The scene environment: the original is: db2 9.1 for aix; Now environment: db2 9.7 for Linux
Problem description: how will the aix db2 9.1 for aix single table space backup database, according to a single table space reduction to db2 9.7 for Linux system, has an offline backup in aix 9.1 environment, a single table space under Linux 9.7 database to perform the following command:
$db2 "restore the db mis rebuild with in tablespace (syscatspace, TS_MIS) seems at 20180701102633"

Execute command prompt error:
SQL2547N The database was not restored because The backup image is from a previous release and The requires rollforward recovery.
Database have not recovered, because the backup image from a previous version, need to roll forward recovery,

What is the reason, how to restore single table space? thank you