Re: [Qemu-devel] KVM call agenda for Tuesday 28th

[Stefan Hajnoczi]

On Tue, Feb 28, 2012 at 2:47 PM, Paolo Bonzini <address@hidden> wrote:
> Il 28/02/2012 15:39, Stefan Hajnoczi ha scritto:
>> I'm not a fan of transactions or freeze/thaw (if used to atomically
>> perform other commands).
>>
>> We should not export low-level block device operations so that
>> external software can micromanage via QMP.  I don't think this is a
>> good idea because it takes the block device offline and possibly
>> blocks the VM.  We're reaching a level comparable to an HTTP interface
>> for acquiring pthread mutex, doing some operations, and then another
>> HTTP request to unlock it.  This is micromanagement it will create
>> more problems because we will have to support lots of little API
>> functions.
>
> So you're for extending Jeff's patches to group mirroring etc.?
>
> That's also my favorite one, assuming we can do it in time for 1.1.

Yes, that's the approach I like the most.  It's relatively clean and
leaves us space to develop -blockdev.

Stefan