> Do I need to be aware of anything ?
>
> I already have the allocated logical volumes for tsm db setup.
>
> /dev/vx/rdsk/datadb/tsmdbvol02, but it is not defined as tsm volume
>
> Steps I was going to follow:
>
> 1. Backup devconfig
> 2. Backup volhist
>
> 3. Backup db --> ba db devc=3584mclass type=full
>
> 4. Define vol --> define dbvol /dev/vx/rdsk/datadb/tsmdbvol02 80G
>
> 5. Extend db 20 (that's all I need for now
>
> I think that should work, please let me know if I missed anything

If you use a combination of full and incremental backups of the TSM
database you will need to perform a full backup after the extension
and before any further incremental backups.