Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
Hi,
On 06/05/2012 06:08 PM, Luca Fornasari wrote:
>> I'm not 100% certain, but the idea is begging the question: Which of
>> your primaries should be the prospective peer of your third node?
>>
>
> I belive I'm missing some important point.
> Let's use the diagram reachable at
> http://www.drbd.org/users-guide-8.3/s-three-way-repl.html
>
> In my setup I can see the upper layer resource on "primary" and "backup"
> but have no idea how to access the resource on "secondary" in case
> primary crashes.
> Shoul I access the lower layer resource on "secondary" (after promoting
> it to primary)?
no. After promoting the lower layer resource, you (or rather, your
cluster manager) configures the upper level resource on the respective
node and makes it primary.
The remote node ("backup") connects to a floating IP that also migrates
to the second node.
Hope that makes things a little clearer.
Cheers,
Felix