보통 위와 같은 경우는 migration이라는 것이 있지만

버전 7에서 받은 백업 이미지가 버젼 8에서 리스토어가 가능한지 궁금합니다.

문서에보면 가능하다고 나온것 같은데 확실치가 않아서요.

The restore utility can also be used to restore backup images that were produced on a previous version of  DB2 UDB (up to two versions earlier) as long as the word size (32-bit or 64-bit) is the same. Cross-platform restore operations from a backup image created with a previous version of DB2 UDB are not supported.  If a migration is required, it will be invoked automatically at the end of the restore operation.