Hello, 
I need help in using postgresql 8.4 data in postgres 9.4 version. Do I 
need to run any tool to achieve the same?

Steps i followed is ran postgresql 8.4 and 9.4, copied data from 8.4 
instance to 9.4 and try to start postgresql 9.4 but no luck, getting below 
error.

[root@ms-esmon esm-data]# su - postgres -c 
"/opt/rh/rh-postgresql94/root/usr/bin/postgres -D 
/var/ericsson/esm-data/postgresql-data/ 2>&1 &"
[root@ms-esmon esm-data]# LOG:  skipping missing configuration file 
"/var/ericsson/esm-data/postgresql-data/postgresql.auto.conf"
2018-04-16 06:52:01.546 GMT  FATAL:  database files are incompatible with 
server
2018-04-16 06:52:01.546 GMT  DETAIL:  The data directory was initialized 
by PostgreSQL version 8.4, which is not compatible with this version 
9.4.9.


With Best Regards
Akshay
Ericsson OSS MON
Tata Consultancy Services
Mailto: akshay.ballarp...@tcs.com
Website: http://www.tcs.com
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