[pve-devel] migration problems since qemu 1.3

Stefan Priebe - Profihost AG s.priebe at profihost.ag
Sun Dec 23 14:58:50 CET 2012


Good idea will Test with a Memory pxe bootet Image later today

Am 23.12.2012 um 14:34 schrieb Alexandre DERUMIER <aderumier at odiso.com>:

>>> How much mem was in use? Died you tried my suggestion with 
>>> find / -type f -print | xargs cat >/dev/null
> 
> I filled memory buffer with fio read benchmark. (tested with 4GB and 16G guests)
> 
> storage tested: nfs and iscsi. (don't have my rbd cluster for now)
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> ----- 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: Dimanche 23 Décembre 2012 14:21:07 
> Objet: Re: [pve-devel] migration problems since qemu 1.3 
> 
> Hi, 
> Am 23.12.2012 14:18, schrieb Alexandre DERUMIER: 
>> I have redone tests on my side, with linux and windows guests, vms with 4 - 16GB ram 
>> I really can't reproduce your problem. 
>> 
>> migration speed is around 400MB/S.
> How much mem was in use? Died you tried my suggestion with 
> find / -type f -print | xargs cat >/dev/null 
> 
> BEFORE you migrate? 
> 
>> maybe can you try the last qemu git version ? I see some big migration patchs commited this last days....
> Already tried that. No Change. 
> 
> Stefan 



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