[DRBD-user] The old question: drbd on lvm or vice versa?

Bart Coninckx bart.coninckx at telenet.be
Thu May 27 11:08:38 CEST 2010

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


On Thursday 27 May 2010 10:22:09 Gianluca Cecchi wrote:
> On Wed, May 26, 2010 at 8:03 PM, Bart Coninckx 
<bart.coninckx at telenet.be>wrote:
> > yes. Heartbeat activates the LV on the primary node.
> >
> > On Wednesday 26 May 2010 19:56:23 Lee Riemer wrote:
> > > So you do this per node?
> > >
> > > [ LVM <-> DRBD <-> LVM ]
> 
> And the low level LVM part is independent on the two nodes.
> This way no CLVMD needed as it not necessary in this case, correct?
> Gianluca
> 

No, I wouldn't see why. DRBD needs two independant low level storage devices 
in order to replicate. They are accessed by two seperate instances of DRBD, 
hence not needing any locking mechanism.

B.



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