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Last Post 05/02/2006 1:50 PM by  John Henley
Migating from DB2 on zOS to UDB on AIX
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peterdouglashay
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05/01/2006 6:01 PM
    Has anyone tried this migration ? We are concerned that the Lawson Utilities may not be able to cope with the migration of EBCDIC to
    ASCII. How does it handle Packed Data fields ?
    Are there any issues we need to address ASAP ?
    We are getting "no problem" answers from Lawson
    Support but I have burnt too many times not to
    make sure with the rest of the customer base.
    Thanks.
    John Henley
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    05/01/2006 8:54 PM
    What process are you going to use to do the migration?
    1. Environment -> expsysdb -> copy to new Environment -> impexp?
    2. Product line -> dbcopy to new product line?
    3. dbreorg existing product line?
    If you're using any of the supplied Lawson utilities (i.e. the above processes), I agree with Lawson that you'll be fine.
    Thanks for using the LawsonGuru.com forums!
    John
    peterdouglashay
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    05/02/2006 11:43 AM
    We are still at the stage of examining
    the options for migration. We haven't tried
    anything because everyone has a different
    opinion. Another Lawson DB2 on zOS DBA told me to forget the Lawson utilities because they
    tried this migration and got so messed up
    they went back to IBM utilties and then
    re-pointed the application from the capital "IBM" file. The last Lawson Analyst who looked at this lowered her voice and said "you'd better get the data on to UDB
    yourself and then we can help" !!

    In other words, those who HAVE tried this have failed and Lawson themselves are running
    in the other direction which I might add they
    have done several times before. Did you know
    that Lawson only recently purchased a test zOS machine and yet claim to have supported it for years ? They had ONE Consultant,
    Nadir Doctor who really knew DB2 on zOS
    and he has been gone for 2 years now.

    We can try the Lawson only methods on Test
    machines but I was sure hoping that we would not be the very first to do this !!!



    John Henley
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    05/02/2006 1:50 PM
    Wow, I can certainly see why you're concerned!

    I have to admit I don't have any experience with DB2 on zOS, just with UDB, so I can't speak to the differences with any authority. I can say that for other databases, I have never had any problems--other than running out of disk space!--using the Lawson utilities to move the data between product lines.

    I would recommend setting up a test product line and attaching it to DB2 UDB and then using dbcopy to copy some data, say for a couple of key tables. That will at least give you an idea of whether it will work or not.
    Thanks for using the LawsonGuru.com forums!
    John
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