Hi Wayne!
The functionality you are talking about is offered by ADSM too. It's part of
the Disaster Recovery Manager and it actually consists of 6 disks.
You can read all about it in the DRM Stand-alone Dump and Restore manual
which you can find at:
http://www.storage.ibm.com/software/adsm/pubs/v3pubs/aix/pdf/admdrmdi/a45cdr
m0.pdf
Kindest regards,
Eric van Loon