Re: [Qemu-block] [PATCH COLO v3 01/14] docs: block replication's description

[Wen Congyang]

On 04/24/2015 05:36 PM, Paolo Bonzini wrote:
> 
> 
> On 24/04/2015 11:38, Wen Congyang wrote:
>>>>
>>>> That can be done with drive-mirror.  But I think it's too early for that.
>> Do you mean use drive-mirror instead of quorum?
> 
> Only before starting up a new secondary.  Basically you do a migration
> with non-shared storage, and then start the secondary in colo mode.
> 
> But it's only for the failover case.  Quorum (or a new block/colo.c
> driver or filter) is fine for normal colo operation.

Is nbd+colo needed to connect the NBD server later?

Thanks
Wen Congyang

> 
> Paolo
> .
>