Chapter 2. Introducing IMS data sharing 41
Image Copy 2 utility (DFSUDMT0) is a new form of image copy that produces an image
copy with high performance with no or minimal database data set outage. The fuzzy image
copy option allows the database data set to be copied to remain fully accessible by the
online system(s). A clean image copy does require a short outage (a few seconds). Image
Copy 2 utility utilizes SMS concurrent copy and supports all types of database data set
organizations (KSDS, ESDS, and OSAM) used by IMS.
Open Database Access (ODBA)
Open database access provides a callable DL/I interface from application execution
environments outside the scope of IMS control, such as DB2 Stored Procedures,
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