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<p class="MsoNormal"><span lang="EN-US">Hi guys,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">First of all: I’m really impressed with DRBD9, so good job!<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">My problem: drbdmanage completely breaks when one of the two nodes is down. Drbdadm commands still work perfectly fine (and I can still mount the LVs hosted on the online node).<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">My setup is quite simple: two Ubuntu 16.04 nodes using DRBD9, using drbdmanage (0.99.2. From the Linbit PPA.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">After shutting down node bravo:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">root@alpha:~# drbdmanage nodes<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Waiting for server: ...............<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">No nodes defined<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">root@alpha:~# drbdmanage ping<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">pong<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">root@alpha:~# drbdadm status<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">.drbdctrl role:Secondary<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> volume:0 disk:UpToDate<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> volume:1 disk:UpToDate<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> bravo connection:Connecting<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">volume1 role:Secondary<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> disk:UpToDate<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> bravo connection:Connecting<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">volume2 role:Secondary<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> disk:UpToDate<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> bravo connection:Connecting<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">I have not made .drbdctrl primary as Robert said here:
<a href="http://lists.linbit.com/pipermail/drbd-user/2016-June/023002.html">http://lists.linbit.com/pipermail/drbd-user/2016-June/023002.html</a>.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">After starting the bravo node again:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">root@alpha:~# drbdadm status<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">.drbdctrl role:Secondary<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> volume:0 disk:UpToDate<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> volume:1 disk:UpToDate<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> bravo role:Secondary<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> volume:0 peer-disk:UpToDate<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> volume:1 peer-disk:UpToDate<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">volume1 role:Secondary<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> disk:UpToDate<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> bravo role:Secondary<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> peer-disk:UpToDate<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">volume2 role:Secondary<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> disk:UpToDate<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> bravo role:Secondary<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> peer-disk:UpToDate<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">root@alpha:~# drbdmanage nodes<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Waiting for server: .<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">+------------------------------------------------------------------------------------------------------------+<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">| Name | Pool Size | Pool Free | | State |<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">|------------------------------------------------------------------------------------------------------------|<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">| alpha | 51196 | 49132 | | ok |<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">| bravo | 51196 | 49132 | | ok |<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">+------------------------------------------------------------------------------------------------------------+<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">TLDR: drbdmanage completely breaks while drbdadm commands still work (including mounting LVs) when one of the two nodes is down.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Is there anyone who can point me in the right direction?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black;mso-fareast-language:NL">Kind regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black;mso-fareast-language:NL">Gerwim Feiken</span><span lang="EN-US" style="mso-fareast-language:NL"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black;mso-fareast-language:NL"> </span><span lang="EN-US" style="mso-fareast-language:NL"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:NL"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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