[DRBD-user] Adding a third node

Paul O'Rorke paul at tracker-software.com
Wed Sep 25 00:28:18 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.


Hi all,

I have a 2 node set up with both nodes in my server room using a GB 
Ethernet direct connection between NICs for the DRBD resources using 
Protocol C and single primary. It's working nicely.

We want now to add a third node using probably Protocol A at an off site 
location to be used primarily for disaster recovery should the office 
burn to the ground...

I used a direct CAT6 connection between the first 2 nodes and I want to 
extend that now to do exactly this: 
http://www.drbd.org/users-guide-8.3/s-three-way-repl.html but I'm 
struggling to find documentation on how to move forward with that given 
I already have the "Lower Layer" in place and functional.

Any suggested reading/resources would be appreciated, I'm a little 
concerned that I should have started out with a stacked set up in the 
first place. Is it possible to add this to an existing set up?

Please and thanks

-- 

*Paul O’Rorke*
Tracker Software Products
paul at tracker-software.com <mailto:paul.ororke at tracker-software.com>




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