> On 24 Sep 2016, at 13:06, Vladimir Sementsov-Ogievskiy <vsementsov@...2723...9...> wrote: > > Note: if disk size is not aligned to X we will have to send request larger than the disk size to clear the whole disk. If you look at the block size extension, the size of the disk must be an exact multiple of the minimum block size. So that would work. -- Alex Bligh