Lately, built a HADR under purescale, however I could not make the ROS working.Searched internet, and found out it is not support; 唉Anyway, here are the restrictions from IBM document:"There are a number of restrictions that you should be awareof if...(more)
To the essence, the impacts of DB2_PARALLEL_IO registry variable are:
(1) affecting NUM_IOSERVERS value, if it’s set to AUTOMATIC;
(2) affecting PREFETCHSIZE of tablespaces, if it’s et to AUTOMATIC;
(3) affecting prefetch request size of tablespace...(more)
DB2 pureScale is first introduced on IBM PowerHA based architecture to create shared-disk clusters. This inherits Parallel Sysplex technology from DB2 z/OS, so "the parentage is noble", and the actual availabilty and scalibity is much better than Ora...(more)