[DRBD-user] drbd not syncing and showing update state

Kaloyan Kovachev kkovachev at varna.net
Thu Jan 19 10:41:00 CET 2012

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


Hi,

On Thu, 19 Jan 2012 10:29:28 +0100, marc genou <marcgenou at gmail.com>
wrote:
> Hi
> 
> We are using drbd alongside with heartbeat and pacemaker in a lot of
> machines
> drbd 8.3
> pacemaker 1.0.11
> heartbeat 3.x
> 
> We are having serious problems with the sync. In all these different
types
> of environments some of the drbd devices seems to be updated in the
> secondary node but the real copy that they are keeping is outdated (a
month
> ago or even more) suddenly something happen and we find that the sync
from
> the secondary is restoring outdated data.
> 
> If you need more data, please ask me.

You do not have (properly setup) fencing and this causes a split brain,
because when the connection is lost the secondary keeps running without
being outdated



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