> A) if that you say is correct, why when i do the things in this order the VM start more faster? I'm not sure if it is tunable. > B) Why I don't get to have OOS in DRDB when the verification of replicated volumes to finished? (this test is run a time for week automatically) Depends on OS type (Windows? Linux?), OS configuration (Write cache without barriers? Swap partition?), and OS usage (does it use swap or it is free most of the time?).