com/browse/LU-887" title="master (2.2) clients incompatible with 2.1 servers?" class="issue-link" data-issue-key="LU-887"><del>LU-887</del></a> mgc: prevent client IR with old server (Revision 18699461ef9229d19a5b25ed80e252f4fa179822)</p> <p> Result = SUCCESS<br/> Oleg Drokin : <a href="http://git.whamcloud.com/gitweb?p=fs/lustre-release.git;a=shortlog;h=refs/heads/master&amp;a=commit&amp;h=18699461ef9229d19a5b25ed80e252f4fa179822" class="external-link" target="_blank" rel="nofollow noopener">18699461ef9229d19a5b25ed80e252f4fa179822</a><br/> Files : </p> <ul> <li>lustre/mgc/mgc_request.c</li> </ul> <p>Integrated in <span class="image-wrap" style=""><img src="http://build.whamcloud.com/images/16x16/blue.png" style="border: 0px solid black" /></span> <a href="http://build.whamcloud.com/job/lustre-master/./arch=x86_64,build_type=server,distro=el5,ib_stack=ofa/371/" class="external-link" target="_blank" rel="nofollow noopener">lustre-master » x86_64,server,el5,ofa #371</a><br/> <a href="https://jira.whamcloud.com/browse/LU-887" title="master (2.2) clients incompatible with 2.1 servers?" class="issue-link" data-issue-key="LU-887"><del>LU-887</del></a> mgc: prevent client IR with old server (Revision 18699461ef9229d19a5b25ed80e252f4fa179822)</p> <p> Result = SUCCESS<br/> Oleg Drokin : <a href="http://git.whamcloud.com/gitweb?p=fs/lustre-release.git;a=shortlog;h=refs/heads/master&amp;a=commit&amp;h=18699461ef9229d19a5b25ed80e252f4fa179822" class="external-link" target="_blank" rel="nofollow noopener">18699461ef9229d19a5b25ed80e252f4fa179822</a><br/> Files : </p> <ul> <li>lustre/mgc/mgc_request.c</li> </ul> <p>Integrated in <span class="image-wrap" style=""><img src="http://build.whamcloud.com/images/16x16/blue.png" style="border: 0px solid black" /></span> <a href="http://build.whamcloud.com/job/lustre-master/./arch=x86_64,build_type=client,distro=el6,ib_stack=inkernel/371/" class="external-link" target="_blank" rel="nofollow noopener">lustre-master » x86_64,client,el6,inkernel #371</a><br/> <a href="https://jira.whamcloud.com/browse/LU-887" title="master (2.2) clients incompatible with 2.1 servers?" class="issue-link" data-issue-key="LU-887"><del>LU-887</del></a> mgc: prevent client IR with old server (Revision 18699461ef9229d19a5b25ed80e252f4fa179822)</p> <p> Result = SUCCESS<br/> Oleg Drokin : <a href="http://git.whamcloud.com/gitweb?p=fs/lustre-release.git;a=shortlog;h=refs/heads/master&amp;a=commit&amp;h=18699461ef9229d19a5b25ed80e252f4fa179822" class="external-link" target="_blank" rel="nofollow noopener">18699461ef9229d19a5b25ed80e252f4fa179822</a><br/> Files : </p> <ul> <li>lustre/mgc/mgc_request.c</li> </ul> <p>Integrated in <span class="image-wrap" style=""><img src="http://build.whamcloud.com/images/16x16/blue.png" style="border: 0px solid black" /></span> <a href="http://build.whamcloud.com/job/lustre-master/./arch=i686,build_type=client,distro=el5,ib_stack=ofa/371/" class="external-link" target="_blank" rel="nofollow noopener">lustre-master » i686,client,el5,ofa #371</a><br/> <a href="https://jira.whamcloud.com/browse/LU-887" title="master (2.2) clients incompatible with 2.1 servers?" class="issue-link" data-issue-key="LU-887"><del>LU-887</del></a> mgc: prevent client IR with old server (Revision 18699461ef9229d19a5b25ed80e252f4fa179822)</p> <p> Result = SUCCESS<br/> Oleg Drokin : <a href="http://git.whamcloud.com/gitweb?p=fs/lustre-release.git;a=shortlog;h=refs/heads/master&amp;a=commit&amp;h=18699461ef9229d19a5b25ed80e252f4fa179822" class="external-link" target="_blank" rel="nofollow noopener">18699461ef9229d19a5b25ed80e252f4fa179822</a><br/> Files : </p> <ul> <li>lustre/mgc/mgc_request.c</li> </ul> <p>Integrated in <span class="image-wrap" style=""><img src="http://build.whamcloud.com/images/16x16/blue.png" style="border: 0px solid black" /></span> <a href="http://build.whamcloud.com/job/lustre-master/./arch=x86_64,build_type=client,distro=el5,ib_stack=inkernel/371/" class="external-link" target="_blank" rel="nofollow noopener">lustre-master » x86_64,client,el5,inkernel #371</a><br/> <a href="https://jira.whamcloud.com/browse/LU-887" title="master (2.2) clients incompatible with 2.1 servers?" class="issue-link" data-issue-key="LU-887"><del>LU-887</del></a> mgc: prevent client IR with old server (Revision 18699461ef9229d19a5b25ed80e252f4fa179822)</p> <p> Result = SUCCESS<br/> Oleg Drokin : <a href="http://git.whamcloud.com/gitweb?p=fs/lustre-release.git;a=shortlog;h=refs/heads/master&amp;a=commit&amp;h=18699461ef9229d19a5b25ed80e252f4fa179822" class="external-link" target="_blank" rel="nofollow noopener">18699461ef9229d19a5b25ed80e252f4fa179822</a><br/> Files : </p> <ul> <li>lustre/mgc/mgc_request.c</li> </ul> <p>Integrated in <span class="image-wrap" style=""><img src="http://build.whamcloud.com/images/16x16/blue.png" style="border: 0px solid black" /></span> <a href="http://build.whamcloud.com/job/lustre-master/./arch=x86_64,build_type=client,distro=sles11,ib_stack=inkernel/371/" class="external-link" target="_blank" rel="nofollow noopener">lustre-master » x86_64,client,sles11,inkernel #371</a><br/> <a href="https://jira.whamcloud.com/browse/LU-887" title="master (2.2) clients incompatible with 2.1 servers?" class="issue-link" data-issue-key="LU-887"><del>LU-887</del></a> mgc: prevent client IR with old server (Revision 18699461ef9229d19a5b25ed80e252f4fa179822)</p> <p> Result = SUCCESS<br/> Oleg Drokin : <a href="http://git.whamcloud.com/gitweb?p=fs/lustre-release.git;a=shortlog;h=refs/heads/master&amp;a=commit&amp;h=18699461ef9229d19a5b25ed80e252f4fa179822" class="external-link" target="_blank" rel="nofollow noopener">18699461ef9229d19a5b25ed80e252f4fa179822</a><br/> Files : </p> <ul> <li>lustre/mgc/mgc_request.c</li> </ul> <p>Integrated in <span class="image-wrap" style=""><img src="http://build.whamcloud.com/images/16x16/blue.png" style="border: 0px solid black" /></span> <a href="http://build.whamcloud.com/job/lustre-master/./arch=x86_64,build_type=server,distro=el5,ib_stack=inkernel/371/" class="external-link" target="_blank" rel="nofollow noopener">lustre-master » x86_64,server,el5,inkernel #371</a><br/> <a href="https://jira.whamcloud.com/browse/LU-887" title="master (2.2) clients incompatible with 2.1 servers?" class="issue-link" data-issue-key="LU-887"><del>LU-887</del></a> mgc: prevent client IR with old server (Revision 18699461ef9229d19a5b25ed80e252f4fa179822)</p> <p> Result = SUCCESS<br/> Oleg Drokin : <a href="http://git.whamcloud.com/gitweb?p=fs/lustre-release.git;a=shortlog;h=refs/heads/master&amp;a=commit&amp;h=18699461ef9229d19a5b25ed80e252f4fa179822" class="external-link" target="_blank" rel="nofollow noopener">18699461ef9229d19a5b25ed80e252f4fa179822</a><br/> Files : </p> <ul> <li>lustre/mgc/mgc_request.c</li> </ul> <p>Integrated in <span class="image-wrap" style=""><img src="http://build.whamcloud.com/images/16x16/blue.png" style="border: 0px solid black" /></span> <a href="http://build.whamcloud.com/job/lustre-master/./arch=i686,build_type=client,distro=el5,ib_stack=inkernel/371/" class="external-link" target="_blank" rel="nofollow noopener">lustre-master » i686,client,el5,inkernel #371</a><br/> <a href="https://jira.whamcloud.com/browse/LU-887" title="master (2.2) clients incompatible with 2.1 servers?" class="issue-link" data-issue-key="LU-887"><del>LU-887</del></a> mgc: prevent client IR with old server (Revision 18699461ef9229d19a5b25ed80e252f4fa179822)</p> <p> Result = SUCCESS<br/> Oleg Drokin : <a href="http://git.whamcloud.com/gitweb?p=fs/lustre-release.git;a=shortlog;h=refs/heads/master&amp;a=commit&amp;h=18699461ef9229d19a5b25ed80e252f4fa179822" class="external-link" target="_blank" rel="nofollow noopener">18699461ef9229d19a5b25ed80e252f4fa179822</a><br/> Files : </p> <ul> <li>lustre/mgc/mgc_request.c</li> </ul> <p>Integrated in <span class="image-wrap" style=""><img src="http://build.whamcloud.com/images/16x16/blue.png" style="border: 0px solid black" /></span> <a href="http://build.whamcloud.com/job/lustre-master/./arch=x86_64,build_type=client,distro=ubuntu1004,ib_stack=inkernel/371/" class="external-link" target="_blank" rel="nofollow noopener">lustre-master » x86_64,client,ubuntu1004,inkernel #371</a><br/> <a href="https://jira.whamcloud.com/browse/LU-887" title="master (2.2) clients incompatible with 2.1 servers?" class="issue-link" data-issue-key="LU-887"><del>LU-887</del></a> mgc: prevent client IR with old server (Revision 18699461ef9229d19a5b25ed80e252f4fa179822)</p> <p> Result = SUCCESS<br/> Oleg Drokin : <a href="http://git.whamcloud.com/gitweb?p=fs/lustre-release.git;a=shortlog;h=refs/heads/master&amp;a=commit&amp;h=18699461ef9229d19a5b25ed80e252f4fa179822" class="external-link" target="_blank" rel="nofollow noopener">18699461ef9229d19a5b25ed80e252f4fa179822</a><br/> Files : </p> <ul> <li>lustre/mgc/mgc_request.c</li> </ul> <p>Integrated in <span class="image-wrap" style=""><img src="http://build.whamcloud.com/images/16x16/blue.png" style="border: 0px solid black" /></span> <a href="http://build.whamcloud.com/job/lustre-master/./arch=i686,build_type=server,distro=el6,ib_stack=inkernel/371/" class="external-link" target="_blank" rel="nofollow noopener">lustre-master » i686,server,el6,inkernel #371</a><br/> <a href="https://jira.whamcloud.com/browse/LU-887" title="master (2.2) clients incompatible with 2.1 servers?" class="issue-link" data-issue-key="LU-887"><del>LU-887</del></a> mgc: prevent client IR with old server (Revision 18699461ef9229d19a5b25ed80e252f4fa179822)</p> <p> Result = SUCCESS<br/> Oleg Drokin : <a href="http://git.whamcloud.com/gitweb?p=fs/lustre-release.git;a=shortlog;h=refs/heads/master&amp;a=commit&amp;h=18699461ef9229d19a5b25ed80e252f4fa179822" class="external-link" target="_blank" rel="nofollow noopener">18699461ef9229d19a5b25ed80e252f4fa179822</a><br/> Files : </p> <ul> <li>lustre/mgc/mgc_request.c</li> </ul> <p>Integrated in <span class="image-wrap" style=""><img src="http://build.whamcloud.com/images/16x16/blue.png" style="border: 0px solid black" /></span> <a href="http://build.whamcloud.com/job/lustre-master/./arch=x86_64,build_type=client,distro=el5,ib_stack=ofa/371/" class="external-link" target="_blank" rel="nofollow noopener">lustre-master » x86_64,client,el5,ofa #371</a><br/> <a href="https://jira.whamcloud.com/browse/LU-887" title="master (2.2) clients incompatible with 2.1 servers?" class="issue-link" data-issue-key="LU-887"><del>LU-887</del></a> mgc: prevent client IR with old server (Revision 18699461ef9229d19a5b25ed80e252f4fa179822)</p> <p> Result = SUCCESS<br/> Oleg Drokin : <a href="http://git.whamcloud.com/gitweb?p=fs/lustre-release.git;a=shortlog;h=refs/heads/master&amp;a=commit&amp;h=18699461ef9229d19a5b25ed80e252f4fa179822" class="external-link" target="_blank" rel="nofollow noopener">18699461ef9229d19a5b25ed80e252f4fa179822</a><br/> Files : </p> <ul> <li>lustre/mgc/mgc_request.c</li> </ul> <p>Integrated in <span class="image-wrap" style=""><img src="http://build.whamcloud.com/images/16x16/blue.png" style="border: 0px solid black" /></span> <a href="http://build.whamcloud.com/job/lustre-master/./arch=i686,build_type=server,distro=el5,ib_stack=inkernel/371/" class="external-link" target="_blank" rel="nofollow noopener">lustre-master » i686,server,el5,inkernel #371</a><br/> <a href="https://jira.whamcloud.com/browse/LU-887" title="master (2.2) clients incompatible with 2.1 servers?" class="issue-link" data-issue-key="LU-887"><del>LU-887</del></a> mgc: prevent client IR with old server (Revision 18699461ef9229d19a5b25ed80e252f4fa179822)</p> <p> Result = SUCCESS<br/> Oleg Drokin : <a href="http://git.whamcloud.com/gitweb?p=fs/lustre-release.git;a=shortlog;h=refs/heads/master&amp;a=commit&amp;h=18699461ef9229d19a5b25ed80e252f4fa179822" class="external-link" target="_blank" rel="nofollow noopener">18699461ef9229d19a5b25ed80e252f4fa179822</a><br/> Files : </p> <ul> <li>lustre/mgc/mgc_request.c</li> </ul> <p>Integrated in <span class="image-wrap" style=""><img src="http://build.whamcloud.com/images/16x16/blue.png" style="border: 0px solid black" /></span> <a href="http://build.whamcloud.com/job/lustre-master/./arch=x86_64,build_type=server,distro=el6,ib_stack=inkernel/371/" class="external-link" target="_blank" rel="nofollow noopener">lustre-master » x86_64,server,el6,inkernel #371</a><br/> <a href="https://jira.whamcloud.com/browse/LU-887" title="master (2.2) clients incompatible with 2.1 servers?" class="issue-link" data-issue-key="LU-887"><del>LU-887</del></a> mgc: prevent client IR with old server (Revision 18699461ef9229d19a5b25ed80e252f4fa179822)</p> <p> Result = SUCCESS<br/> Oleg Drokin : <a href="http://git.whamcloud.com/gitweb?p=fs/lustre-release.git;a=shortlog;h=refs/heads/master&amp;a=commit&amp;h=18699461ef9229d19a5b25ed80e252f4fa179822" class="external-link" target="_blank" rel="nofollow noopener">18699461ef9229d19a5b25ed80e252f4fa179822</a><br/> Files : </p> <ul> <li>lustre/mgc/mgc_request.c</li> </ul> <p>Integrated in <span class="image-wrap" style=""><img src="http://build.whamcloud.com/images/16x16/blue.png" style="border: 0px solid black" /></span> <a href="http://build.whamcloud.com/job/lustre-master/./arch=i686,build_type=server,distro=el5,ib_stack=ofa/371/" class="external-link" target="_blank" rel="nofollow noopener">lustre-master » i686,server,el5,ofa #371</a><br/> <a href="https://jira.whamcloud.com/browse/LU-887" title="master (2.2) clients incompatible with 2.1 servers?" class="issue-link" data-issue-key="LU-887"><del>LU-887</del></a> mgc: prevent client IR with old server (Revision 18699461ef9229d19a5b25ed80e252f4fa179822)</p> <p> Result = SUCCESS<br/> Oleg Drokin : <a href="http://git.whamcloud.com/gitweb?p=fs/lustre-release.git;a=shortlog;h=refs/heads/master&amp;a=commit&amp;h=18699461ef9229d19a5b25ed80e252f4fa179822" class="external-link" target="_blank" rel="nofollow noopener">18699461ef9229d19a5b25ed80e252f4fa179822</a><br/> Files : </p> <ul> <li>lustre/mgc/mgc_request.c</li> </ul> <p>Landed for 2.2</p> Development Rank 1|hzv80n: Rank (Obsolete) 4833 Severity