New answers tagged upgrade
(since I don't have enough reputation for a comment, I'll have to post an answer) service postgresql-9.4 initdb didn't work for me, I had to use sudo /usr/pgsql-9.4/bin/postgresql94-setup initdb (found here). Thanks for the great instructions, I was able to update from 9.2 to 9.4 without any issues, even though I had to reconfigure my pg_hba.conf file, ...
You should download only the combo patch - in essence it is the two other - DB and OJVM patches bundled in one archive. After that the patching sequence is as follows: Apply the DB PSU, but do not run any post-install steps Apply the Java PSU Run the Java PSU post-install steps Run the DB PSU post-install steps Take a look at the following support note: ...
Install the first one, that is a combo patch that includes the latest versions of all the others. The others are just the seperate PSU or OJVM patches.
Reverting to a valid backup is the most common and safest approach. You can reduce risk and likelihood of needing to restore from backup by versioning the changes. For instance, say your upgrade process involves 50 steps that have some sequence/order requirements. Any step or small group of steps that can survive a reboot after they are applied should ...
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