On 05.07.19 22:16, John Snow wrote: > This adds an "always" policy for bitmap synchronization. Regardless of if > the job succeeds or fails, the bitmap is *always* synchronized. This means > that for backups that fail part-way through, the bitmap retains a record of > which sectors need to be copied out to accomplish a new backup using the > old, partial result. > > In effect, this allows us to "resume" a failed backup; however the new backup > will be from the new point in time, so it isn't a "resume" as much as it is > an "incremental retry." This can be useful in the case of extremely large > backups that fail considerably through the operation and we'd like to not > waste > the work that was already performed. > > Signed-off-by: John Snow <js...@redhat.com> > --- > block/backup.c | 27 +++++++++++++++++++-------- > qapi/block-core.json | 5 ++++- > 2 files changed, 23 insertions(+), 9 deletions(-)
Reviewed-by: Max Reitz <mre...@redhat.com>
signature.asc
Description: OpenPGP digital signature
