[DRBD-user] testing drbd without real deices

Martin Gombac martin at isg.si
Mon Jul 27 14:18:50 CEST 2009

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

In my humble opinion, drbd does't crash if you loose network  
connections. :-)
Would be a first in history.
Maybe heartbeat puts both sources to primary and when they join you  
got split brain.
In this case you didn't set up heartbeat correctly.


On 27, Jul2009, at 1:47 PM, Heiko wrote:

> Hello,
> i have to convince my boss that our server crashes i reported on  
> this list are due
> to a non exsiting dedicated line! We have all our drbd traffic  
> routed through switches
> and they often just crash.
> Now I have to create a test setup to show them that when I plug the  
> corg/shutdown the networkdevice
> the machines tend to crash.
> Since I dont have any spare machines I would like to use loopback  
> devices,
> are these supported by now? I found some list entries that say this  
> is not supported by drbd!
> would this be enough to get the machines crashing?
> We use drbd8.0 and 8.2 and have on both these crashes.
> cheers.
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