From Joseph.Kelly at tradingscreen.com Wed Mar 14 08:47:07 2018 Content-Type: multipart/mixed; boundary="===============3297773041580884460==" MIME-Version: 1.0 From: Joseph Kelly To: users at ovirt.org Subject: [ovirt-users] Query about running ovirt-4.2.1 engine support 3.x nodes ? Date: Wed, 14 Mar 2018 08:32:55 +0000 Message-ID: --===============3297773041580884460== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable --_000_DM5PR1601MB1307870A4A315F7E754AD0F688D10DM5PR1601MB1307_ Content-Type: text/plain; charset=3D"iso-8859-1" Content-Transfer-Encoding: quoted-printable Hello All, I have two hopefully easy questions regarding an ovirt-4.2.1 engine support= =3D 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= =3D 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= =3D 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= =3D 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= =3D rt-nodes upgrades. Thanks, Joe. -- J. Kelly Infrastructure Engineer TradingScreen www.tradingscreen.com Follow TradingScreen on Twitter, Fac= =3D ebook, or our = =3D blog, Trading Smarter This message is intended only for the recipient(s) named above and may cont= =3D ain confidential information. If you are not an intended recipient, you sho= =3D uld not review, distribute or copy this message. Please notify the sender i= =3D mmediately by e-mail if you have received this message in error and delete = =3D it from your system. --_000_DM5PR1601MB1307870A4A315F7E754AD0F688D10DM5PR1601MB1307_ Content-Type: text/html; charset=3D"iso-8859-1" Content-Transfer-Encoding: quoted-printable

Hello All,


I have two hopefully easy quest= io=3D ns regarding an ovirt-4.2.1 engine support and 3.x nodes ?&= =3D nbsp;


1) Does an ovirt-4.2= .x=3D engine support 3.x nodes ? As This page states:


"The cluster compati= bi=3D lity is set according to the version of the least capable host operating sy= =3D stem in the cluster."


https://www.ovirt.org/documentation/upgrade-guide/chap-Post-Upgrade_Tasks/= =3D


=3D Which seems to indicate that you can run say a 4.2.1 engine with lower= =3D version nodes, but is that correct ?

=3D

=3D 2) And can you just upgrade the nodes directly from 3.x to 4.2.x as per the= =3D se steps ?

=3D

=3D

1. Move the node to maintenance
2. Add 4.2.x repos
3. yum update
4. reboot
5. Activate (exit maintenance)

=3D I've looked in the release notes but wasn't able to find much detail o= =3D n ovirt-nodes upgrades.

=3D

=3D Thanks,

=3D Joe.

=3D

--
J. Kelly
TradingScreen
www.tradingscre= en.c=3D om
F=3D ollow TradingScreen on Twitter= =3D , Facebook, or our blog, Trading Smarter

This message is intended only= f=3D or the recipient(s) named above and may contain confidential information. I= =3D f you are not an intended recipient, you should not review, distribute or c= =3D opy this message. Please notify the sender immediately by e-mail if you have received this message in error an= =3D d delete it from your system.


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Content-Type: multipart/mixed; boundary="===============7449134368223063620==" MIME-Version: 1.0 From: Joseph Kelly To: users at ovirt.org Subject: Re: [ovirt-users] Query about running ovirt-4.2.1 engine support 3.x nodes ? Date: Mon, 19 Mar 2018 03:19:04 +0000 Message-ID: In-Reply-To: DM5PR1601MB1307870A4A315F7E754AD0F688D10@DM5PR1601MB1307.namprd16.prod.outlook.com --===============7449134368223063620== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable --_000_DM5PR1601MB13071A810B5779F7BE0FDFF588D40DM5PR1601MB1307_ Content-Type: text/plain; charset=3D"iso-8859-1" Content-Transfer-Encoding: quoted-printable Sorry to ask again, But I can see from the link below the that nodes and en= =3D gines should work between minor number upgrades. But is ovirt 4.2.x backward compatible with, say, 3.6 nodes. Does= =3D anyone know ? Is this documented anywhere ? [ovirt-users] compatibility relationship between datacenter, ovirt and clus= =3D ter https://www.mail-archive.com/users(a)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= =3D 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= =3D 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= =3D 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= =3D 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= =3D rt-nodes upgrades. Thanks, Joe. -- J. Kelly Infrastructure Engineer TradingScreen www.tradingscreen.com Follow TradingScreen on Twitter, Fac= =3D ebook, or our = =3D blog, Trading Smarter This message is intended only for the recipient(s) named above and may cont= =3D ain confidential information. If you are not an intended recipient, you sho= =3D uld not review, distribute or copy this message. Please notify the sender i= =3D mmediately by e-mail if you have received this message in error and delete = =3D it from your system. --_000_DM5PR1601MB13071A810B5779F7BE0FDFF588D40DM5PR1601MB1307_ Content-Type: text/html; charset=3D"iso-8859-1" Content-Transfer-Encoding: quoted-printable

Sorry to ask again, But I = ca=3D n see from the link below the that nodes and engines should work between mi= =3D nor number 

upgrades. But is ovirt 4.2.x ba= ck=3D ward compatible with, say, 3.6 nodes. Does anyone know ? Is this docum= =3D ented  anywhere ? 


[ovirt-users] compatibili= ty=3D relationship between datacenter, ovirt and cluster

https://www.mail-archive.com/users(a)ovirt.org/msg17092= .htm=3D l

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 ? = =3D
 

Hello All,


I have two hopefully easy ques= ti=3D ons regarding an ovirt-4.2.1 engine support and 3.x nodes ?= =3D  


1) Does an ovirt-4.= 2.=3D x engine support 3.x nodes ? As This page states:


"The cluster compat= ib=3D ility is set according to the version of the least capable host operating s= =3D ystem in the cluster."


https://www.ovirt.org/documentation/upgrade-guide/chap-Post-Upgrade_Tas= =3D ks/


W=3D hich seems to indicate that you can run say a 4.2.1 engine with lower = =3D version nodes, but is that correct ?

<=3D br>

2=3D ) And can you just upgrade the nodes directly from 3.x to 4.2.x as per thes= =3D e steps ?

<=3D br>

<=3D /span>

1. Move the node to maintenance
2. Add 4.2.x repos
3. yum update
4. reboot
5. Activate (exit maintenance)

I=3D 've looked in the release notes but wasn't able to find much detail on= =3D ovirt-nodes upgrades.

<=3D br>

T=3D hanks,

J=3D oe.

<=3D br>

--
J. Kelly
TradingScreen
www.tradingscre= en.c=3D om
F=3D ollow TradingScreen on Twitter= =3D , Facebook, or our blog, Trading Smarter

This message is intended only= f=3D or the recipient(s) named above and may contain confidential information. I= =3D f you are not an intended recipient, you should not review, distribute or c= =3D opy this message. Please notify the sender immediately by e-mail if you have received this message in error an= =3D d delete it from your system.


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Date: Mon, 19 Mar 2018 08:55:50 +0200 Message-ID: In-Reply-To: DM5PR1601MB13071A810B5779F7BE0FDFF588D40@DM5PR1601MB1307.namprd16.prod.outlook.com --===============4884214262440866868== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable On Mon, Mar 19, 2018 at 5:19 AM, Joseph Kelly < Joseph.Kelly(a)tradingscreen.com> wrote: > Sorry to ask again, But I can see from the link below the that nodes and > engines should work between minor number > > upgrades. > Indeed. > But is ovirt 4.2.x backward compatible with, say, 3.6 nodes. Does anyone > know ? Is this documented anywhere ? > You can search the release notes pages of 4.2.z releases for '3.6' to find relevant bugs. Just _using_ such hosts, should work. Adding a 3.6 host to a 4.2 engine will likely break. It's definitely not intended to be used for long times - you are encouraged to upgrade your hosts too, soon after the engine. If you plan a very long transition period, I suggest to create a list of operations you might want/need to do, and test everything in a test environment. > > [ovirt-users] compatibility relationship between datacenter, ovirt and > cluster > https://www.mail-archive.com/users(a)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 > capable 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 > version nodes, but is that correct ? > > > 2) And can you just upgrade the nodes directly from 3.x to 4.2.x as per > these steps ? > > > 1. Move the node to maintenance > 2. Add 4.2.x repos > 3. yum update > 4. reboot > 5. Activate (exit maintenance) > This should work. You can also use the admin web ui for updates, which might be better, didn't check recently. See also e.g.: https://bugzilla.redhat.com/show_bug.cgi?id=3D1344020 Best regards, -- = Didi --===============4884214262440866868== Content-Type: text/html MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="attachment.html" PGRpdiBkaXI9Imx0ciI+PGRpdiBjbGFzcz0iZ21haWxfZXh0cmEiPjxkaXYgY2xhc3M9ImdtYWls X3F1b3RlIj5PbiBNb24sIE1hciAxOSwgMjAxOCBhdCA1OjE5IEFNLCBKb3NlcGggS2VsbHkgPHNw YW4gZGlyPSJsdHIiPiZsdDs8YSBocmVmPSJtYWlsdG86Sm9zZXBoLktlbGx5QHRyYWRpbmdzY3Jl ZW4uY29tIiB0YXJnZXQ9Il9ibGFuayI+Sm9zZXBoLktlbGx5QHRyYWRpbmdzY3JlZW4uY29tPC9h PiZndDs8L3NwYW4+IHdyb3RlOjxicj48YmxvY2txdW90ZSBjbGFzcz0iZ21haWxfcXVvdGUiIHN0 eWxlPSJtYXJnaW46MHB4IDBweCAwcHggMC44ZXg7Ym9yZGVyLWxlZnQ6MXB4IHNvbGlkIHJnYigy MDQsMjA0LDIwNCk7cGFkZGluZy1sZWZ0OjFleCI+CgoKCgo8ZGl2IGRpcj0ibHRyIj4KPGRpdiBp ZD0iZ21haWwtbV8zNzQ5ODg0Mjk2OTg1OTkwNTY3ZGl2dGFnZGVmYXVsdHdyYXBwZXIiIHN0eWxl PSJmb250LXNpemU6MTBwdDtjb2xvcjpyZ2IoMCwwLDApO2ZvbnQtZmFtaWx5OlZlcmRhbmEsR2Vu 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