An administrator of IBM Tivoli Storage Manager schedules a migration to move data from the DISKPOOL to TAPEPOOL for local sequential copy, but he also wants to keep the data on DISKPOOL for faster restore to improve performance. Which option will accomplish this task?

A.
CHANGE STGPOOL DISKPOOL ACCESS=READWRITE NEXTSTGPOOL=TAPEPOOL HIGHMIG=0 LOWMIG=0 CACHE=YES MIGPROCESS=2 MlGCONTINUE=YES

B.
UPDATE STGPOOL DISKPOOL ACCESS=READWRITE NEXTSTGPOOL=TAPEPOOL HIGHIMIG=0 LOWMIG=0 CACHE=YES MIGPROCESS=2 MlGCONTINUE=YES

C.
UPDATE STGPOOL DISKPOOL ACCESS=READWRITE NEXTSTGPOOL=TAPEPOOL HIGHMIG=50 LOWMIG=50 CACHE=NO MIGPROCESS=2 MIGCONTINUE=YES

D.
CHANGE STGPOOL DISKPOOL ACCESS=READWRlTE NEXTSTGPOOL=BACKPOOL HIGHMIG=100 LOWMIG=100 CACHE=YES MIGPROCESS=2 MlGCONTINUE=YES

Explanation: