[ClusterLabs] Question on sharing data with DRDB

Valentin Vidic Valentin.Vidic at CARNet.hr
Wed Mar 20 14:00:07 EDT 2019

On Wed, Mar 20, 2019 at 01:47:56PM -0400, Digimer wrote:
> Not when DRBD is configured correctly. You sent 'fencing
> resource-and-stonith;' and set the appropriate fence handler. This tells
> DRBD to not proceed with a write while a node is in an unknown state
> (which happens when the node stops responding and is cleared on
> successful fence).

The situation I had in mind is this: node1 is Primary and sends a write to
local disk and over the DRBD link. The network fails so the write is
successfull only on the local disk. node1 is than fenced and node2 takes
over but the disk have now diverged.


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