[DRBD-user] DRPD + DOPD Not Recovering from Replication Link Failure

Art Age Software artagesw at gmail.com
Mon Jul 14 00:13:21 CEST 2008

Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.


I have set up drbd + dopd according to the User's Guide and am
attempting to test according to the instructions as follows:


1. "To test whether your dopd setup is working correctly, interrupt
the replication link of a configured and connected resource while
Heartbeat services are running normally. You may do this by either
physically unplugging the network link, or by running ifconfig
interface down on the interface used for DRBD replication."

OK, I successfullly bring down the replication interface (via ifconfig).


2. "After this, you will be able to observe the resource connection
state change from Connected to WFConnection. Allow a few seconds to
pass, and you should see the disk state become Outdated/DUnknown. That
is what dopd is responsible for.
Any attempt to switch the outdated resource to the primary role will
fail after this."

Looking good at this point.

Primary node now shows: "0: cs:StandAlone st:Primary/Unknown
ds:UpToDate/Outdated   r---"

Secondary node now shows: "0: cs:WFConnection st:Secondary/Unknown
ds:Outdated/DUnknown C r---"


3. "When re-instituting network connectivity (either by plugging the
physical link or by issuing ifconfig interface up), the connection
state will change to Connected, and then promptly to SyncTarget
(assuming changes occurred on the primary node during the network
interruption). Then you will be able to observe a brief
synchronization period, and finally, the previously outdated resource
will be marked as UpToDate again."

OK, I successfully bring the replication interface back up. BUT, the
drbd states never change back to "Connected." They remain as above
(cs:StandAlone/cs:WFConnection) forever.

What am I doing wrong? Version of DRBD is 8.0.12. Version of Heartbeat is 2.1.3.

Thanks.



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