On Fri, Jun 29, 2012 at 1:47 PM, Atri Sharma <atri.j...@gmail.com> wrote:
> Hi, > > I am running PostgreSQL 9.1 currently and I want to run 9.2beta2 > simultaneously with it.Is it possible? > > Yes, You can have multiple PostgreSQL versions on same host. I downloaded the 9.2beta2 sources,untared them and ran > ./configure,make and make install without uninstalling 9.1. > ./configure --prefix=<new location of PostgreSQL 9.2 beta2 binaries> make make install <new location of PostgreSQL 9.2 beta2 binaries>/bin/initdb -D <new data directory location of 9.2beta2> modify "Port" number in postgresql.conf file located under <new data directory location of 9.2beta2> <new location of PostgreSQL 9.2 beta2 binaries>/bin/pg_ctl -D <new data directory location of 9.2beta2> start > > Now,when I am running pg_ctl start,I am getting the following error: > > pg_ctl start > server starting > gitc@ubuntu:~/Downloads$ FATAL: database files are incompatible with > server > DETAIL: The data directory was initialized by PostgreSQL version 9.1, > which is not compatible with this version 9.2beta2. > > Please help me.What should I be doing to recover from this error and > get back to 9.1? > > Suspecting for this error message is, binaries upgraded upto 9.2beta2 & PostgreSQL instance running with PostgreSQL 9.1 binaries and again you are trying to start instance with pg_ctl of 9.2beta2 binary. -- Thanks & Regards, Raghu Ram