So, we have seen a nice, easy, clean installation of Oracle Analytics in the previous post.
But what about upgrading from an existing OAS 5.9 or 6.4.
Good news, there is a install guide from Oracle here Introduction to Migrating and Upgrading to Oracle Analytics Server so you don’t need me to repeat all that stuff – the guide is good enough
The real question is do you do an “In-place Upgrade” or “Out of place Migration“.
The choice made ALL comes down to how much kit you have access to.
And do you trust an upgrade process.
And is your current environment a bit ‘dirty’!
Mind you if you don’t have lots of kits, then can you afford down time to do a rebuild of your machines? so it boils down to trust.
What’s the difference?
In-Place upgrade is still a separate installation activity, except that the existing domain tables are upgraded. So you lose your old environment (except if you do some form of database and server backup/restore). The good thing is that you don’t need a spare serer or three to do the upgrade.
The out of place Migration is a new install, in a separate place (normally a different machine but you can install longside on linux if you use differrent ports and users), and then you take your exported bar file (catalog) and import into the new OAS 2023.
Which is best
Personally I would usually go for a migration because I like having a new clean install, which can be automated, and you can revert back if you want, And you get to practise the upgrade of your existing catalog, before crunch time. And you get to regression test on your existing productoin database. And you can migrate users more slowly and carefully.
And if you are in the cloud, then you get the flexibility of the servers spinning up and down to do this.
food for thought…eh?