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Sorry to ask again, But I can see from the link below the that nodes and en=
gines should work between minor number
upgrades. But is ovirt 4.2.x backward compatible with, say, 3.6 nodes. Does=
anyone know ? Is this documented anywhere ?
[ovirt-users] compatibility relationship between datacenter, ovirt and clus=
ter
https://www.mail-archive.com/users@ovirt.org/msg17092.html
Thanks,
Joe.
________________________________
From: Joseph Kelly
Sent: Wednesday, March 14, 2018 5:32 PM
To: users(a)ovirt.org
Subject: Query about running ovirt-4.2.1 engine support 3.x nodes ?
Hello All,
I have two hopefully easy questions regarding an ovirt-4.2.1 engine support=
and 3.x nodes ?
1) Does an ovirt-4.2.x engine support 3.x nodes ? As This page states:
"The cluster compatibility is set according to the version of the least cap=
able host operating system in the cluster."
https://www.ovirt.org/documentation/upgrade-guide/chap-Post-Upgrade_Tasks/
Which seems to indicate that you can run say a 4.2.1 engine with lower vers=
ion nodes, but is that correct ?
2) And can you just upgrade the nodes directly from 3.x to 4.2.x as per the=
se steps ?
1. Move the node to maintenance
2. Add 4.2.x repos
3. yum update
4. reboot
5. Activate (exit maintenance)
I've looked in the release notes but wasn't able to find much detail on ovi=
rt-nodes upgrades.
Thanks,
Joe.
--
J. Kelly
Infrastructure Engineer
TradingScreen
www.tradingscreen.com<http://www.tradingscreen.com/>
Follow TradingScreen on Twitter<http://twitter.com/#%21/TradingScreen>;, Fac=
ebook<http://www.facebook.com/pages/TradingScreen/214046251945650>;, or our =
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<p style=3D"margin-top:0;margin-bottom:0">Sorry to ask again,
But I ca=
n see from the link below the that nodes and engines should work between mi=
nor number </p>
<p style=3D"margin-top:0;margin-bottom:0">upgrades. But is ovirt 4.2.x
back=
ward compatible with, say, 3.6 nodes. Does anyone know ? Is this docum=
ented anywhere ? </p>
<p style=3D"margin-top:0;margin-bottom:0"><br>
</p>
<p style=3D"margin-top:0;margin-bottom:0"><span>[ovirt-users]
compatibility=
relationship between datacenter, ovirt and cluster</span><br>
</p>
<a href=3D"https://www.mail-archive.com/users@ovirt.org/msg17092.html&q... clas=
s=3D"OWAAutoLink">https://www.mail-archive.com/users@ovirt.o...
l</a>
<div><br>
</div>
Thanks,
<div>Joe.<br>
<br>
<div style=3D"color: rgb(0, 0, 0);">
<hr style=3D"display:inline-block;width:98%" tabindex=3D"-1">
<div id=3D"divRplyFwdMsg" dir=3D"ltr"><font
face=3D"Calibri, sans-serif" st=
yle=3D"font-size:11pt" color=3D"#000000"><b>From:</b>
Joseph Kelly<br>
<b>Sent:</b> Wednesday, March 14, 2018 5:32 PM<br>
<b>To:</b> users(a)ovirt.org<br>
<b>Subject:</b> Query about running ovirt-4.2.1 engine support 3.x nodes ? =
</font>
<div> </div>
</div>
<div dir=3D"ltr">
<div id=3D"x_divtagdefaultwrapper" dir=3D"ltr"
style=3D"font-size:10pt; col=
or:#000000; font-family:Verdana,Geneva,sans-serif">
<p style=3D"margin-top:0; margin-bottom:0">Hello All,</p>
<p style=3D"margin-top:0; margin-bottom:0"><br>
</p>
<p style=3D"margin-top:0; margin-bottom:0">I have two hopefully easy
questi=
ons regarding an <span>ovirt-4.2.1 engine support and 3.x nodes
?=
</span></p>
<p style=3D"margin-top:0; margin-bottom:0"><br>
</p>
<p style=3D"margin-top:0; margin-bottom:0">1) Does
an <span>ovirt-4.2.=
x engine support 3.x nodes ? As This page states:</span></p>
<p style=3D"margin-top:0; margin-bottom:0"><br>
</p>
<p style=3D"margin-top:0; margin-bottom:0"><span>"The
cluster compatib=
ility is set according to the version of the least capable host operating s=
ystem in the cluster."</span><br>
</p>
<p style=3D"margin-top:0; margin-bottom:0"><br>
</p>
<p style=3D"margin-top:0; margin-bottom:0"><a
href=3D"https://www.ovirt.org=
/documentation/upgrade-guide/chap-Post-Upgrade_Tasks/" class=3D"x_OWAAutoLi=
nk">https://www.ovirt.org/documentation/upgrade-guide/chap-Post-U...
ks/</a><br>
</p>
<p style=3D"margin-top:0; margin-bottom:0"><br>
</p>
<p style=3D"margin-top:0; margin-bottom:0"><span
style=3D"font-size:10pt">W=
hich seems to indicate that you can run say a 4.2.1 engine with lower =
version nodes, but is that correct ?</span></p>
<p style=3D"margin-top:0; margin-bottom:0"><span
style=3D"font-size:10pt"><=
br>
</span></p>
<p style=3D"margin-top:0; margin-bottom:0"><span
style=3D"font-size:10pt">2=
) And can you just upgrade the nodes directly from 3.x to 4.2.x as per thes=
e steps ?</span></p>
<p style=3D"margin-top:0; margin-bottom:0"><span
style=3D"font-size:10pt"><=
br>
</span></p>
<p style=3D"margin-top:0; margin-bottom:0"><span
style=3D"font-size:10pt"><=
/span></p>
<div>1. Move the node to maintenance<br>
2. Add 4.2.x repos<br>
3. yum update<br>
4. reboot<br>
5. Activate (exit maintenance)</div>
<br>
<p></p>
<p style=3D"margin-top:0; margin-bottom:0"><span
style=3D"font-size:10pt">I=
've looked in the release notes but wasn't able to find much detail on=
ovirt-nodes upgrades.</span></p>
<p style=3D"margin-top:0; margin-bottom:0"><span
style=3D"font-size:10pt"><=
br>
</span></p>
<p style=3D"margin-top:0; margin-bottom:0"><span
style=3D"font-size:10pt">T=
hanks,</span></p>
<p style=3D"margin-top:0; margin-bottom:0"><span
style=3D"font-size:10pt">J=
oe.</span></p>
<p style=3D"margin-top:0; margin-bottom:0"><span
style=3D"font-size:10pt"><=
br>
</span></p>
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<div>-- <br>
<span style=3D"font-size:12pt; color:#000000; font-style:Arial,sans-serif; =
font-weight:bold">J. Kelly</span><br>
<span style=3D"font-size:10pt; color:#000000;
font-style:Arial,sans-serif">=
Infrastructure Engineer</span><br>
<span style=3D"font-size:12pt; color:#808080; font-style:Arial,sans-serif; =
font-weight:bold">TradingScreen</span><br>
<span style=3D"font-size:10pt; color:#808080;
font-style:Arial,sans-serif">=
<a href=3D"http://www.tradingscreen.com/"
id=3D"LPNoLP">www.tradingscreen.c=
om</a></span><br>
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