Re: KVM Block Device Driver

Stefan Hajnoczi
2013-08-14T14:07:32Z

On Wed, Aug 14, 2013 at 07:29:53AM -0400, Spensky, Chad - 0559 - MITLL wrote:
> We are trying to keep an active shadow copy while the system is running
> without any need for pausing. More precisely we want to log every
> individual access to the drive into a database so that the entire stream
> of accesses could be replayed at a later time.

CCing Wolfgang Richter who was previously interested in block I/O
tracing:
https://lists.nongnu.org/archive/html/qemu-devel/2013-05/msg01725.html

Stefan