<html><head><meta http-equiv="Content-Type" content="text/html charset=iso-8859-1"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">When you say install the associated kernel do you mean patching the kernel like below<div class=""><div style="margin: 0px; font-size: 11px; line-height: normal; font-family: Menlo;" class=""><span style="font-variant-ligatures: no-common-ligatures" class="">sudo /sbin/new-kernel-pkg --package kernel --mkinitrd  --dracut --depmod --install </span>2.6.32-573.12.1.el6_lustre.x86_64</div><div style="margin: 0px; font-size: 11px; line-height: normal; font-family: Menlo;" class=""><span style="font-variant-ligatures: no-common-ligatures" class=""><br class=""></span></div><div style="margin: 0px; font-size: 11px; line-height: normal; font-family: Menlo;" class=""><span style="font-variant-ligatures: no-common-ligatures" class="">I have already done rpm -ivh kernel-</span>2.6.32-573.12.1.el6_lustre.x86_64.rpm</div><div style="margin: 0px; font-size: 11px; line-height: normal; font-family: Menlo;" class=""><br class=""></div><div style="margin: 0px; font-size: 11px; line-height: normal; font-family: Menlo;" class=""><br class=""></div><div><blockquote type="cite" class=""><div class="">On Jun 22, 2016, at 2:51 PM, Patrick Farrell <<a href="mailto:paf@cray.com" class="">paf@cray.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class="">
  
    <meta content="text/html; charset=ISO-8859-1" http-equiv="Content-Type" class="">
  
  <div bgcolor="#FFFFFF" text="#000000" class="">
    The kernel version is found with uname -r or cat /proc/version.<br class="">
    <br class="">
    That needs to match the kernel version in the Lustre RPMs.  (The
    version string is the 2.6.32-573.12.1.el6_lustre) part.<br class="">
    <br class="">
    In fact, it looks like you've got Lustre server RPMs, given the
    _lustre in the name of the kernel.  That means you need to install
    the associated kernel.<br class="">
    <br class="">
    - Patrick<br class="">
    <br class="">
    <div class="moz-cite-prefix">On 06/22/2016 01:43 PM, Sangeetha
      Banavathi Srinivasa wrote:<br class="">
    </div>
    <blockquote cite="mid:7110EC3C-9C01-4F1C-8ADE-E4D2D4AEBB3E@vt.edu" type="cite" class="">
      <meta http-equiv="Content-Type" content="text/html;
        charset=ISO-8859-1" class="">
      Patrick,
      <div class=""><br class="">
      </div>
      <div class="">The CentOS version on the machines is 6.8</div>
      <div class="">
        <div style="margin: 0px; font-size: 11px; line-height: normal;
          font-family: Menlo;" class=""><span style="font-variant-ligatures: no-common-ligatures" class=""><br class="">
          </span></div>
        <div style="margin: 0px; font-size: 11px; line-height: normal;
          font-family: Menlo;" class=""><span style="font-variant-ligatures: no-common-ligatures" class=""><span class="Apple-tab-span" style="white-space:pre"> </span>[lustre@hulk2
            ~]$ cat /etc/redhat-release </span></div>
        <div style="margin: 0px; font-size: 11px; line-height: normal;
          font-family: Menlo;" class=""><span style="font-variant-ligatures: no-common-ligatures" class=""><span class="Apple-tab-span" style="white-space:pre"> </span>CentOS
            release 6.8 (Final)</span></div>
        <div style="margin: 0px; font-size: 11px; line-height: normal;
          font-family: Menlo;" class=""><br class="">
        </div>
      </div>
      <div style="margin: 0px; font-size: 11px; line-height: normal;
        font-family: Menlo;" class="">
        <div style="margin: 0px; line-height: normal;" class=""><br class="">
        </div>
        <div style="margin: 0px; line-height: normal;" class="">The
          kernel version that I have installed is what I found along
          with the lustre RPMs</div>
        <div style="margin: 0px; line-height: normal;" class="">[lustre@amaranth3
          ~]$ uname -r</div>
        <div style="margin: 0px; line-height: normal;" class=""><span style="font-variant-ligatures: no-common-ligatures" class="">2.6.32-573.12.1.el6_lustre.x86_64</span></div>
        <div class=""><span style="font-variant-ligatures:
            no-common-ligatures" class=""><br class="">
          </span></div>
        <div class=""><span style="font-variant-ligatures:
            no-common-ligatures" class=""><br class="">
          </span></div>
        <div class=""><span style="font-variant-ligatures:
            no-common-ligatures" class="">And I am trying to install
            lustre 2.8.</span></div>
        <div class=""><span style="font-variant-ligatures:
            no-common-ligatures" class=""><br class="">
          </span></div>
        <div class=""><span style="font-variant-ligatures:
            no-common-ligatures" class="">Should the CentOS release
            version be 2.7??</span></div>
        <div class=""><span style="font-variant-ligatures:
            no-common-ligatures" class=""><br class="">
          </span></div>
        <div class=""><br class="">
        </div>
      </div>
      <div class=""><br class="">
        <div class="">
          <blockquote type="cite" class="">
            <div class="">On Jun 22, 2016, at 2:17 PM, Patrick Farrell
              <<a moz-do-not-send="true" href="mailto:paf@cray.com" class="">paf@cray.com</a>> wrote:</div>
            <br class="Apple-interchange-newline">
            <div class="">
              <div bgcolor="#FFFFFF" text="#000000" class=""> Well, it
                says to check dmesg...  Though that will just list the
                symbols.  In general, this usually means you've got a
                mismatch between the version of the kernel (or OFED)
                Lustre is built against and your version of either the
                kernel or OFED.  Given the number and locations of the
                mismatches, I'm guessing it's the kernel.<br class="">
                <br class="">
                So, compare your kernel version and your Lustre RPMs.<br class="">
                <br class="">
                Regards,<br class="">
                - Patrick<br class="">
                <div class="moz-cite-prefix">On 06/22/2016 12:47 PM,
                  Sangeetha Banavathi Srinivasa wrote:<br class="">
                </div>
                <blockquote cite="mid:AFFCF292-0A36-4024-9F67-E77A152487FE@vt.edu" type="cite" class=""> When I try modprobe lustre, I
                  see the below errors:
                  <div class="">
                    <div style="margin: 0px; font-size: 11px;
                      line-height: normal; font-family: Menlo;" class=""><span style="font-variant-ligatures:
                        no-common-ligatures" class="">[</span><span style="font-variant-ligatures:
                        no-common-ligatures; color: #afad24" class=""><b class="">05:44:03</b></span><span style="font-variant-ligatures:
                        no-common-ligatures" class="">] </span><span style="font-variant-ligatures:
                        no-common-ligatures; color: #34bd26" class=""><b class="">root@hulk2</b></span><span style="font-variant-ligatures:
                        no-common-ligatures; color: #5330e1" class=""><b class=""> lustre #</b></span><span style="font-variant-ligatures:
                        no-common-ligatures" class=""> modprobe lustre</span></div>
                    <div style="margin: 0px; font-size: 11px;
                      line-height: normal; font-family: Menlo;" class=""><span style="font-variant-ligatures:
                        no-common-ligatures" class="">WARNING: Error
                        inserting obdclass
                        (/lib/modules/2.6.32-573.12.1.el6_lustre.x86_64/extra/kernel/fs/lustre/obdclass.ko):

                        Unknown symbol in module, or unknown parameter
                        (see dmesg)</span></div>
                    <div style="margin: 0px; font-size: 11px;
                      line-height: normal; font-family: Menlo;" class=""><span style="font-variant-ligatures:
                        no-common-ligatures" class="">WARNING: Error
                        inserting ptlrpc
                        (/lib/modules/2.6.32-573.12.1.el6_lustre.x86_64/extra/kernel/fs/lustre/ptlrpc.ko):

                        Unknown symbol in module, or unknown parameter
                        (see dmesg)</span></div>
                    <div style="margin: 0px; font-size: 11px;
                      line-height: normal; font-family: Menlo;" class=""><span style="font-variant-ligatures:
                        no-common-ligatures" class="">WARNING: Error
                        inserting fld
                        (/lib/modules/2.6.32-573.12.1.el6_lustre.x86_64/extra/kernel/fs/lustre/fld.ko):

                        Unknown symbol in module, or unknown parameter
                        (see dmesg)</span></div>
                    <div style="margin: 0px; font-size: 11px;
                      line-height: normal; font-family: Menlo;" class=""><span style="font-variant-ligatures:
                        no-common-ligatures" class="">WARNING: Error
                        inserting lmv
                        (/lib/modules/2.6.32-573.12.1.el6_lustre.x86_64/extra/kernel/fs/lustre/lmv.ko):

                        Unknown symbol in module, or unknown parameter
                        (see dmesg)</span></div>
                    <div style="margin: 0px; font-size: 11px;
                      line-height: normal; font-family: Menlo;" class=""><span style="font-variant-ligatures:
                        no-common-ligatures" class="">WARNING: Error
                        inserting fid
                        (/lib/modules/2.6.32-573.12.1.el6_lustre.x86_64/extra/kernel/fs/lustre/fid.ko):

                        Unknown symbol in module, or unknown parameter
                        (see dmesg)</span></div>
                    <div style="margin: 0px; font-size: 11px;
                      line-height: normal; font-family: Menlo;" class=""><span style="font-variant-ligatures:
                        no-common-ligatures" class="">WARNING: Error
                        inserting mdc
                        (/lib/modules/2.6.32-573.12.1.el6_lustre.x86_64/extra/kernel/fs/lustre/mdc.ko):

                        Unknown symbol in module, or unknown parameter
                        (see dmesg)</span></div>
                    <div style="margin: 0px; font-size: 11px;
                      line-height: normal; font-family: Menlo;" class=""><span style="font-variant-ligatures:
                        no-common-ligatures" class="">WARNING: Error
                        inserting lov
                        (/lib/modules/2.6.32-573.12.1.el6_lustre.x86_64/extra/kernel/fs/lustre/lov.ko):

                        Unknown symbol in module, or unknown parameter
                        (see dmesg)</span></div>
                    <div style="margin: 0px; font-size: 11px;
                      line-height: normal; font-family: Menlo;" class=""><span style="font-variant-ligatures:
                        no-common-ligatures" class="">FATAL: Error
                        inserting lustre
                        (/lib/modules/2.6.32-573.12.1.el6_lustre.x86_64/extra/kernel/fs/lustre/lustre.ko):

                        Unknown symbol in module, or unknown parameter
                        (see dmesg)</span></div>
                    <div class=""><span style="font-variant-ligatures:
                        no-common-ligatures" class=""><br class="">
                      </span></div>
                    <div style="" class="">
                      <blockquote type="cite" class="">
                        <div class="">On Jun 22, 2016, at 1:44 PM,
                          Sangeetha Banavathi Srinivasa <<a moz-do-not-send="true" href="mailto:bsangee@vt.edu" class="">bsangee@vt.edu</a>>

                          wrote:</div>
                        <br class="Apple-interchange-newline">
                        <div class="">
                          <div style="word-wrap: break-word;
                            -webkit-nbsp-mode: space;
                            -webkit-line-break: after-white-space;" class="">Hi,
                            <div class=""><br class="">
                            </div>
                            <div class="">Below are the steps I executed
                              in configuring MDS.</div>
                            <div class=""><br class="">
                            </div>
                            <div class="">1. <span style="color: rgb(6,
                                8, 8); font-family: Courier; font-size:
                                8pt; font-weight: 700;" class="">mkfs.lustre
                                --fsname lustre --mdt --mgs
                                /dev/vg00/mdt</span></div>
                            <div class="page" title="Page 12">
                              <div class="section">
                                <div class="layoutArea">
                                  <div class="column"><p class=""><span style="font-size:
                                        8.000000pt; font-family:
                                        'Courier'; font-weight: 700;
                                        color: rgb(2.460608%, 3.152672%,
                                        3.229536%)" class="">2. </span><span style="color: rgb(6, 8, 8);
                                        font-family: Courier; font-size:
                                        8pt; font-weight: 700;" class="">mkdir

                                        /mdt</span></p>
                                    <div class="page" title="Page 13">
                                      <div class="section">
                                        <div class="layoutArea">
                                          <div class="column"><p class=""><span style="font-size:
                                                8.000000pt; font-family:
                                                'Courier'; font-weight:
                                                700; color:
                                                rgb(2.460608%,
                                                3.152672%, 3.229536%)" class="">3. </span><span style="color: rgb(6, 8,
                                                8); font-family:
                                                Courier; font-size: 8pt;
                                                font-weight: 700;" class="">mount -t lustre
                                                /dev/vg00/mdt /mdt</span></p>
                                            <div class="page" title="Page 13">
                                              <div class="section">
                                                <div class="layoutArea">
                                                  <div class="column"><p class=""><font class="" color="#060808">I
                                                        see the below
                                                        error after step
                                                        3:</font></p>
                                                    <div class="">
                                                      <div style="margin:
                                                        0px; font-size:
                                                        11px;
                                                        line-height:
                                                        normal;
                                                        font-family:
                                                        Menlo;" class=""><span style="font-variant-ligatures:

no-common-ligatures" class="">mount.lustre: mount /dev/mapper/vg00-mdt1
                                                          at /mdt
                                                          failed: No
                                                          such device</span></div>
                                                      <div style="margin:
                                                        0px; font-size:
                                                        11px;
                                                        line-height:
                                                        normal;
                                                        font-family:
                                                        Menlo;" class=""><span style="font-variant-ligatures:

no-common-ligatures" class="">Are the lustre modules loaded?</span></div>
                                                      <div style="margin:
                                                        0px; font-size:
                                                        11px;
                                                        line-height:
                                                        normal;
                                                        font-family:
                                                        Menlo;" class=""><span style="font-variant-ligatures:

no-common-ligatures" class="">Check /etc/modprobe.conf and
                                                          /proc/filesystems</span></div>
                                                      <div style="margin:
                                                        0px; font-size:
                                                        11px;
                                                        line-height:
                                                        normal;
                                                        font-family:
                                                        Menlo;" class=""><span style="font-variant-ligatures:

no-common-ligatures" class="">[root@amaranth3 lustre]# </span></div>
                                                    </div>
                                                    <div class=""><span style="font-variant-ligatures:

no-common-ligatures" class=""><br class="">
                                                      </span></div>
                                                    <div class=""><span style="font-variant-ligatures:

no-common-ligatures" class=""><br class="">
                                                      </span></div>
                                                    <div class=""><span style="font-variant-ligatures:

no-common-ligatures" class="">I tried modprobe lustre and retried
                                                        mounting but it
                                                        resulted in the
                                                        same error.  Any
                                                        help will be
                                                        appreciated.</span></div>
                                                    <div class=""><span style="font-variant-ligatures:

no-common-ligatures" class=""><br class="">
                                                      </span></div>
                                                    <div class=""><span style="font-variant-ligatures:

no-common-ligatures" class=""><br class="">
                                                      </span></div>
                                                    <div class=""><span style="font-variant-ligatures:

no-common-ligatures" class="">For your info, the lustre modules that I
                                                        have installed
                                                        are:</span></div>
                                                    <div style="margin:
                                                      0px; font-size:
                                                      11px; line-height:
                                                      normal;
                                                      font-family:
                                                      Menlo;" class=""><span style="font-variant-ligatures:

no-common-ligatures" class="">[root@amaranth3 lustre]# rpm -qa |grep
                                                        lustre</span></div>
                                                    <div style="margin:
                                                      0px; font-size:
                                                      11px; line-height:
                                                      normal;
                                                      font-family:
                                                      Menlo;" class=""><span style="font-variant-ligatures:

no-common-ligatures" class="">lustre-osd-ldiskfs-mount-2.8.0-2.6.32_573.12.1.el6_lustre.x86_64.x86_64</span></div>
                                                    <div style="margin:
                                                      0px; font-size:
                                                      11px; line-height:
                                                      normal;
                                                      font-family:
                                                      Menlo;" class=""><span style="font-variant-ligatures:

no-common-ligatures" class="">lustre-tests-2.8.0-2.6.32_573.12.1.el6_lustre.x86_64.x86_64</span></div>
                                                    <div style="margin:
                                                      0px; font-size:
                                                      11px; line-height:
                                                      normal;
                                                      font-family:
                                                      Menlo;" class=""><span style="font-variant-ligatures:

no-common-ligatures" class="">lustre-modules-2.8.0-2.6.32_573.12.1.el6_lustre.x86_64.x86_64</span></div>
                                                    <div style="margin:
                                                      0px; font-size:
                                                      11px; line-height:
                                                      normal;
                                                      font-family:
                                                      Menlo;" class=""><span style="font-variant-ligatures:

no-common-ligatures" class="">lustre-osd-ldiskfs-2.8.0-2.6.32_573.12.1.el6_lustre.x86_64.x86_64</span></div>
                                                    <div style="margin:
                                                      0px; font-size:
                                                      11px; line-height:
                                                      normal;
                                                      font-family:
                                                      Menlo;" class=""><span style="font-variant-ligatures:

no-common-ligatures" class="">lustre-iokit-2.8.0-2.6.32_573.12.1.el6_lustre.x86_64.x86_64</span></div>
                                                    <div style="margin:
                                                      0px; font-size:
                                                      11px; line-height:
                                                      normal;
                                                      font-family:
                                                      Menlo;" class=""><span style="font-variant-ligatures:

no-common-ligatures" class="">kernel-2.6.32-573.12.1.el6_lustre.x86_64</span></div>
                                                    <div class=""><span style="font-variant-ligatures:

no-common-ligatures" class=""><span style="font-family: Menlo;
                                                          font-size:
                                                          11px;" class="">lustre-2.8.0-2.6.32_573.12.1.el6_lustre.x86_64.x86_64</span></span></div>
                                                    <div class=""><span style="font-variant-ligatures:

no-common-ligatures" class=""><br class="">
                                                      </span></div>
                                                    <div style="margin:
                                                      0px; font-size:
                                                      11px; line-height:
                                                      normal;
                                                      font-family:
                                                      Menlo;" class=""><span style="font-variant-ligatures:

no-common-ligatures" class="">[root@amaranth3 lustre]# rpm -qa |grep
                                                        e2fs</span></div>
                                                    <div style="margin:
                                                      0px; font-size:
                                                      11px; line-height:
                                                      normal;
                                                      font-family:
                                                      Menlo;" class=""><span style="font-variant-ligatures:

no-common-ligatures" class="">e2fsprogs-libs-1.42.13.wc5-7.el6.x86_64</span></div>
                                                    <div class=""><span style="font-variant-ligatures:

no-common-ligatures" class=""><span style="font-family: Menlo;
                                                          font-size:
                                                          11px;" class="">e2fsprogs-1.42.13.wc5-7.el6.x86_64</span></span></div>
                                                    <div class=""><span style="font-variant-ligatures:

no-common-ligatures" class=""><br class="">
                                                      </span></div>
                                                    <div style="margin:
                                                      0px; font-size:
                                                      11px; line-height:
                                                      normal;
                                                      font-family:
                                                      Menlo;" class=""><span style="font-variant-ligatures:

no-common-ligatures" class="">[root@amaranth3 lustre]# rpm -qa |grep
                                                        libss</span></div>
                                                    <div class=""><span style="font-variant-ligatures:

no-common-ligatures" class=""><span style="font-family: Menlo;
                                                          font-size:
                                                          11px;" class="">libss-1.42.13.wc5-7.el6.x86_64</span></span></div>
                                                    <div class=""><span style="font-variant-ligatures:

no-common-ligatures" class=""><br class="">
                                                      </span></div>
                                                    <div style="margin:
                                                      0px; font-size:
                                                      11px; line-height:
                                                      normal;
                                                      font-family:
                                                      Menlo;" class=""><span style="font-variant-ligatures:

no-common-ligatures" class="">root@amaranth3 lustre]# rpm -qa |grep
                                                        libcom</span></div>
                                                    <div style="margin:
                                                      0px; font-size:
                                                      11px; line-height:
                                                      normal;
                                                      font-family:
                                                      Menlo;" class=""><span style="font-variant-ligatures:

no-common-ligatures" class="">libcom_err-1.42.13.wc5-7.el6.x86_64</span></div>
                                                    <div class=""><span style="font-variant-ligatures:

no-common-ligatures" class=""><br class="">
                                                      </span></div>
                                                    <div class=""><span style="font-variant-ligatures:

no-common-ligatures" class=""><br class="">
                                                      </span></div>
                                                    <div style="margin:
                                                      0px; font-size:
                                                      11px; line-height:
                                                      normal;
                                                      font-family:
                                                      Menlo;" class=""><span style="font-variant-ligatures:

no-common-ligatures" class="">[root@amaranth3 lustre]# uname -a</span></div>
                                                    <div style="margin:
                                                      0px; font-size:
                                                      11px; line-height:
                                                      normal;
                                                      font-family:
                                                      Menlo;" class=""><span style="font-variant-ligatures:

no-common-ligatures" class="">Linux amaranth3
                                                        2.6.32-573.12.1.el6_lustre.x86_64
                                                        #1 SMP Tue Feb
                                                        23 22:41:09 PST
                                                        2016 x86_64
                                                        x86_64 x86_64
                                                        GNU/Linux</span></div>
                                                    <div style="margin:
                                                      0px; font-size:
                                                      11px; line-height:
                                                      normal;
                                                      font-family:
                                                      Menlo;" class=""><span style="font-variant-ligatures:

no-common-ligatures" class="">[root@amaranth3 lustre]# </span></div>
                                                    <div class=""><span style="font-variant-ligatures:

no-common-ligatures" class=""><br class="">
                                                      </span></div>
                                                    <div class=""><span style="font-variant-ligatures:

no-common-ligatures" class=""><br class="">
                                                      </span></div>
                                                    <div class=""><span style="font-variant-ligatures:

no-common-ligatures" class=""><br class="">
                                                      </span></div>
                                                    <div class=""><span style="font-variant-ligatures:

no-common-ligatures" class="">Thanks,</span></div>
                                                    <div class=""><span style="font-variant-ligatures:

no-common-ligatures" class="">Sangeetha </span></div>
                                                  </div>
                                                </div>
                                              </div>
                                            </div>
                                          </div>
                                        </div>
                                      </div>
                                    </div>
                                  </div>
                                </div>
                              </div>
                            </div>
                          </div>
                        </div>
                      </blockquote>
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                  <pre class="" wrap="">_______________________________________________
lustre-discuss mailing list
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</pre>
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              _______________________________________________<br class="">
              lustre-discuss mailing list<br class="">
              <a moz-do-not-send="true" href="mailto:lustre-discuss@lists.lustre.org" class="">lustre-discuss@lists.lustre.org</a><br class="">
<a class="moz-txt-link-freetext" href="http://lists.lustre.org/listinfo.cgi/lustre-discuss-lustre.org">http://lists.lustre.org/listinfo.cgi/lustre-discuss-lustre.org</a><br class="">
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