DB2 9 & 10 for z/OS Overview

Migration Planning WorkshopCOPY• Create transaction consistent image copies from a COPY SHRLEVELCHANGE run using Flashcopy– DB2 10 uses the Flashcopy copy to make a transaction consistent imagecopy.– Don’t have to wait for blockers. No application outage and no quiesce.– Uncommitted units of work are rolled back against the Flashcopy– Image copy is then taken from the Flashcopy– Objects must be SMS managed residing on FC v2 volumes• Improved dataset management & performance– Will not allocate incremental copy dataset unless copy taken– &ICTYPE now matches actual image copy• Regardless of the type specified on a template i.e. TYPE=C– Utilize RTS for CHANGELIMIT performance191© 2011 IBM Corporation