Mario Holbe <Mario.Holbe@xxxxxxxxxxxxx> wrote: > Peter T. Breuer <ptb@xxxxxxxxxxxxxx> wrote: > > Lars Marowsky-Bree <lmb@xxxxxxx> wrote: > >> Split-brain is a well studied subject, and while many prevention > >> strategies exist, errors occur even in these algorithms; > > Show me how :-(. The algorithm is perfectly simple: block, flush one, > > stop one, start one, unblock. > > Sorry, but this is perfectly nonsense. > As long as you have no exactly-once semantics in distributed > environments, your simple algorithm is simply able to fail. You DO have "exactly once" semantics. Writes go to the ONE place that is live. Notice that in my algorithm there are no two live things at once. Peter - To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
