It's the volume database that gets upgraded.  It's a very, very small
part of your catalog.  See /usr/openv/volmgr/database/vsnDB.

Sokolowski Ric-ERS004 writes:
> We're (finally) upgrading from NB3.2 to 3.4 (HP-UX 11.x).  I've read 
> somewhere that the catalog
> database is reformatted during this upgrade.  My question is, does the 
> catalog database have to
> be completely uncompressed to perform the upgrade?  Our compressed catalog is 
> a bit larger
> than 70GB, uncompressed (I'm guessing) would be >250GB.  I'll need to prepare 
> sufficient disk
> space if this needs to be done.
> 
> --
> Regards,
> 
> Ric Sokolowski (Ric.Sokolowski AT motorola DOT com)
> Staff Systems Engineer
> Phone: (954) 723-6332  Pager: 8776050503 AT skytel DOT com
> Motorola, Inc.  / CGISS / Enterprise Computing
> 8000 West Sunrise Blvd, MS 22-2F, Plantation, FL 33322
> 
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-- 
Larry Kingery 
             ... File not found. Should I fake it? (Y/N)