Firstly,

I'll improve drive-mirror to handle multiple mirror in parallel, splitting the 
block-job complete part.

This can improve current live cloning vm with mutiple disks. 

and It's a good test before implement multiple disk mirroring through remote 
nbd.


----- Mail original -----
De: "aderumier" <aderum...@odiso.com>
À: "dietmar" <diet...@proxmox.com>
Cc: "pve-devel" <pve-devel@pve.proxmox.com>
Envoyé: Mercredi 19 Octobre 2016 10:33:21
Objet: Re: [pve-devel] [PATCH 1/3] add live storage migration with vm migration

>>Something like that - not sure if that is possible? 

I don't known (don't known if I can launch the vm migration process when 
block-job still running). I'll do tests. 


In the future, qemu should also add CORO support (some code is already in qemu 
git but not complete). 
This should allow to constant vm memory mirroring + disk mirroing to a remote 
node, to have some kind of real HA, even without shared storage. 



----- Mail original ----- 
De: "dietmar" <diet...@proxmox.com> 
À: "aderumier" <aderum...@odiso.com> 
Cc: "Wolfgang Bumiller" <w.bumil...@proxmox.com>, "pve-devel" 
<pve-devel@pve.proxmox.com> 
Envoyé: Mercredi 19 Octobre 2016 10:18:41 
Objet: Re: [pve-devel] [PATCH 1/3] add live storage migration with vm migration 

> On October 19, 2016 at 9:26 AM Alexandre DERUMIER <aderum...@odiso.com> 
> wrote: 
> 
> 
> >>What about the suggestion from Wolfgang: "make drive-mirror write to both 
> >>disks" 
> >>(local and remote) 
> >> 
> >>I guess that would solve the whole problem? 
> 
> Do you mean, keep the drive-mirror running (no block-job-complete), then do 
> the vm live migration, 
> 
> and after vm live migration (just before unpause target, and stop sourvm), do 
> the block-job-complete on source vm ? 

Something like that - not sure if that is possible? 

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