[ovirt-users] howto change hosted-engine config memory

Tue Feb 2 19:45:01 UTC 2016

On Tue, Feb 2, 2016 at 8:33 PM, Paul Groeneweg | Pazion <paul at pazion.nl>
wrote:

> Hi Simone,
>
> I have exactly as you stated, but found maybe a problem/bug.
>
> 1. I put hosted engine to maintenance and powered it off
> 2. Changed memory in /etc/ovirt-hosted-engine/vm.conf to memSize=8192
> 3. I restarted both ovirt-ha-agent and ovirt-ha-broker: /etc/init.d/ovirt-ha-broker
> restart && /etc/init.d/ovirt-ha-agent restart
> 4. I started hosted-engine and turned off global maintenance.
>
> The hostedengine webinterface still says 4096MB
>
> Now I logged on with ssh and ran the command "free -m"
> This command shows:
>
> Mem:          7870       ...
> So, I believe my hostedengine was updated, but the webinterface is showing
> incorrect values: http://screencast.com/t/Bg5xU0Ja
>
> Any idea why web interface is not showing correct value under Defined or
> Physical memory?
>

You are not the first that reports that: it seams that it's just a
timeout/refresh issue and you have just to wait. Adding Michal here.

>
> Regards,
> Paul
>
>
>
>
>
> Op di 2 feb. 2016 om 09:31 schreef Paul Groeneweg | Pazion <paul at pazion.nl
> >:
>
>> Hi Simone,
>>
>> Thanks!
>> I think I did not restart broker and agent before going out of
>> maintenance mode.
>> I will try these steps and let you know.
>>
>> Regards,
>> Paul
>>
>> Op di 2 feb. 2016 om 09:26 schreef Simone Tiraboschi <stirabos at redhat.com
>> >:
>>
>>> On Tue, Feb 2, 2016 at 12:11 AM, Paul Groeneweg | Pazion <paul at pazion.nl
>>> > wrote:
>>>
>>>> I am trying to change memory of my hosted engine.
>>>> I am running oVirt 3.6 with CentOS 6 Hosts with hosted engine on nfs3
>>>>
>>>
>>> We didn't build VDSM and hosted-engine-ha from 3.6 for Centos 6 so
>>> basically your hosts are still with oVirt 3.5.
>>>
>>> In order to edit the hosted-engine VM on oVirt 3.5, you have to:
>>> 1. set global-maintenance mode
>>> 2. shutdown the engine VM
>>> 3. manually edit /etc/ovirt-hosted-engine/vm.conf on each host (keeping
>>> ti coherent is up to you, take a backup)
>>> 4. restart ovirt-ha-broker and ovirt-ha-agent services on each host.
>>> 5. exits global maintenance mode
>>>
>>> Updating to oVirt 3.6 you will be able to edit some parameters of the
>>> engine VM from the engine itself.
>>>
>>>
>>>>
>>>> 1. I put hosted-engine to maintenance, shutdown vm
>>>> 2. update /etc/ovirt-hosted-engine/vm.conf
>>>> 3. restart vm disable maintenance
>>>>
>>>> Memory is still old value.
>>>> How can I change the hosted engine VM?
>>>>
>>>> I did found:
>>>> http://www.ovirt.org/Features/Hosted_Engine_configuration_on_shared_storage
>>>>
>>>> When I check /etc/ovirt-hosted-engine/hosted-engine.conf there is no
>>>> "conf_volume_UUID" entry.
>>>>
>>>> Do I need to create a shared config volume entry ( conf_volume_UUID ),
>>>> so I can edit hosted engine VM? If so, how can this be done?
>>>>
>>>> I did try to rerun engine-setup, but this did not trigger anything.
>>>>
>>>> Kind regards,
>>>>
>>>> Paul Groeneweg
>>>> Pazion
>>>>
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>>>> Met vriendelijke groeten,
>>>>
>>>> Paul Groeneweg
>>>> Pazion
>>>> Webdevelopment  -  Hosting  -  Apps
>>>>
>>>> T +31 26 3020038
>>>> M +31 614 277 577
>>>> E  paul at pazion.nl
>>>>
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>>> --
>> Met vriendelijke groeten,
>>
>> Paul Groeneweg
>> Pazion
>> Webdevelopment  -  Hosting  -  Apps
>>
>> T +31 26 3020038
>> M +31 614 277 577
>> E  paul at pazion.nl
>>
>>  ***disclaimer***
>> "This e-mail and any attachments thereto may contain information which is
>> confidential and/or protected by intellectual property rights and are
>> intended for the sole use of the recipient(s) named above. Any use of the
>> information contained herein (including, but not limited to, total or
>> partial reproduction, communication or distribution in any form) by persons
>> other than the designated recipient(s) is prohibited. If you have received
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>>
> --
> Met vriendelijke groeten,
>
> Paul Groeneweg
> Pazion
> Webdevelopment  -  Hosting  -  Apps
>
> T +31 26 3020038
> M +31 614 277 577
> E  paul at pazion.nl
>
>  ***disclaimer***
> "This e-mail and any attachments thereto may contain information which is
> confidential and/or protected by intellectual property rights and are
> intended for the sole use of the recipient(s) named above. Any use of the
> information contained herein (including, but not limited to, total or
> partial reproduction, communication or distribution in any form) by persons
> other than the designated recipient(s) is prohibited. If you have received
> this e-mail in error, please notify the sender either by telephone or by
> e-mail and delete the material from any computer. Thank you for your
> cooperation."
>
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