Hi list: I've recently started to read about the Redhat's implementation of DLM that David posted on LKML. I've few questions: 1. There is no lock timeout imeplemented (at least from API point of view). Is this something you plan to add? Is there any draft of the design? 2. With no lock timeout in DLM, how does upper-layer applications (like GFS) implement such lock timeout (or does GFS also have no timeout)? One thought is that it could has its own timer and when it expires just cancel the pending lock. 3. How much does DLM do wrt deadlock detection? Especially when it doesn't have timeout. Is it solely the application's responsibility to detect it? 4. This is not a technical question. I'm trying to convince our management to use DLM, so I'd like to know how stable it is and on what kind of scale the Redhat clustering solution is being used by the enterprise. Is it stable enough in production (data like average uptime, etc)? Thanks for your help. Hua -- Linux-cluster@xxxxxxxxxx http://www.redhat.com/mailman/listinfo/linux-cluster
