Hi everyone,

We will be shortly be helping with a DataDomain (DD)
installation, and we are looking for how best to move
the primary pool from the old tape pool to the DD.
The DD will be used as a NAS device via a file type pool.

Currently, there is the normal DISK->TAPE hierarchy
of primary pools with the need to get to DISK->DD.


1)  use movedata

chg DISK nextpool to DD
chg DD nextpool   to TAPE
movedata from TAPE to DD

current:     DISK->TAPE
transition:  DISK->DD->TAPE   movedata TAPE back to DD to clear out old
pool
final:       DISK->DD

We control the movedata process with scripts.


2)  use migration

chg DISK nextpool to DD
chg TAPE nextpool to DD
migration from TAPE to DD

current:     DISK->TAPE
transition:  DISK->DD<-TAPE   migrate TAPE to DD to clear out old pool
final:       DISK->DD

Migration runs process automatically.


3)  Other ???????

Are they any other ways do this?


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