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    <p>Hi Oleksiy ,</p>
    <p>i want to ask you :<br>
    </p>
    <p>are you using DRBD together with Software or Firmware Raid ?</p>
    <p>Can you give me an lsblk output ?<br>
    </p>
    <p>BR</p>
    <p>Evans<br>
    </p>
    <div class="moz-cite-prefix">On 8/14/18 11:02 AM, Yannis Milios
      wrote:<br>
    </div>
    <blockquote type="cite"
cite="mid:CAFiF2Ooy5Dv_8N1vN1Q8mP6ODSddJxcQHozprMi9FEf+0opFww@mail.gmail.com">
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        <div dir="auto">Does this happen on both nodes? What’s the
          status of the backing device (lvm) ? Can you post the exact
          versions for both kernel module and utils? Any clue in the
          logs?</div>
      </div>
      <div><br>
        <div class="gmail_quote">
          <div dir="ltr">On Tue, 14 Aug 2018 at 06:57, Oleksiy Evin &lt;<a
              href="mailto:o.evin@onefc.com" moz-do-not-send="true">o.evin@onefc.com</a>&gt;
            wrote:<br>
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          <blockquote class="gmail_quote" style="margin:0 0 0
            .8ex;border-left:1px #ccc solid;padding-left:1ex">
            <div>
              <div>Hi,</div>
              <div><br>
              </div>
              <div>We have DRBD 8.4 over LVM volume setup on CentOS7. </div>
              <div><br>
              </div>
              <div>After a forcibly rebooted both nodes we've got DRBD
                resources in a Diskless state and unable to attach any
                of it or make it primary.</div>
              <div><br>
              </div>
              <div># drbd-overview</div>
              <div>0:master-drbd/0  Connected Secondary/Secondary
                Diskless/Diskless </div>
              <div><br>
              </div>
              <div># drbdadm attach all</div>
              <div>extent 19136522 beyond end of bitmap!</div>
              <div>extent 19143798 beyond end of bitmap!</div>
              <div>extent 19151565 beyond end of bitmap!</div>
              <div><br>
              </div>
              <div>../shared/drbdmeta.c:2279:apply_al: ASSERT(bm_pos -
                bm_on_disk_pos &lt;= chunk - extents_size) failed.</div>
              <div><br>
              </div>
              <div>I've tried to invalidate or connect discarding the
                data (drbdadm connect --discard-my-data all), nothing
                helped. </div>
              <div><br>
              </div>
              <div>I suppose that this is some corruption happened with
                activity log. Is there any way to resolve/discard the
                latest changes to make the resource up to date?</div>
              <div> </div>
              <div>Regards,</div>
              <div>Oleksiy Evin</div>
            </div>
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          </blockquote>
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      -- <br>
      <div dir="ltr" class="gmail_signature"
        data-smartmail="gmail_signature">Sent from Gmail Mobile</div>
      <br>
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