Incremental image copies with COPYTOCOPY
You can use COPYTOCOPY to make an incremental image copy. An incremental image copy is a copy of the pages that have changed since the last full or incremental image copy.
To make a copy of an incremental image copy, use the keyword FROMLASTINCRCOPY.
The following example control statement specifies that COPYTOCOPY is to make a local site backup image copy, a recovery site primary image copy, and a recovery site backup image copy from an incremental image copy.
COPYTOCOPY TABLESPACE DSN8D13A.DSN8S13E
FROMLASTINCRCOPY
COPYDDN(,COPY2)
RECOVERYDDN(COPY3,COPY4)