> -----Original Message----- > From: Stefan Hajnoczi [mailto:stefa...@gmail.com] > Sent: Donnerstag, 22. November 2012 13:45 > To: Dietmar Maurer > Cc: qemu-devel@nongnu.org; kw...@redhat.com > Subject: Re: [Qemu-devel] [PATCH 1/5] RFC: Efficient VM backup for qemu > (v1) > > On Thu, Nov 22, 2012 at 11:26:21AM +0000, Dietmar Maurer wrote: > > > Did you look at the VMDK "Stream-Optimized Compressed" subformat? > > > > > > > http://www.vmware.com/support/developer/vddk/vmdk_50_technote.pdf? > > > src=vmdk > > > > > > It is a stream of compressed "grains" (data). They are out-of-order > > > and each grain comes with the virtual disk lba where the data should > > > be visible to the guest. > > > > > > > What kind of license is applied to that specification? > > The document I linked came straight from Google Search and you don't need > to agree to anything to view it. The document doesn't seem to impose > restrictions. QEMU has supported the VMDK format and so have other open > source tools for a number of years. > > For anything more specific you could search VMware's website and/or check > with a lawyer.
The documents says: VMware products are covered by one or more patents listed at http://www.vmware.com/go/patents I simply do not have the time to check all those things, which make that format unusable for me. Anyways, thanks for the link.
