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Once a first-generation copy is created, second-generation copies can be created. This action is considered to be repurposing a first-generation copy. Initiating a second-generation repurposing job is achieved by selecting the first-generation copy under Copy Management > Copies, and selecting CREATE 2ND GEN COPY as seen in Figure 19.
File system repurposing is different than SQL Server and Oracle repurposing, especially when it comes to creating second-generation copies. To create second-generation copies of a set of file systems, go to one of the file systems to view its copies, select the copy, and click CREATE 2ND GEN COPY as seen in Figure 20.
Copies which have been repurposed together as first-generation copies are repurposed together as second-generation copies. This means that a second-generation copy incorporates all the file systems that the first-generation copy created.