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

Thu Feb 4 09:38:30 UTC 2016

Hi Simone,

Op do 4 feb. 2016 om 09:26 schreef Simone Tiraboschi <stirabos at redhat.com>:

> On Thu, Feb 4, 2016 at 9:11 AM, Paul Groeneweg | Pazion <paul at pazion.nl>
> wrote:
>
>> What can I expect? webinterface of 3.5 Hosts will remain broken?
>>
>
> Just to clarify,
> Paul, feel free to correct me, the engine is already at 3.6, the hosts are
> still at 3.5 so the cluster compatibility level is still at 3.5 and so no
> auto-import. In order to gain auto-import and other 3.6 feature you need to
> upgrade all of you hosts to 3.6 (and this requires el7).
>
> I have upgrade all components as far as possible. Engine and hosts are
updated with release 3.6 All Hosts and hosted engine run Centos 6. I
understood VDSM is not updated on Centos 6 anymore, so yes cluster
compatibility is on 3.5

> On 3.5 hosts you manually edited  /etc/ovirt-hosted-engine/vm.conf on each
> host to move from 4G to 8G; the agent from 3.5 correctly restarted the
> engine VM at 8G, you find 8G on the VM but 3.6 engine is still showing it
> as an external VM with just 4G. Is this the issue?
>

This is correct.
I also reported the fact Guest info of VMs ( centos 5,6 and 7 ) is not
showing, maybe this is related?

>
>> Or will there be an update which fixes this ( with autoimport? )?
>>
>> Would you strongly advise to upgrade Hosts to RHEL/Centos 7?
>>
>> Op wo 3 feb. 2016 om 23:39 schreef Michal Skrivanek <mskrivan at redhat.com
>> >:
>>
>>>
>>>
>>> On 03 Feb 2016, at 12:02, Paul Groeneweg | Pazion <paul at pazion.nl>
>>> wrote:
>>>
>>> That is correct.
>>> Hosted engine was installed on 3.4 and upgrade several times.
>>>
>>> Let me know if you need any additional info.
>>>
>>> Op wo 3 feb. 2016 om 12:00 schreef Simone Tiraboschi <
>>> stirabos at redhat.com>:
>>>
>>>> On Wed, Feb 3, 2016 at 11:27 AM, Michal Skrivanek <mskrivan at redhat.com>
>>>> wrote:
>>>>
>>>>>
>>>>> On 03 Feb 2016, at 08:07, Paul Groeneweg | Pazion <paul at pazion.nl>
>>>>> wrote:
>>>>>
>>>>> I checked again and hosted engine still says 4096.
>>>>>
>>>>> I also see "Graphics protocol" says SPICE, but I connect through VNC…
>>>>>
>>>>>
>>>>> that might be similar issue as below, unless it’s an upgrade from 3.5.
>>>>> in which case bug 1297404 might be relevant for the console part
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> Op di 2 feb. 2016 om 21:02 schreef Paul Groeneweg | Pazion <
>>>>> paul at pazion.nl>:
>>>>>
>>>>>> Allright.
>>>>>> Still old value.
>>>>>> I'll keep an eye and report back tomorrow if it is still old value.
>>>>>>
>>>>>> Op di 2 feb. 2016 om 20:45 schreef Simone Tiraboschi <
>>>>>> stirabos at redhat.com>:
>>>>>>
>>>>>>> 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.
>>>>>>>
>>>>>>
>>>>> doesn’t sound likely, i would more suspect the import HE 3.6 feature,
>>>>> adding Roy
>>>>> originally there were no further config updates to external VMs once
>>>>> it was added
>>>>>
>>>>>
>>>> He said that 'I am running oVirt 3.6 with CentOS 6 Hosts with hosted
>>>> engine on nfs3',
>>>> so the hosts are still at 3.5 and so the cluster compatibility level
>>>> and so no auto-import at all.
>>>>
>>>
>>> Ah ok, then the latter sentence applies:) there are no further updates
>>> to the HE VM configuration. And most of the values(including console) are
>>> just made up
>>> That's what 3.6 autoimport is improving(again, I'm not sure about the
>>> updates later on)
>>>
>>>
>>>
>>>>
>>>>>
>>>>>
>>>>>>>
>>>>>>>>
>>>>>>>> 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
>>>>>>>>>>>
>>>>>>>>>>>  ***disclaimer***
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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
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>>>>>>>>> this e-mail in error, please notify the sender either by telephone or by
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>>>>>>>>> cooperation."
>>>>>>>>>
>>>>>>>> --
>>>>>>>> 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
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>>>>>>>> other than the designated recipient(s) is prohibited. If you have received
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>>>>>>>> e-mail and delete the material from any computer. Thank you for your
>>>>>>>> cooperation."
>>>>>>>>
>>>>>>> --
>>>>>> 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
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>>>>>> other than the designated recipient(s) is prohibited. If you have received
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>>>>>> cooperation."
>>>>>>
>>>>> --
>>>>> 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
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>>>>> other than the designated recipient(s) is prohibited. If you have received
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>>>>> cooperation."
>>>>>
>>>>>
>>>>> --
>>> Met vriendelijke groeten,
>>>
>>> Paul Groeneweg
>>> Pazion
>>> Webdevelopment  -  Hosting  -  Apps
>>>
>>> T +31 26 3020038
>>> M +31 614 277 577
>>> E  paul at pazion.nl
>>>
>>>  ***disclaimer***
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>>> is confidential and/or protected by intellectual property rights and are
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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."
>>
> --
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
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other than the designated recipient(s) is prohibited. If you have received
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