From Ryan.Groten at stantec.com Thu Aug 20 16:13:19 2015 Content-Type: multipart/mixed; boundary="===============8663779189038390181==" MIME-Version: 1.0 From: Groten, Ryan To: users at ovirt.org Subject: [ovirt-users] Migrating hosts from RHEL6 to RHEL7 Date: Thu, 20 Aug 2015 20:13:14 +0000 Message-ID: <8d73bbed9d1346ce83f77f0bb59a296d@CD1001-M21.corp.ads> --===============8663779189038390181== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable --_000_8d73bbed9d1346ce83f77f0bb59a296dCD1001M21corpads_ Content-Type: text/plain; charset=3D"us-ascii" Content-Transfer-Encoding: quoted-printable Has anyone succeeded in upgrading their hosts OS version from 6 to 7? I as= =3D sumed it could be done without downtime and one host at a time, but when tr= =3D ying it out I found that RHEL7 hosts can't be placed in the same Cluster as= =3D RHEL6 ones. I then tried making a new Cluster and migrating VMs from the RHEL6 cluster = =3D to RHEL7. Initial testing seems to show that it works from RHEL6 to RHEL7 = =3D but not the other way around. Also when I select this option a warning pop= =3D s up saying "Choosing different cluster may lead to unexpected results. Pl= =3D ease consult documentation." I looked in the Admin Guide and Technical Reference Guide but don't see whe= =3D re these unexpected results are mentioned. Thanks, Ryan Groten --_000_8d73bbed9d1346ce83f77f0bb59a296dCD1001M21corpads_ Content-Type: text/html; charset=3D"us-ascii" Content-Transfer-Encoding: quoted-printable

Has anyone succeeded in upgradin= =3D g their hosts OS version from 6 to 7?  I assumed it could be done with= =3D out downtime and one host at a time, but when trying it out I found that RHEL7 hosts can’t be placed in the same Cluster as RHEL6 = =3D ones. 

I then tried making a new Cluste= =3D r and migrating VMs from the RHEL6 cluster to RHEL7.  Initial testing = =3D seems to show that it works from RHEL6 to RHEL7 but not the other way around.  Also when I select this option a warning pops up saying = =3D “Choosing different cluster may lead to unexpected results.  Ple= =3D ase consult documentation.”

 

I looked in the Admin Guide and = =3D Technical Reference Guide but don’t see where these unexpected result= =3D s are mentioned.

 

Thanks,

Ryan Groten

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