[pve-devel] livemigration with qcow2 writeback, potential cache coherency problem

[Alexandre DERUMIER]

>>Yes. Please can you assemble a patch? 

Sure, no problem.

Do you want:

default (cache=none) : no cache option in config

then:

force ",cache=none" in drive command line options ?



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

De: "Dietmar Maurer" <dietmar at proxmox.com> 
À: "Alexandre DERUMIER" <aderumier at odiso.com>, pve-devel at pve.proxmox.com 
Envoyé: Vendredi 22 Février 2013 12:46:02 
Objet: RE: [pve-devel] livemigration with qcow2 writeback, potential cache coherency problem 

> Hi, I have just found on qemu-mailing list that live migration of qcow2 with 
> writeback, can cause problems. 
> Maybe also for other network storage. 
> 
> 
> So maybe is better to keep cache=none as default for all storages ? 

Yes. Please can you assemble a patch?