--_000_e83ab1cb04e04ce3ac58f17528265c8eCD1001M21corpads_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Thanks for the responses guys. Do we know why it's recommended to power th= e VMs off and then move them to the new cluster? Especially if live migrat= ion seems to work anyway. From: matthew lagoe [mailto:matthew.lagoe@subrigo.net] Sent: Thursday, August 20, 2015 3:25 PM To: Groten, Ryan Cc: users@ovirt.org Subject: Re: [ovirt-users] Migrating hosts from RHEL6 to RHEL7 It is possible to migrate a VM from 6 to 7 it is recommended however that y= ou don't do a live migration and that you power off the VM and then turn it= back on on the cluster running version 7 "Groten, Ryan" wrote: Has anyone succeeded in upgrading their hosts OS version from 6 to 7? I as= sumed it could be done without downtime and one host at a time, but when tr= ying it out I found that RHEL7 hosts can't be placed in the same Cluster as= RHEL6 ones. I then tried making a new Cluster and migrating VMs from the RHEL6 cluster = to RHEL7. Initial testing seems to show that it works from RHEL6 to RHEL7 = but not the other way around. Also when I select this option a warning pop= s up saying "Choosing different cluster may lead to unexpected results. Pl= ease consult documentation." I looked in the Admin Guide and Technical Reference Guide but don't see whe= re these unexpected results are mentioned. Thanks, Ryan Groten --_000_e83ab1cb04e04ce3ac58f17528265c8eCD1001M21corpads_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable <html xmlns:v=3D"urn:schemas-microsoft-com:vml" xmlns:o=3D"urn:schemas-micr= osoft-com:office:office" xmlns:w=3D"urn:schemas-microsoft-com:office:word" = xmlns:m=3D"http://schemas.microsoft.com/office/2004/12/omml" xmlns=3D"http:= //www.w3.org/TR/REC-html40"> <head> <meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3Dus-ascii"=
<meta name=3D"Generator" content=3D"Microsoft Word 14 (filtered medium)"> <style><!-- /* Font Definitions */ @font-face {font-family:Calibri; panose-1:2 15 5 2 2 2 4 3 2 4;} @font-face {font-family:Tahoma; panose-1:2 11 6 4 3 5 4 4 2 4;} @font-face {font-family:"Century Gothic"; panose-1:2 11 5 2 2 2 2 2 2 4;} /* Style Definitions */ p.MsoNormal, li.MsoNormal, div.MsoNormal {margin:0in; margin-bottom:.0001pt; font-size:12.0pt; font-family:"Times New Roman","serif";} a:link, span.MsoHyperlink {mso-style-priority:99; color:blue; text-decoration:underline;} a:visited, span.MsoHyperlinkFollowed {mso-style-priority:99; color:purple; text-decoration:underline;} span.EmailStyle17 {mso-style-type:personal; font-family:"Century Gothic","sans-serif"; color:windowtext;} span.EmailStyle18 {mso-style-type:personal-reply; font-family:"Century Gothic","sans-serif"; color:blue;} .MsoChpDefault {mso-style-type:export-only; font-family:"Calibri","sans-serif";} @page WordSection1 {size:8.5in 11.0in; margin:1.0in 1.0in 1.0in 1.0in;} div.WordSection1 {page:WordSection1;} --></style><!--[if gte mso 9]><xml> <o:shapedefaults v:ext=3D"edit" spidmax=3D"1026" /> </xml><![endif]--><!--[if gte mso 9]><xml> <o:shapelayout v:ext=3D"edit"> <o:idmap v:ext=3D"edit" data=3D"1" /> </o:shapelayout></xml><![endif]--> </head> <body lang=3D"EN-US" link=3D"blue" vlink=3D"purple"> <div class=3D"WordSection1"> <p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Ce= ntury Gothic","sans-serif";color:blue">Thanks for the respon= ses guys. Do we know why it’s recommended to power the VMs off = and then move them to the new cluster? Especially if live migration seems to work anyway.<o:p></o:p></span></p> <p class=3D"MsoNormal"><a name=3D"_MailEndCompose"><span style=3D"font-size= :10.0pt;font-family:"Century Gothic","sans-serif";color= :blue"><o:p> </o:p></span></a></p> <p class=3D"MsoNormal"><b><span style=3D"font-size:10.0pt;font-family:"= ;Tahoma","sans-serif"">From:</span></b><span style=3D"font-s= ize:10.0pt;font-family:"Tahoma","sans-serif""> matthew = lagoe [mailto:matthew.lagoe@subrigo.net] <br> <b>Sent:</b> Thursday, August 20, 2015 3:25 PM<br> <b>To:</b> Groten, Ryan<br> <b>Cc:</b> users@ovirt.org<br> <b>Subject:</b> Re: [ovirt-users] Migrating hosts from RHEL6 to RHEL7<o:p><= /o:p></span></p> <p class=3D"MsoNormal"><o:p> </o:p></p> <p class=3D"MsoNormal">It is possible to migrate a VM from 6 to 7 it is rec= ommended however that you don't do a live migration and that you power off = the VM and then turn it back on on the cluster running version 7 "Grot= en, Ryan" wrote: <o:p></o:p></p> <p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Ce= ntury Gothic","sans-serif"">Has anyone succeeded in upgradin= g their hosts OS version from 6 to 7? I assumed it could be done with= 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 = ones. </span> <o:p></o:p></p> <p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Ce= ntury Gothic","sans-serif"">I then tried making a new Cluste= r and migrating VMs from the RHEL6 cluster to RHEL7. Initial testing = 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 = “Choosing different cluster may lead to unexpected results. Ple= ase consult documentation.”</span><o:p></o:p></p> <p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Ce= ntury Gothic","sans-serif""> </span><o:p></o:p></p> <p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Ce= ntury Gothic","sans-serif"">I looked in the Admin Guide and = Technical Reference Guide but don’t see where these unexpected result= s are mentioned.</span><o:p></o:p></p> <p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Ce= ntury Gothic","sans-serif""> </span><o:p></o:p></p> <p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Ce= ntury Gothic","sans-serif"">Thanks,</span><o:p></o:p></p> <p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Ce= ntury Gothic","sans-serif"">Ryan Groten</span><o:p></o:p></p=
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