<p dir="ltr"></p>
<p dir="ltr">-Atin<br>
Sent from one plus one<br>
On 29-Mar-2016 10:21 pm, &quot;Russell Purinton&quot; &lt;<a href="mailto:russell.purinton@gmail.com">russell.purinton@gmail.com</a>&gt; wrote:<br>
&gt;<br>
&gt; I have several existing volumes configured in the following way:<br>
&gt;<br>
&gt; Volume Name: sonic001<br>
&gt; Type: Distributed-Replicate<br>
&gt; Volume ID: 362eb3a8-c211-4f35-bcd3-87785c51f15c<br>
&gt; Status: Started<br>
&gt; Number of Bricks: 4 x 2 = 8<br>
&gt; Transport-type: tcp<br>
&gt; Bricks:<br>
&gt; Brick1: xs141:/brick1/sonic001p0r0<br>
&gt; Brick2: xs138:/brick1/sonic001p0r1<br>
&gt; Brick3: xs139:/brick1/sonic001p1r0<br>
&gt; Brick4: xs140:/brick1/sonic001p1r1<br>
&gt; Brick5: xs141:/brick0/sonic001p2r0<br>
&gt; Brick6: xs138:/brick0/sonic001p2r1<br>
&gt; Brick7: xs139:/brick0/sonic001p4r0<br>
&gt; Brick8: xs140:/brick0/sonic001p3r1<br>
&gt;<br>
&gt; I recently learned that replica 2 can’t be considered HA because of the split brain scenario that would occur if a network partition occurred.   I also recently learned that using replica 3 arbiter 1 was a way to solve this problem without consuming additional space.<br>
&gt;<br>
&gt; Is there a way I can change this existing volume to be replica 3 arbiter 1, or do I need to create new volumes and rsync the data?<br></p>
<p dir="ltr">I think you should be able to convert the volume topology using add-brick command.</p>
<p dir="ltr">&gt;<br>
&gt; Thanks,<br>
&gt;<br>
&gt; Russ<br>
&gt;<br>
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<p dir="ltr">-Atin<br>
Sent from one plus one</p>