Eric Blake <ebl...@redhat.com> wrote: > On 05/16/2017 11:42 AM, Markus Armbruster wrote: > >>>> Well, to suggest something, I'd first have to figure out WTF incremental >>>> block migration does. Your text helps me some, but not enough. What >>>> exactly is being migrated, and what exactly is assumed to be shared >>>> between source and destination? >>>> >>>> Block migration is scandalously underdocumented. >>> > >> Can you draft a documentation comment for @block-incremental? > > How about: > > @block-incremental: Affects how much storage is migrated when the block > migration capability is enabled. When false, the entire storage backing > chain is migrated into a flattened image at the destination; when true, > only the active qcow2 layer is migrated and the destination must already > have access to the same backing chain as was used on the source. > (since 2.10)
Changed. Thanks.
