ADVFS queries

Hello! I have a couple of ADVFS questions  -

Environment: Tru64 v 5.1B

1. We use ADVFS and have partitioned disks. I need to enlarge an 
existing domain say -  'DOMAIN A' which is currently entirely on 
partition 'dsk13h'. However the only free partition available on the 
machine is 'dsk11f'. Ideally I understand it may not be desirable to 
have 'partitions' from different disks to enlarge a domain (though 
having multiple entire disks is fine).  Question - Is it ok to add 
partition 'dsk11f' to enlarge the domain?Any tips/suggestions on this 
approach?

2.  Would like to confirm that you cannot increase the size of the root 
domain by adding a volume (disk or partition).

Thanks in Advance,

- Mathew Abraham
SUNY Rockland Community College,
Suffern, NY