Db2 distributes existing data among all containers when a new container is added. No easy way to drop a container; if you want to recover disk space, try resizing the containers to a smaller value; this will definitely work if you REORG the tablespace.
hi my db2level is
DB21085I Instance "db2p01" uses "64" bits and DB2 code release "SQL08023" with
level identifier "03040106".
Informational tokens are "DB2 v220.127.116.11", "s050811", "U803920", and FixPak
Product is installed at "/usr/opt/db2_08_01".
anyway .. i manage to delet it.. the reason it refuse to delet at the first time.. because the disk on rebalancing mode,