Problems FC2 test2 update the FC2 test1 in postgresql 7.4

[Jesus Matrix]

Hi:   Im have problems when startup Database postgresql , the messages is:

[root at toshiba ]# service postgresql start

An old version of the database format was found.\nYou need to upgrade the 
data
format before using PostgreSQL.\nSee (Your System's documentation
directory)/postgresql-7.4/README.rpm-dist for more information.

Helpme please , Any Idea?

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