IBM had recommended the following command to enable DAOS:
This enables DAOS and enables attachment compression at the same time.
load compact mailexample.nsf -c -ZU -DAOS
The new recommendation is to perform 2 compacts.
First, enable compression and then enable DAOS. This is critical for customers which have upgraded from 6.5x to 8.5
load compact mailexample.nsf -c -ZU
load compact mailexample.nsf -c -DAOS
Supporting information http://www-01.ibm.com/support/docview.wss?uid=swg21409278
The information above is from TN 1411563
