dm-thin: commit metadata bug
On Fri, Aug 05, 2011 at 08:59:09AM -0400, Mikulas Patocka wrote:
> There is a bug in committing metadata --- you can't commit metadata if
> there is any copying or zeroing in flight. The problem is that in this
> case, the block you are copying to is already allocated, but it is not
> linked anywhere in the metadata. So it creates lost blocks in case of
> crash.
Yes, well known and documented. We take this hit, fsck will repair.
- Joe
--
dm-devel mailing list
dm-devel@redhat.com
https://www.redhat.com/mailman/listinfo/dm-devel
|
