数据库重定向恢复步骤：
a、db2 backup db misdb to yourpath;
b、db2 restore db misdb from yourpath redirect;
c、db2 set tablespace containers for tablespace-id using
   (file 'd:\data\misrgl1.dat' container-size,file  'd:\data\misrgl2.dat' container-size)
d、db2 restore db misdb continue;