[DRBD-user] "BAD! BarrierAck"... after split brain.

Jose Ildefonso Camargo Tolosa ildefonso.camargo at gmail.com
Tue Aug 13 16:16:25 CEST 2013

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


To answer myself on this, I commented-out these settings from
configuration, and this started to work again:

disk-barrier no;
disk-flushes no;
disk-drain no;

Still, I would like to know your opinion on this, why would this settings
cause such a message? and, why only after a failure?



On Mon, Aug 12, 2013 at 5:39 PM, Jose Ildefonso Camargo Tolosa <
ildefonso.camargo at gmail.com> wrote:

> Hi!
> I had a server issue recently that produced an split brain (no big deal
> this far), however, when I tried to resync, I started to see this messages
> in new master server:
> d-con shared: BAD! BarrierAck #547846 received, expected #547845!
> Where the first number is always greater than the second by 1.
> This is Kernel 3.10.5, in-kernel DRBD 8.4.3.
> Any ideas?
> Thanks!
> Ildefonso.

Ildefonso Camargo
Command Prompt, Inc. - http://www.commandprompt.com/
PostgreSQL Support, Training, Professional Services and Development
High Availability, Oracle Conversion, Postgres-XC
@cmdpromptinc - 509-416-6579
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