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<p>What does node-id do? I have never used it and it's not listed
in "Configuring your resource" <a moz-do-not-send="true"
href="https://docs.linbit.com/docs/users-guide-8.4/#s-configure-resource">https://docs.linbit.com/docs/users-guide-8.4/#s-configure-resource</a></p>
<p>My set up looks more like the example here: <br>
</p>
<pre>resource r0 {
on alice {
device /dev/drbd1;
disk /dev/sda7;
address 10.1.1.31:7789;
meta-disk internal;
}
on bob {
device /dev/drbd1;
disk /dev/sda7;
address 10.1.1.32:7789;
meta-disk internal;
}
}</pre>
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<title></title>
<p>Is it a drbd 9.0.x / Linstore thing? I'm using 8.9.6<br>
</p>
<p><b>Paul O'Rorke</b><br>
<b>Tracker Software Products (Canada) Limited </b><br>
<a href="http://www.tracker-software.com/">www.tracker-software.com</a><br>
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<p><br>
<br>
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<p style="margin-bottom: 0cm; line-height: 100%"><br>
</p>
</div>
<div class="moz-cite-prefix">On 2019-01-17 1:19 a.m., Roland
Kammerer wrote:<br>
</div>
<blockquote type="cite"
cite="mid:20190117091955.lsy7o2ympofvzskl@rck.sh">
<pre class="moz-quote-pre" wrap="">On Wed, Jan 16, 2019 at 09:47:05AM -0500, Shawn Southern wrote:
</pre>
<blockquote type="cite">
<pre class="moz-quote-pre" wrap="">I'm very new to DRBD, so please bear with me if my terminology is wrong (or
if I've completely done everything wrong, please let me know!). I've not
had much luck with finding this scenario in the documentation.
Initially, I only had a single system I could configure. The other
identical system was running Hyper-V, so I had to get a system up with
CentOS, KVM & DRBD then migrate the workloads, then reformat the Hyper-V
box as CentOS, KVM & DRBD).
System 1 (vmh1) is 10.13.119.15, System 2 (vmh2) that I have to add is
10.13.119.16. I've got the workload migrated to 'vmh1' and 'vmh2' is now
reinstalled with CentOS, KVM & DRBD. What I need to know is how do I
safely add the sdb & sdc in vmh2 to the existing single node DRBD so that
it safely replicates the data and I don't lose my workload?
</pre>
</blockquote>
<pre class="moz-quote-pre" wrap="">
On both sides you change the res file like this:
</pre>
<blockquote type="cite">
<pre class="moz-quote-pre" wrap="">
in /etc/drdb.d I have:
file global_common.conf:
global {
usage-count no;
}
common {
net {
protocol C;
}
}
file drbd0.res:
resource drbd0 {
device /dev/drbd0;
meta-disk internal;
net {
cram-hmac-alg sha256;
shared-secret "ThisIsSecret1";
}
on vmh1 {
node-id 1;
address 10.13.119.15:7789;
disk /dev/sdb;
}
</pre>
</blockquote>
<pre class="moz-quote-pre" wrap="">
^^ you add a "on vmh2" section with a different node-id;
^^ you add a "connection-mesh" section naming both nodes.
</pre>
<blockquote type="cite">
<pre class="moz-quote-pre" wrap="">}
</pre>
</blockquote>
<pre class="moz-quote-pre" wrap="">
Then you:
- "drbdadm create-md" meta data on the second host
- "drbdadm adjust" on both.
Regards, rck
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</pre>
</blockquote>
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