[ovirt-users] Re: VMs missing following Import of Storage Domain

[simon]

Apologies - I didn't mean this to be a new thread...anyway.

I've forgotten how to access the engine db and run the queries above but I had 
an idea the following may work.

The resolution for now was to clone the VMs that weren't in any OVF_STORE. The 
geo-replicated volume was then imported on the DR site and VMs successfully 
imported.

Thanks for your advice above, I'll make a note should I come across a similar 
issue.

Kind Regards

Simon...
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[ovirt-users] Re: VMs missing following Import of Storage Domain

[Arik Hadas]

On Tue, Jun 28, 2022 at 1:31 AM Simon Scott  wrote:
>
> The .ovf files don’t exist on the Primary site for the VMs in question so 
> they are not being replicated.
>
> Question is why aren’t there .ovf files on any of the hosts for those Vms?

I can think of at least three reasons:
1. There was no "OVF update" since those VMs were created but if you
kept the OvfUpdateIntervalInMinutes with its default value of 60 min
and the missing VMs were not created in about the same time then it's
less likely
2. ovirt-engine failed to write the OVFs, that's also less likely but
then you should see an error in engine.log
3. ovirt-engine didn't detect a change thus didn't try to write the
OVFs of these VMs

I'd do the following:
1. Check the output of "engine=# select vm_guid, ovf_generation from
vm_ovf_generations ;" to see if the missing VMs are written there
(they probably are) and what's their "ovf generation"
2. Update some of those VMs
3. Check that their new generation is higher than the one you saw in
(1) with: "engine=# select vm_name, db_generation from vm_static;"
4. Trigger Storage Domain -> Update OVFs
5. Check the OVF store to see if those VMs are now there


>
> Regards
>
> Simon…
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[ovirt-users] Re: VMs missing following Import of Storage Domain

[Simon Scott]

The .ovf files don’t exist on the Primary site for the VMs in question so they 
are not being replicated.

Question is why aren’t there .ovf files on any of the hosts for those Vms?

Regards

Simon…
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[ovirt-users] Re: VMs missing following Import of Storage Domain

[Arik Hadas]

On Fri, Jun 24, 2022 at 9:49 AM Sandro Bonazzola  wrote:
>
>
>
> Il giorno gio 23 giu 2022 alle ore 20:20  ha scritto:
>>
>> I heard oVirt was almost dead, but I didn’t realise I would need a séance to 
>> get a response…
>>
>> Is there anybody there???
>
>
> Hi, yes, we are here. Just a lot busy.
> @Arik Hadas the issue faced by Simon seems to be in your area of knowledge, 
> can you please follow up on this thread?

yeah, it makes sense that the VMs are missing in the OVF_STORE on the
secondary site then
I'd check the OVF_STORE on the primary site - if it's updated then
check the replication mechanism
otherwise, I'd check what those VMs that are missing have in common -
were they created in about the same time and so maybe there was no
attempt to update the OVF_STORE before the fail over, what do they
have in common in terms of their storage consumption, etc

>
> --
>
> Sandro Bonazzola
>
> MANAGER, SOFTWARE ENGINEERING, EMEA R RHV
>
> Red Hat EMEA
>
> sbona...@redhat.com
>
> Red Hat respects your work life balance. Therefore there is no need to answer 
> this email out of your office hours.
>
>
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[ovirt-users] Re: VMs missing following Import of Storage Domain

[simon]

Thanks as always Sandro 
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[ovirt-users] Re: VMs missing following Import of Storage Domain

[Sandro Bonazzola]

Il giorno gio 23 giu 2022 alle ore 20:20  ha scritto:

> I heard oVirt was almost dead, but I didn’t realise I would need a séance
> to get a response…
>
> Is there anybody there???
>

Hi, yes, we are here. Just a lot busy.
@Arik Hadas  the issue faced by Simon seems to be in
your area of knowledge, can you please follow up on this thread?

-- 

Sandro Bonazzola

MANAGER, SOFTWARE ENGINEERING, EMEA R RHV

Red Hat EMEA 

sbona...@redhat.com


*Red Hat respects your work life balance. Therefore there is no need to
answer this email out of your office hours.*
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[ovirt-users] Re: VMs missing following Import of Storage Domain

[simon]

I heard oVirt was almost dead, but I didn’t realise I would need a séance to 
get a response…

Is there anybody there???
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[ovirt-users] Re: VMs missing following Import of Storage Domain

[simon]

Can anyone point me in the right direction to resolve this.

Given that geo-replication is working as expected, trust in being able to have 
a DR failover without issue is completely shot if there’s an underlying issue 
that prevents restoring all of the VMs/Data.

Regards

Simon
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[ovirt-users] Re: VMs missing following Import of Storage Domain

[simon]

Anyone please?
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[ovirt-users] Re: VMs missing following Import of Storage Domain

[simon]

Further investigation reveal that the OVF_STORE isn't being updated.

Any ideas @Strahil?
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