Re: [Qemu-devel] [RFC] live snapshot, live merge, live block migration

[Jes Sorensen]

On 05/09/11 15:40, Dor Laor wrote:
> Summary:
>   * We need Marcelo's new (to come) block copy implementation
>     * should work in parallel to migration and hotplug
>   * General copy on read is desirable
>   * Live snapshot merge to be implemented using block copy
>   * Need to utilize a remote block access protocol (iscsi/nbd/other)
>     Which one is the best?
>   * Keep qemu-img the single interface for dirty block mappings.
>   * Live block migration pre copy == live copy + block access protocol
>     + live migration
>   * Live block migration post copy == live migration + block access
>     protocol/copy on read.
> 
> Comments?

I think we should add Jagane Sundar's Livebackup to the watch list here.
It looks very interesting as an alternative way to reach some of the
same goals.

Cheers,
Jes