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<p class="MsoNormal"><span lang="EN-US">2.10.x servers should interoperate with 2.12.x clients – many sites use this option.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:12.0pt;color:black">From: </span></b><span style="font-size:12.0pt;color:black">Huiming Song <s0nghuiming@hotmail.com><br>
<b>Date: </b>Monday, October 21, 2019 at 6:25 PM<br>
<b>To: </b>Peter Jones <pjones@whamcloud.com><br>
<b>Subject: </b>Re: [lustre-discuss] Build fails on Lustre 2.10.x and Ubuntu 18.04<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black">Hi Jones,<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black">I tried b2_12 and it worked on Ubuntu 18.04. I choose b2_10 because my lustre server is 2.10.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black">I guess only b2_10 matches the server. Am I right?<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black">Thank you and best regards<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;color:black;background:white">Song</span><span style="font-size:12.0pt;color:black">, Huiming<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="color:black">From:</span></b><span style="color:black"> Peter Jones <pjones@whamcloud.com><br>
<b>Sent:</b> Tuesday, October 22, 2019 0:05<br>
<b>To:</b> Huiming Song <s0nghuiming@hotmail.com>; lustre-discuss@lists.lustre.org <lustre-discuss@lists.lustre.org><br>
<b>Subject:</b> Re: [lustre-discuss] Build fails on Lustre 2.10.x and Ubuntu 18.04</span>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="xmsonormal"><span lang="EN-US">I suggest that you use the b2_12 branch instead -that should be able to build against more current kernels than b2_10</span><o:p></o:p></p>
<p class="xmsonormal"><span lang="EN-US"> </span><o:p></o:p></p>
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<p class="xmsonormal"><b><span style="font-size:12.0pt;color:black">From: </span>
</b><span style="font-size:12.0pt;color:black">lustre-discuss <lustre-discuss-bounces@lists.lustre.org> on behalf of Huiming Song <s0nghuiming@hotmail.com><br>
<b>Date: </b>Monday, October 21, 2019 at 2:21 AM<br>
<b>To: </b>"lustre-discuss@lists.lustre.org" <lustre-discuss@lists.lustre.org><br>
<b>Subject: </b>[lustre-discuss] Build fails on Lustre 2.10.x and Ubuntu 18.04</span><o:p></o:p></p>
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<p class="xmsonormal"> <o:p></o:p></p>
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<p class="xmsonormal"><span style="font-size:12.0pt;color:black">Hi,</span><o:p></o:p></p>
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<p class="xmsonormal"><span style="font-size:12.0pt;color:black"> </span><o:p></o:p></p>
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<p class="xmsonormal"><span style="font-family:"Helvetica Neue";color:#201F1E;background:white">I'm trying to build lustre from source @b2_10 branch and Ubuntu 18.04/19.04.</span><o:p></o:p></p>
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<p class="xmsonormal"><span style="font-size:12.0pt;color:black"> </span><o:p></o:p></p>
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<p class="xmsonormal"><span style="font-size:12.0pt;color:black">After meeting many difficulties, I can start make the build.</span><o:p></o:p></p>
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<p class="xmsonormal"><span style="font-size:12.0pt;color:black"> </span><o:p></o:p></p>
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<p class="xmsonormal" style="background:white"><span style="font-size:12.0pt;color:black">Then in 'make debs', I received the error as of following:</span><o:p></o:p></p>
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<p class="xmsonormal">...<br>
rm -f liblustreapitmp.a<o:p></o:p></p>
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<p class="xmsonormal">ar cru liblustreapitmp.a liblustreapi.o liblustreapi_hsm.o liblustreapi_nodemap.o liblustreapi_json.o liblustreapi_layout.o liblustreapi_lease.o liblustreapi_util.o liblustreapi_kernelconn.o liblustreapi_param.o ../../libcfs/libcfs/util/string.o
../../libcfs/libcfs/util/param.o liblustreapi_ladvise.o liblustreapi_chlg.o<o:p></o:p></p>
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<p class="xmsonormal">ar: `u' modifier ignored since `D' is the default (see `U')<o:p></o:p></p>
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<p class="xmsonormal">ranlib liblustreapitmp.a<o:p></o:p></p>
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<p class="xmsonormal">rm -f liblustreapi.a liblustreapi.so<o:p></o:p></p>
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<p class="xmsonormal">gcc -shared -o liblustreapi.so `ar -t liblustreapitmp.a`<o:p></o:p></p>
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<p class="xmsonormal">gcc: error: string.o: No such file or directory<o:p></o:p></p>
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<p class="xmsonormal">gcc: error: param.o: No such file or directory<o:p></o:p></p>
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<p class="xmsonormal">Makefile:1834: recipe for target 'liblustreapi.a' failed<o:p></o:p></p>
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<p class="xmsonormal" style="background:white"><span style="font-size:12.0pt;color:black"> </span><o:p></o:p></p>
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<p class="xmsonormal" style="background:white"><span style="font-size:12.0pt;color:black">I have searched for the issue in the mailing list. I searchech 'Ubuntu 18.04', 'string.o', 'params.o', but no issue matches my case.</span><o:p></o:p></p>
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<p class="xmsonormal" style="background:white"><span style="font-size:12.0pt;color:black">Could you help to give any comments on this error? Thanks in advance. </span><o:p></o:p></p>
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<p class="xmsonormal"><span style="font-size:12.0pt;color:black"> </span><o:p></o:p></p>
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<p class="xmsonormal"><span style="font-size:12.0pt;color:black"> </span><o:p></o:p></p>
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<p class="xmsonormal" style="background:white"><span style="font-size:12.0pt;color:black">----------------------------------</span><o:p></o:p></p>
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<p class="xmsonormal" style="background:white"><span style="font-size:12.0pt;color:black">Thank you and best regards</span><o:p></o:p></p>
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<p class="xmsonormal" style="background:white"><span style="font-size:12.0pt;color:black;background:white">Song</span><span style="font-size:12.0pt;color:black">, Huiming</span><o:p></o:p></p>
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<p class="xmsonormal"><span style="font-size:12.0pt;color:black"> </span><o:p></o:p></p>
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