On Mon, Sep 26, 2016 at 11:10 AM, Gianluca Cecchi <gianluca.cecchi@gmail.com> wrote:


 
25.09.2016, 09:14, "Roy Golan" <rgolan@redhat.com>:
You need to edit the vm in the webui and increase the memory there. The next cold boot of the machine will load it with the new config. Do note that the engine has an interval which triggers the creation of the new vm.conf. The interval config item can be checked using
 
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Hello, from which version?

In my case I have "oVirt Engine Version: 4.0.2.7-1.el7.centos" and I get this error if I try to modify from web admin, but I don't understand if it could be related with something different....

https://drive.google.com/file/d/0BwoPbcrMv8mvdHRHamZJZm5iRkU/view?usp=sharing

Currently general pane for hosted engine vm is this one, so that OS appears as "Other OS" (the engien vm was installed from appliance initially):
https://drive.google.com/file/d/0BwoPbcrMv8mvbkkyejJ4V1gxd2M/view?usp=sharing


Hi Gianluca,
are you able to recall or verify which version of ovirt-hosted-engine-setup did you used when you initially created your hosted-engine env?

I suspect that your issue could be somehow related to https://bugzilla.redhat.com/show_bug.cgi?id=1328921 and https://bugzilla.redhat.com/show_bug.cgi?id=1339306 which have been fixed which patch http://gerrit.ovirt.org/57906 for new deployment but not for who deployed before that and than simply upgraded engine rpms over his working engine VM. 

For 4.1 we are thinking at a mechanism to upgrade also engine VM definition when running engine-setup, currently it's not available.
Probably the best option to fix it right now is something like:
- set global maintenance mode
- manually removing the engine VM from the engine DB (to let the auto-import procedure trigger again)
- shutdown the engine VM
- copy your /var/run/ovirt-hosted-engine-ha/vm.conf somewhere
- edit it adding the required devices
- start the engine VM with hosted-engine --vm-start --vm-conf=myvm.conf
- wait for the auto-import procedure to kick in and re-import the engine VM with the additional devices
- exit global maintenance mode

Roy, do you see something simpler to achieve the same result?
 
 
Thanks,
Gianluca

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