From:	Sandy Cottingham on 12/11/2001 07:18 PM

Rick,
After I left the computer I decided the best thing to do was the following:
   logon as root
   cd /usr/lpp/db2_07_01/instance/./db2ilist     To list the instances on this
                                                 machine ...there was only inst1 
   ./db2idrop inst1  drop the instance since it was all hosed up
   ./db2icrt  -a server -u db2fenc1 inst1     ...recreate the instance 
   su - inst1      
   db2start    ...worked like a champ but it had semi-forgotten about the databases

To catalog japionc database
   db2 catalog db japionc as japionc on /home/inst1        
To catalog was database
   db2 catalog db was as was on /home/inst1

now you can do a db2 connect to japionc and it comes up fine and shows 
you are using db2 7.2.0
same for was ...

Now you can upgrade to fixpak 4 if you want ...
   su - inst1
   db2 terminate
   db2stop
   db2licd end
   exit
logon as root  ...install the updates 
once fixpak is done, still as root
   cd /usr/lpp/db2_07_01/instance     
   ./db2iupdt inst