[pve-devel] RFC: qemu-server : add cloudinit support

[Alexandre DERUMIER]

>>I am not sure about that. What if the generated iso image is not 100% identical?
>>Can this
>>crash the iso fs driver inside the VM?

I'll try that tomorrow.

Another easy way, could be a simple rsync of the iso to target local storage when live migration begin.



----- Mail original -----
De: "dietmar" <dietmar at proxmox.com>
À: "Wolfgang Bumiller" <w.bumiller at proxmox.com>, "aderumier" <aderumier at odiso.com>
Cc: "pve-devel" <pve-devel at pve.proxmox.com>
Envoyé: Lundi 15 Juin 2015 16:36:14
Objet: Re: [pve-devel] RFC: qemu-server : add cloudinit support

> >>-) For migration support: if we by default keep the config drives around 
> >>they need to be stored somewhere on a shared storage. So we need an 
> >>option to configure which storage the ISOs end up on. Then they'd appear 
> >>in the template/iso/ directory of the configured storage, which has to be a 
> >>shared one if you want to be able to migrate. The images are tiny anyawy 
> >>(more filesystem overhead than actual data when they only contain 
> >>network configuration.) 
> 
> It could be great to get this working without shared storage 
> (For users with ceph/rbd, zfs iscsi shared storage for example). 
> 
> I think that re-generate the configdrive on target host,with same 
> config,should work. 

I am not sure about that. What if the generated iso image is not 100% identical? 
Can this 
crash the iso fs driver inside the VM?