Subject Re: [firebird-support] Firebird SQL Clustering questions
Author Dmitry Yemanov
pet_predrag wrote:
> So my idea is to implement GFS on the shared storage (/shared/db) and
> then create two quorums one for one cluster, and the other for the
> second cluster. After that I would register the following into a
> cluster service:
> - Shared IP address
> - Shared Storage
> - Firebird init.d script

I'm afraid it won't work. The Classic processes should be able to
synchronize the logical I/O operations (page reads/writes) in order to
perform properly. It's done by the integrated lock manager, but it
cannot work between cluster nodes. As soon as the lock manager is
enhanced (or better say fixed) to delegate the calls to the external
distributed lock manager (e.g. RedHat DLM), this would become a workable