[ClusterLabs] Question on sharing data with DRDB

[Valentin Vidic]

On Wed, Mar 20, 2019 at 07:31:02PM +0100, Valentin Vidic wrote:
> Right, but I'm not sure how this would help in the above situation
> unless the DRBD can undo the local write that did not succeed on the
> peer?

Ah, it seems the activity log handles the undo by storing the
location of these dirty blocks (not replicated properly):

  https://docs.linbit.com/docs/users-guide-8.4/#s-activity-log

So on resync these blocks would get copied from the new primary.

-- 
Valentin