[DRBD-user] io error when mounting drbd device

Felix Frank ff at mpexnet.de
Fri Feb 17 12:27:42 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.

On 02/17/2012 12:12 PM, David Coulson wrote:
> I would bet there is a 'PingAck' error somewhere,

More specifically: You're running dual-primary. That means *any* hiccup
in your replication link will instantly split-brain your cluster as far
as DRBD is concerned.

Fencing/Stonith is indeed paramount.

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