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<p>Hi list,</p>
<p>I have a number of stacked resources replicating from 2 hosts to
a common third host. There are three resources 'stuck' waiting
for a connection with a state "Inconsistent". I have tried
discarding the data on this third node and reconnecting with <b>drbdadm
connect --discard-my-data</b> but I'm not having any luck.</p>
<p>I even (lv)removed the backing device, (lv)created a new volume,
said yes to remove the existing drbd meta-data:</p>
<p><tt><a class="moz-txt-link-abbreviated" href="mailto:root@trk-kvm-03:/etc/drbd.d#">root@trk-kvm-03:/etc/drbd.d#</a> lvcreate -L 300G -n winserv-data
trk-kvm-03-vg </tt><tt><br>
</tt><tt>WARNING: drbd signature detected on
/dev/trk-kvm-03-vg/winserv-data at offset 322122543164. Wipe it?
[y/n]: yes</tt><tt><br>
</tt><tt>Â Wiping drbd signature on
/dev/trk-kvm-03-vg/winserv-data.</tt><tt><br>
</tt><tt>Â Logical volume "winserv-data" created.</tt><br>
</p>
<p>and ran drbdadm create-md to create new meta-data.</p>
<p><tt><a class="moz-txt-link-abbreviated" href="mailto:root@trk-kvm-03:/etc/drbd.d#">root@trk-kvm-03:/etc/drbd.d#</a> drbdadm create-md
fileserver-data-U </tt><br>
<tt>md_offset 322122543104</tt><br>
<tt>al_offset 322122510336</tt><br>
<tt>bm_offset 322112679936</tt><br>
<br>
<tt>Found some data</tt><br>
<br>
<tt>Â ==> This might destroy existing data! <==</tt><br>
<br>
<tt>Do you want to proceed?</tt><br>
<tt>[need to type 'yes' to confirm] yes</tt><br>
<br>
<tt>initializing activity log</tt><br>
<tt>NOT initializing bitmap</tt><br>
<tt>Writing meta data...</tt><br>
<tt>New drbd meta data block successfully created.</tt><br>
<tt>success</tt><br>
</p>
<p>I have 12 resources being replicated to this host and I am seeing
this on three of them.</p>
<tt>root@trk-kvm-03:~# drbdadm connect --discard-my-data
fileserver-data-U</tt>
<p><tt><a class="moz-txt-link-abbreviated" href="mailto:root@trk-kvm-03:/etc/drbd.d#">root@trk-kvm-03:/etc/drbd.d#</a> drbd-overview <br>
 20:fileserver-data-U/0   WFConnection Secondary/Unknown
Inconsistent/DUnknown <br>
 30:svn-U/0               Connected   Secondary/Primary
UpToDate/UpToDate    <br>
 40:MySQL-Slave-R-U/0     Connected   Secondary/Primary
UpToDate/UpToDate    <br>
 60:rt44-U/0              Connected   Secondary/Primary
UpToDate/UpToDate    <br>
 70:sharepoint_server-U/0 Connected   Secondary/Primary
UpToDate/UpToDate    <br>
 80:techwiki-U/0          Connected   Secondary/Primary
UpToDate/UpToDate    <br>
 90:sdkHelp-U/0           WFConnection Secondary/Unknown
UpToDate/DUnknown    <br>
100:sql-srv-2014-U/0      Connected   Secondary/Primary
UpToDate/UpToDate    <br>
101:fileserver-U/0        Connected   Secondary/Primary
UpToDate/UpToDate    <br>
110:informer-U/0          Connected   Secondary/Primary
UpToDate/UpToDate    <br>
120:convirt-U/0           Connected   Secondary/Primary
UpToDate/UpToDate    <br>
130:user_uploads-U/0Â Â Â Â Â Â WFConnection Secondary/Unknown
UpToDate/DUnknown</tt><br>
</p>
<p>This third node, connected using protocol A, is intended for
disaster recovery only so none of these resources should ever have
been the primary so I am leaning away from a split-brain however
the symptoms appear to me to be like a split brain. I'm not
seeing anything related to split-brain in the logs. <br>
</p>
<p>The resources are UpToDate on the primaries:</p>
<p><tt><a class="moz-txt-link-abbreviated" href="mailto:root@trk-kvm-01:/etc/drbd.d#">root@trk-kvm-01:/etc/drbd.d#</a> drbd-overview </tt><tt><br>
</tt><tt> 1:fileserver/0              Connected  Â
Primary/Secondary UpToDate/UpToDate *fileserver       vda
virtio </tt><tt><br>
</tt><tt> 2:fileserver-data/0         Connected  Â
Primary/Secondary UpToDate/UpToDate *fileserver       vdb
virtio </tt><tt><br>
</tt><tt> 3:svn/0                     Connected  Â
Secondary/Primary UpToDate/UpToDate _svn              vda
virtio </tt><tt><br>
</tt><tt> 4:MySQL-Slave-R/0           Connected  Â
Secondary/Primary UpToDate/UpToDate _MySQL-Slave-RÂ Â Â Â vda
virtio </tt><tt><br>
</tt><tt> 5:prtg-srv/0                Connected  Â
Secondary/Primary UpToDate/UpToDate _prtg-srv         vdb
virtio </tt><tt><br>
</tt><tt> 6:rt44/0                    Connected  Â
Primary/Secondary UpToDate/UpToDate *RT44Â Â Â Â Â Â Â Â Â Â Â Â Â vda
virtio </tt><tt><br>
</tt><tt> 7:sharepoint_server/0       Connected  Â
Primary/Secondary UpToDate/UpToDate *sharepoint_server hda
ide   </tt><tt><br>
</tt><tt> 8:techwiki/0                Connected  Â
Secondary/Primary UpToDate/UpToDate _techwiki         vda
virtio </tt><tt><br>
</tt><tt> 9:sdkHelp/0                 Connected  Â
Secondary/Primary UpToDate/UpToDate _sdkHelp          vda
virtio </tt><tt><br>
</tt><tt> 10:sql-srv-2014/0            Connected  Â
Primary/Secondary UpToDate/UpToDate *sql-srv-2014Â Â Â Â Â vda
virtio </tt><tt><br>
</tt><tt> 11:informer/0                Connected  Â
Secondary/Primary UpToDate/UpToDate _informer         vda
virtio </tt><tt><br>
</tt><tt> 12:convirt/0                 Connected  Â
Primary/Secondary UpToDate/UpToDate _convirt          vda
virtio </tt><tt><br>
</tt><tt> 13:user_uploads/0            Connected  Â
Secondary/Primary UpToDate/UpToDate _user_uploads     vda
virtio </tt><tt><br>
</tt><tt>Â 20:fileserver-data-U/0Â Â ^^2Â WFConnection
Primary/Unknown  UpToDate/DUnknown </tt><tt><br>
</tt><tt> 60:rt44-U/0             ^^6 Connected  Â
Primary/Secondary UpToDate/UpToDate </tt><tt><br>
</tt><tt> 70:sharepoint_server-U/0 ^^7 Connected  Â
Primary/Secondary UpToDate/UpToDate </tt><tt><br>
</tt><tt>100:sql-srv-2014-U/0     ^^10 Connected  Â
Primary/Secondary UpToDate/UpToDate </tt><tt><br>
</tt><tt>101:fileserver-U/0       ^^1 Connected  Â
Primary/Secondary UpToDate/UpToDate </tt><tt><br>
</tt><tt>120:convirt-U/0          ^^12 Connected  Â
Primary/Secondary UpToDate/UpToDate <br>
</tt></p>
<p><tt>root@trk-kvm-02:~/qemu# drbd-overview <br>
 1:fileserver/0            Connected   Secondary/Primary
UpToDate/UpToDate _fileserver       vda virtio <br>
 2:fileserver-data/0       Connected   Secondary/Primary
UpToDate/UpToDate _fileserver       vdb virtio <br>
 3:svn/0                   Connected   Primary/Secondary
UpToDate/UpToDate *svn              vda virtio <br>
 4:MySQL-Slave-R/0         Connected   Primary/Secondary
UpToDate/UpToDate *MySQL-Slave-RÂ Â Â Â vda virtio <br>
 5:prtg-srv/0              Connected   Primary/Secondary
UpToDate/UpToDate <br>
 6:rt44/0                  Connected   Secondary/Primary
UpToDate/UpToDate _RT44Â Â Â Â Â Â Â Â Â Â Â Â Â vda virtio <br>
 7:sharepoint_server/0     Connected   Secondary/Primary
UpToDate/UpToDate _sharepoint_server hda ide   <br>
 8:techwiki/0              Connected   Primary/Secondary
UpToDate/UpToDate *techwiki         vda virtio <br>
 9:sdkHelp/0               Connected   Primary/Secondary
UpToDate/UpToDate *sdkHelp          vda virtio <br>
 10:sql-srv-2014/0          Connected   Secondary/Primary
UpToDate/UpToDate _sql-srv-2014Â Â Â Â Â vda virtio <br>
 11:informer/0              Connected   Primary/Secondary
UpToDate/UpToDate *informer         vda virtio <br>
 12:convirt/0               Connected   Secondary/Primary
UpToDate/UpToDate _convirt          vda virtio <br>
 13:user_uploads/0          Connected   Primary/Secondary
UpToDate/UpToDate *user_uploads     vda virtio <br>
 30:svn-U/0            ^^3 Connected   Primary/Secondary
UpToDate/UpToDate <br>
 40:MySQL-Slave-R-U/0  ^^4 Connected   Primary/Secondary
UpToDate/UpToDate <br>
 80:techwiki-U/0       ^^8 Connected   Primary/Secondary
UpToDate/UpToDate <br>
 90:sdkHelp-U/0        ^^9 WFConnection Primary/Unknown Â
UpToDate/DUnknown <br>
110:informer-U/0       ^^11 Connected   Primary/Secondary
UpToDate/UpToDate <br>
130:user_uploads-U/0   ^^13 WFConnection Primary/Unknown Â
UpToDate/DUnknown<br>
</tt></p>
I am keen to get these three resources replicating. Any
suggestions what I'm missing?<br>
<br>
regards
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<p><b>Paul O'Rorke</b><br>
<b>Tracker Software Products (Canada) Limited </b><br>
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