Re: [ovirt-users] Upgrade from 3.6 to 4.1

24 Mar 2017

      ...
On 23 Mar 2017, at 20:09, Brett Holcomb <biholcomb@l1049h.com> wrote:
=20
I am currently running oVirt 3.6 on a physical server using hosted =
engine environment.  I have one server since it's a lab setup.  The =
storage is on a Synology 3615xs iSCSI LUN so that's where the vms are.  =
I plan to upgrade to 4.1 and need to check to make sure I understand the =
...
=20
First they say I can simply install the 4.1 release repo update all =
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procedure.  I've read the oVirt 4.1 Release Notes and they leave some =
questions.
the ovirt-*-setup* and then run engine-setup.

I don=E2=80=99t know for sure, but I would first go to latest 4.0 and =
then to 4.1 as I=E2=80=99m not sure they test upgrades from 3.6 to 4.1 =
directly.=20
...
=20
1. I assume this is on the engine VM running on the host physical box.
Yes, inside the VM. But first, follow the guide below and make sure =
engine is in global maintenance mode.=20
...
=20
2.  What does engine-setup do.  Does it know what I have and simply =
update or do I have to go through setup again.
You don=E2=80=99t have to setup from scratch.=20
...
=20
3.  Then do I go to the host and update all the ovirt stuff?
...
=20
However, they then say for oVirt Hosted Engine follow a link for =
upgrading which takes me to a Not Found :( page but did have a link back =
to the release notes which link to the Not Found which....  So what do I =
need to know about upgrading a hosted engine setup that there are no =
Yes, first putting host in local maintenance mode and removing global =
maintenance mode from engine.=20

directions for.  Are there some gotchas?  I thought that the release =
notes said I just had to upgrade the engine and then the host.

@ovirt, can this be fixed ? It=E2=80=99s quite annoying indeed.

Meanwhile, I usually follow the linke from 4.0.0 release notes which is =
not 404.=20

=
https://www.ovirt.org/documentation/how-to/hosted-engine/#upgrade-hosted-e=
ngine =
<https://www.ovirt.org/documentation/how-to/hosted-engine/#upgrade-hosted-=
engine>
...
=20
Given that my VMs are on iSCSI what happens if things go bad and I =
have to start from scratch.  Can I import the VMs created under 3.6 into =
4.1 or do I have to do something else like copy them somewhere for =
backup.
It might be good to shutdown the VMs and do an export if you have a =
storage domain for that. Just to be 100 % safe.
In any case, during the upgrade, since the host is in maintenance, all =
VMs have to be OFF.
...
=20
Any other hints and tips are appreciated.
Don=E2=80=99t have iSCSI so can=E2=80=99t help much with that.
I=E2=80=99m just a regular user who failed many times :)
...
=20
Thanks.
=20
_______________________________________________
Users mailing list
Users@ovirt.org
http://lists.ovirt.org/mailman/listinfo/users
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<html><head><meta http-equiv=3D"Content-Type" content=3D"text/html =
charset=3Dutf-8"></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" =
class=3D""><br class=3D""><div><blockquote type=3D"cite" class=3D""><div =
class=3D"">On 23 Mar 2017, at 20:09, Brett Holcomb <<a =
href=3D"mailto:biholcomb@l1049h.com" =
class=3D"">biholcomb@l1049h.com</a>> wrote:</div><br =
class=3D"Apple-interchange-newline"><div class=3D""><div class=3D"">I am =
currently running oVirt 3.6 on a physical server using hosted engine =
environment.  I have one server since it's a lab setup.  The =
storage is on a Synology 3615xs iSCSI LUN so that's where the vms are. =
 I plan to upgrade to 4.1 and need to check to make sure I =
understand the procedure.  I've read the oVirt 4.1 Release Notes =
and they leave some questions.<br class=3D""><br class=3D"">First they =
say I can simply install the 4.1 release repo update all the =
ovirt-*-setup* and then run engine-setup.<br =
class=3D""></div></div></blockquote><div><br class=3D""></div><div>I =
don=E2=80=99t know for sure, but I would first go to latest 4.0 and then =
to 4.1 as I=E2=80=99m not sure they test upgrades from 3.6 to 4.1 =
directly. </div><br class=3D""><blockquote type=3D"cite" =
class=3D""><div class=3D""><div class=3D""><br class=3D"">1. I assume =
this is on the engine VM running on the host physical box.<br =
class=3D""></div></div></blockquote><div><br class=3D""></div><div>Yes, =
inside the VM. But first, follow the guide below and make sure engine is =
in global maintenance mode. </div><br class=3D""><blockquote =
type=3D"cite" class=3D""><div class=3D""><div class=3D""><br class=3D"">2.=
  What does engine-setup do.  Does it know what I have and =
simply update or do I have to go through setup again.<br =
class=3D""></div></div></blockquote><div><br class=3D""></div><div>You =
don=E2=80=99t have to setup from scratch. </div><br =
class=3D""><blockquote type=3D"cite" class=3D""><div class=3D""><div =
class=3D""><br class=3D"">3.  Then do I go to the host and update =
all the ovirt stuff?<br class=3D""></div></div></blockquote><div><br =
class=3D""></div><div>Yes, first putting host in local maintenance mode =
and removing global maintenance mode from engine. </div><br =
class=3D""><blockquote type=3D"cite" class=3D""><div class=3D""><div =
class=3D""><br class=3D"">However, they then say for oVirt Hosted Engine =
follow a link for upgrading which takes me to a Not Found :( page but =
did have a link back to the release notes which link to the Not Found =
which....  So what do I need to know about upgrading a hosted =
engine setup that there are no directions for.  Are there some =
gotchas?  I thought that the release notes said I just had to =
upgrade the engine and then the host.<br =
class=3D""></div></div></blockquote><div><br class=3D""></div><div>@ovirt,=
 can this be fixed ? It=E2=80=99s quite annoying indeed.</div><div><br =
class=3D""></div><div>Meanwhile, I usually follow the linke from 4.0.0 =
release notes which is not 404. </div><div><br =
class=3D""></div><div><a =
href=3D"https://www.ovirt.org/documentation/how-to/hosted-engine/#upgrade-=
hosted-engine" =
class=3D"">https://www.ovirt.org/documentation/how-to/hosted-engine/#upgra=
de-hosted-engine</a></div><br class=3D""><blockquote type=3D"cite" =
class=3D""><div class=3D""><div class=3D""><br class=3D"">Given that my =
VMs are on iSCSI what happens if things go bad and I have to start from =
scratch.  Can I import the VMs created under 3.6 into 4.1 or do I =
have to do something else like copy them somewhere for backup.<br =
class=3D""></div></div></blockquote><div><br class=3D""></div><div>It =
might be good to shutdown the VMs and do an export if you have a storage =
domain for that. Just to be 100 % safe.</div><div>In any case, during =
the upgrade, since the host is in maintenance, all VMs have to be =
OFF.</div><br class=3D""><blockquote type=3D"cite" class=3D""><div =
class=3D""><div class=3D""><br class=3D"">Any other hints and tips are =
appreciated.<br class=3D""></div></div></blockquote><div><br =
class=3D""></div><div>Don=E2=80=99t have iSCSI so can=E2=80=99t help =
much with that.</div><div>I=E2=80=99m just a regular user who failed =
many times :)</div><br class=3D""><blockquote type=3D"cite" =
class=3D""><div class=3D""><div class=3D""><br class=3D"">Thanks.<br =
class=3D""><br =
class=3D"">_______________________________________________<br =
class=3D"">Users mailing list<br class=3D""><a =
href=3D"mailto:Users@ovirt.org" class=3D"">Users@ovirt.org</a><br =
class=3D"">http://lists.ovirt.org/mailman/listinfo/users<br =
class=3D""></div></div></blockquote></div><br class=3D""></body></html>=

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Re: [ovirt-users] Upgrade from 3.6 to 4.1

Christophe TREFOIS