On 20/03/2014 09:51, Chris Tothill wrote:
Since no-one else has replied...

I replied to this off-list.

I can't see any reason why it shouldn't work with a routed address (provided of course that your router/firewall passes traffic on the correct TCP ports) since it's just sending IP packets- it doesn't matter how they make the trip, just that they do. Performance might be questionable depending on the speed of the link. The danger of split brain would be severe- you'd need good fencing, as everyone always says! Personally I prefer to have the DR site have a regular snapshot of the data rather than a live copy in case of corrupted data being written to all your copies and then having to recover from backup, but it depends entirely on your application.
Chris

+1. Only other thing to add here is you might also want to look at drbd-proxy depending on the size of the replication link
and the rate of data change.


--------------------------
Christopher Tothill
Senior IT Support Specialist
University of Bristol
---------------------------


On 18 March 2014 16:53, gerry kernan <[email protected]> wrote:

Hi

 

I hope this is not a completely dumb question, I have a 3 way replication cluster setup and it is running well no problems. I now wish to move the 3rd node to a datacentre for DR. can I use a routed address in the drbd resource conf file as the IP address on the 3rd node or do the addresses have to be on the same subnet.

 

 

Best Regards,

 

Gerry Kernan

InfinityIT

 

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