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<div class="moz-cite-prefix">On 25/02/16 23:10, Eric Robinson wrote:<br>
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<p class="MsoNormal"><span style="color:#1F497D">> The usual
problem with LVM on top of DRBD is that the
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">> backing
device gets seen as an LVM PV and is grabbed by
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">> LVM before
DRBD starts up. That means DRBD cannot access
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">> it since
it's already in use. Solution: adjust the filter
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">> lines in
lvm.conf to exclude the backing devices from
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">> LVM
consideration.</span><br>
<br>
<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">You
mean /dev/drbd0 and /dev/drbd1?</span></p>
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</blockquote>
Those are not the backing devices. Backing devices are the ones
named on the "disk " lines in your DRBD resource files - for example
"disk /dev/vg/lv1". So you need to exclude /dev/vg/lv1 (in that
example) from being looked at by LVM by filtering it out.<br>
<br>
Trevor<br>
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