[pve-devel] live storage migration (gui + doc)

Alexandre DERUMIER aderumier at odiso.com
Fri Jul 7 11:14:20 CEST 2017


Maybe do we need to specify that:


Just after the memory has been migrated,

we need to flush pending writes from source vm

then we resume the target vm.


So yes, if a lot of write occur and the storage is slow, it can increase the downtime.

?

----- Mail original -----
De: "dietmar" <dietmar at proxmox.com>
À: "aderumier" <aderumier at odiso.com>, "pve-devel" <pve-devel at pve.proxmox.com>
Envoyé: Vendredi 7 Juillet 2017 09:18:25
Objet: Re: [pve-devel] live storage migration (gui + doc)

We already have users complaining that this does not work: 

https://forum.proxmox.com/threads/slow-livemigration-performance-since-5-0.35522 

IMHO this is based on a total misunderstanding how things work, but I fear many 
users will react this way :-/ 

> On July 4, 2017 at 4:17 PM Alexandre Derumier <aderumier at odiso.com> wrote: 
> 
> 
> changelog : 
> - fix indentation tab, and trailing coma 
> - add doc 
> 
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> pve-devel at pve.proxmox.com 
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