[pve-devel] [PATCH 3/3] add downtime && expected_downtime query-migrate info

[Alexandre DERUMIER]

>>To my last mails nobody answered... 

I have reply to the mail, adding more infos, because I think it was not enough detailled.
I also put paolo bonzini and juan quintala (the migration code author) in copy.


----- Mail original ----- 

De: "Stefan Priebe" <s.priebe at profihost.ag> 
À: "Alexandre DERUMIER" <aderumier at odiso.com> 
Cc: pve-devel at pve.proxmox.com, "Dietmar Maurer" <dietmar at proxmox.com> 
Envoyé: Jeudi 27 Décembre 2012 19:38:49 
Objet: Re: [pve-devel] [PATCH 3/3] add downtime && expected_downtime query-migrate info 

Hi, 

Am 27.12.2012 16:21, schrieb Alexandre DERUMIER: 
> But if it's work fine for you with 1s migrate_downtime, we need to find where the problem is in the current qemu 1.3 code ... (maybe qemu mailing can help) 
To my last mails nobody answered... 

Stefan 


> ----- Mail original ----- 
> 
> De: "Stefan Priebe" <s.priebe at profihost.ag> 
> À: "Alexandre DERUMIER" <aderumier at odiso.com> 
> Cc: pve-devel at pve.proxmox.com, "Dietmar Maurer" <dietmar at proxmox.com> 
> Envoyé: Jeudi 27 Décembre 2012 15:19:41 
> Objet: Re: [pve-devel] [PATCH 3/3] add downtime && expected_downtime query-migrate info 
> 
> Strangely the status of the VM is always paused after migration. 
> 
> Stefan 
> Am 27.12.2012 15:18, schrieb Stefan Priebe: 
>> Hi, 
>> 
>> have now done the same. 
>> 
>> With current git qemu migration is really fast using 1,6GB memory: 
>> Dec 27 15:17:45 starting migration of VM 105 to node 'cloud1-1202' 
>> (10.255.0.20) 
>> Dec 27 15:17:45 copying disk images 
>> Dec 27 15:17:45 starting VM 105 on remote node 'cloud1-1202' 
>> Dec 27 15:17:48 starting online/live migration on tcp:10.255.0.20:60000 
>> Dec 27 15:17:48 migrate_set_speed: 8589934592 
>> Dec 27 15:17:48 migrate_set_downtime: 0.05 
>> Dec 27 15:17:52 migration speed: 512.00 MB/s - downtime 174 ms 
>> Dec 27 15:17:52 migration status: completed 
>> Dec 27 15:17:53 migration finished successfuly (duration 00:00:09) 
>> TASK OK 
>> 
>> It's so fast that i can't check if i see that's while migrating. 
>> 
>> Greets, 
>> Stefan 
>> 
>> Am 27.12.2012 14:26, schrieb Alexandre DERUMIER: 
>>>>> The problem is the LATEST git qemu code they've changed a LOT of 
>>>>> include 
>>>>> file locations so nearly NO PVE patch applies... 
>>> 
>>> I'm currently building a pve-qemu-kvm on qemu 1.4, with basics patches 
>>> 
>>> fr-ca-keymap-corrections.diff 
>>> fairsched.diff 
>>> pve-auth.patch 
>>> vencrypt-auth-plain.patch 
>>> enable-kvm-by-default.patch 
>>> 
>>> should be enough to connect with vnc and test migration 
>>> 
>>> I'll keep in touch 
>>> 
>>> 
>>> 
>>> ----- Mail original ----- 
>>> 
>>> De: "Stefan Priebe" <s.priebe at profihost.ag> 
>>> À: "Alexandre DERUMIER" <aderumier at odiso.com> 
>>> Cc: pve-devel at pve.proxmox.com, "Dietmar Maurer" <dietmar at proxmox.com> 
>>> Envoyé: Jeudi 27 Décembre 2012 13:40:24 
>>> Objet: Re: [pve-devel] [PATCH 3/3] add downtime && expected_downtime 
>>> query-migrate info 
>>> 
>>> Hi, 
>>> Am 27.12.2012 13:39, schrieb Alexandre DERUMIER: 
>>>>>> not right now - but i tested this yesterday and didn't saw a 
>>>>>> difference 
>>>>>> so i moved again to 3.6.11. 
>>>> It'll do test with a 3.6 kernel too, to see if I have a difference 
>>> 
>>> Thanks! Will retest with pve kernel too. 
>>> 
>>>> Do you have tried with last qemu 1.4 git ? 
>>>> Because I'm looking into the code, and the change in migration code 
>>>> is really huge. 
>>>> So we could known if it's a qemu migration code problem or not... 
>>> 
>>> The problem is the LATEST git qemu code they've changed a LOT of include 
>>> file locations so nearly NO PVE patch applies... 
>>> 
>>> Stefan 
>>>