<div dir="ltr"><div>Hello!<br><br></div>What kind of storage domains do you have?<br></div><div class="gmail_extra"><br><div class="gmail_quote">On Fri, Oct 31, 2014 at 1:02 PM, Markus Stockhausen <span dir="ltr"><<a href="mailto:stockhausen@collogia.de" target="_blank">stockhausen@collogia.de</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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<div style="direction:ltr;font-family:Tahoma;color:#000000;font-size:10pt">Hi,
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<div>maybe a stupid one. Just want to make sure that nothing goes wrong. We </div>
<div>plan to make a rolling <span style="font-size:10pt">upgrade of our </span><span style="font-size:10pt">landscape going to 3.5.1 in december. </span></div>
<div><span style="font-size:10pt">S</span><span style="font-size:10pt">o we always need </span><span style="font-size:10pt">some hypervisor nodes up and running during the </span></div>
<div><span style="font-size:10pt">process. </span></div>
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<div>Looking at older posts I assume that upgrading the engine should be</div>
<div>sufficient, while hypervisor nodes with vdsm 4.14.17 (from 3.4 repos) and</div>
<div>the active VMs <span style="font-size:10pt">keep on running. The start of the engine after the upgrade</span></div>
<div><span style="font-size:10pt">should catch up and </span><span style="font-size:10pt">resync all </span><span style="font-size:10pt">states.</span></div>
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<div>Afterwards I clean hypervisor hosts one by one and clean/reinstall it into </div>
<div>the <span style="font-size:10pt">cluster?</span></div>
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<div>Thanks in advance.</div><span class="HOEnZb"><font color="#888888">
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<div>Markus</div>
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