Re: [Qemu-devel] [PATCH v4 3/6] add backup related monitor commands

[Dietmar Maurer]

> > > Is it using 64 KB writes and have you tried 256 KB writes?
> >
> > I use a modified 'qemu-img convert' at 64KB block size (I need 64KB for
> backup).
> 
> Maybe you'd better use a different output format that doesn't restrict you to
> 64k writes.

The output format is not really the restriction. The problem is that an 
additional
IPC layer add overhead, an d I do not want that (because it is totally 
unnecessary).