I am in the process of reviewing the procedure necessary for upgrading
Oracle 7.3.3 to Oracle 7.3.4.  Part of the procedure involves removing
any symbolic link references in the ORACLE_HOME directory and replacing
them with the actual files they pointed to.  All of our data files under
the dbf/ directory are configured this way, however.  Some questions and
comments:

1. Why is this necessary during the upgrade procedure?
2. If I do not have the disk space to move the files, can I not perform
the upgrade?
3. Is this simply Oracle being conservative and making sure we don't
have any invalid links during the upgrade, which would potentially cause
problems?
4. Are there any documents or FAQs that I can reference in regards to
this upgrade or Oracle upgrades in general?

I would like to avoid any 'gotchas' regarding this procedure if at all
possible.

Thanks in advance!

Jay T. Millar

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