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<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>We have been working on same/similar “Device is held open by
someone” issue for some time now. Occurs on fairly regular basis upon manual
failover.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><b><span style='font-size:9.0pt;color:#1F497D'>[root@jamaica-a
logs]# tail -f /var/log/messages<o:p></o:p></span></b></p>
<p class=MsoNormal><b><span style='font-size:9.0pt;color:#1F497D'>Feb 8
04:59:35 jamaica-a kernel: ide: failed opcode was: unknown<o:p></o:p></span></b></p>
<p class=MsoNormal><b><span style='font-size:9.0pt;color:#1F497D;background:
yellow;mso-highlight:yellow'>Feb 8 04:59:35 jamaica-a kernel: drbd0:
State change failed: Device is held open by someone</span></b><b><span
style='font-size:9.0pt;color:#1F497D'><o:p></o:p></span></b></p>
<p class=MsoNormal><b><span style='font-size:9.0pt;color:#1F497D'>Feb 8
04:59:35 jamaica-a kernel: drbd0: state = { cs:Connected
st:Primary/Secondary ds:UpToDate/UpToDate r--- }<o:p></o:p></span></b></p>
<p class=MsoNormal><b><span style='font-size:9.0pt;color:#1F497D'>Feb 8
04:59:35 jamaica-a kernel: drbd0: wanted = { cs:Connected
st:Secondary/Secondary ds:UpToDate/UpToDate r--- }<o:p></o:p></span></b></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Dan Phillips<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'>
<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>
drbd-user-bounces@lists.linbit.com [mailto:drbd-user-bounces@lists.linbit.com] <b>On
Behalf Of </b>Felipe Gutierrez<br>
<b>Sent:</b> Tuesday, February 26, 2013 7:50 AM<br>
<b>To:</b> Prater, James K.<br>
<b>Cc:</b> drbd-user@lists.linbit.com<br>
<b>Subject:</b> Re: [DRBD-user] Device is held open by someone<o:p></o:p></span></p>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal style='margin-bottom:12.0pt'>Like this:<br>
<br>
# cat /etc/drbd.d/r7.res <br>
resource r7 {<br>
on cloud15 {<br>
device /dev/drbd7;<br>
disk /dev/vg_7/lv_7;<br>
address <a href="http://192.168.188.15:7789">192.168.188.15:7789</a>;<br>
meta-disk internal;<br>
}<br>
on cloud16 {<br>
device /dev/drbd7;<br>
disk /dev/vg_7/lv_7;<br>
address <a href="http://192.168.188.16:7789">192.168.188.16:7789</a>;<br>
meta-disk internal;<br>
}<br>
}<o:p></o:p></p>
<div>
<p class=MsoNormal>On Tue, Feb 26, 2013 at 9:49 AM, Prater, James K. <<a
href="mailto:jprater@draper.com" target="_blank">jprater@draper.com</a>>
wrote:<o:p></o:p></p>
<div>
<div>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>How
are the drbd volume(s) used?</span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>James</span><o:p></o:p></p>
<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> <a
href="mailto:drbd-user-bounces@lists.linbit.com" target="_blank">drbd-user-bounces@lists.linbit.com</a>
[mailto:<a href="mailto:drbd-user-bounces@lists.linbit.com" target="_blank">drbd-user-bounces@lists.linbit.com</a>]
<b>On Behalf Of </b>Felipe Gutierrez<br>
<b>Sent:</b> Tuesday, February 26, 2013 7:05 AM<br>
<b>To:</b> <a href="mailto:drbd-user@lists.linbit.com" target="_blank">drbd-user@lists.linbit.com</a><br>
<b>Subject:</b> [DRBD-user] Device is held open by someone</span><o:p></o:p></p>
</div>
<div>
<div>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Hi
everyone,<br>
<br>
I am trying to do a failover system only with drbd. When my primary node get
out of the network, the secondary node became primary and I mount the
filesystem.<br>
secondary# drbdadm primary r7<br>
secondary# mount /dev/drbd7 /mnt/drbd7/<br>
<br>
Until that every thing is ok.<br>
At this time, my old primary node has to became the secondary and I have to
discard my changes.<br>
primary# umount -l /mnt/drbd7<br>
primary# drbdadm secondary r7<br>
7: State change failed: (-12) Device is held open by someone<br>
Command 'drbdsetup 7 secondary' terminated with exit code 11<br>
primary# drbdadm -- --discard-my-data connect r7<br>
<br>
Does anyone have a hint?<br>
Thnaks in advance!<br>
Felipe<br clear=all>
<br>
-- <br>
<b>--<br>
-- Felipe Oliveira Gutierrez<br>
-- <a href="mailto:Felipe.o.Gutierrez@gmail.com" target="_blank">Felipe.o.Gutierrez@gmail.com</a><br>
-- <a href="https://sites.google.com/site/lipe82/Home/diaadia" target="_blank">https://sites.google.com/site/lipe82/Home/diaadia</a></b>
<o:p></o:p></p>
</div>
</div>
</div>
</div>
</div>
<p class=MsoNormal><br>
<br clear=all>
<br>
-- <br>
<b>--<br>
-- Felipe Oliveira Gutierrez<br>
-- <a href="mailto:Felipe.o.Gutierrez@gmail.com" target="_blank">Felipe.o.Gutierrez@gmail.com</a><br>
-- <a href="https://sites.google.com/site/lipe82/Home/diaadia" target="_blank">https://sites.google.com/site/lipe82/Home/diaadia</a></b>
<o:p></o:p></p>
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