Before you do any thing like upgrade backup is the mantra
- in plain sql format
- File system base ( remember to shutdown postgresql before taking
> 1) Can we do rollback if required after complete installation??
Yes you would be able to, make sure you overwrite all binaries of old
PostgreSQL when upgrade , in case of rollback simply compile and overwrite
3) If we do the installation in the other directory which doesn't
> contain old version. Does it solve our problem
Yes that may help this way you may not have to do the file system backup.
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