Need suggestion in Migration of cognos8.2 to cognos8.4

[madhancog]

Hi Gurus,
   I am in need to migrate my project from cognos8.2 to cognos84.
Can any one suggest the best methodology and things need to be consider while migrating.
1.possible pitfalls in when migrating from 8.2 to 8.4?

Thanks in advance
K.M

[IceTea]

Hi,

wanna describe our migration way:

- Install 8.4 in parallel to 8.3 (different folder, do not install over/replace 8.3)
- copy the 8.3 Content Store Data Base and use this copy within the 8.4-Installation. It will be upgraded automatically if you start 8.4-Cognos-Service first time
- check all of your stuff if it's working. Reports, Drill-Throughs, Dashboards, Jobs, Events...
- Biggest security thing: in 8.4 are two new groups "Adaptive Analytics Users" und "Power Play Users". They contain via default the group "everyone" - so according to your Security (Single Sign On, Active Directory...) it could be possible, that this effects EVERYONE in your Company to have access to Cognos. So delete the group "Everyone" from this two groups and you're safe.
- Change Data Sources to Audit (you should not use same Audit Database with 8.3 and 8.4 parallel)
- if you use Data Source url_xml for Auditing, you have to change the DataSource in Administration AND redo the creation process for the java files - like in 8.3
- In addition you have to re-do all customizings in templates, system.xml....

Have fun :o

[madhancog]

Thanks for your kind reply...
Can u pls correct me what i understod was correct.
Currently i need to upgrade my 8.2 to 8.4.
So i need to install  8.4 in my machine in different location and i need to copy the content data store( i know how to export content database can u pls explain where i need to go and copy by content database)
And u asked me to use this copy in cognos8.4(let me know exactly where i need to place my files in 8.4 so that the service will take this)
Pls let me know at this level first detaily then i can go for next process.
Can u pls explain what impact possibilites are there?

Thanks in advance
K.M

[IceTea]

Ok, let's go:

1.) You install 8.4 in different location on your server. If you want to use 8.2 and 8.4 (for testing purposes) parallel 8.4 has to run on other ports than 8.2 (normally the default in Cognos Configuration-Client is 9300, use 9200 for 8.4 or any other port you want to)

2.) For copying the Content Store from 8.2, we did a Database-based copy of the whole Database. Our DB-Admins did this right in their SQL-Server-Console. We did NOT use the Cognos-Deployment-Capabilities (yes, there you can export/import the whole Content Store too, but i think this doesn't work from one to another different version of Cognos 8 BI)

3.) To use this "copy" of the Content Store with your 8.4-Installation, you just have to put the connection infos of this copied Content Store Databse into the Cognos Configuration before starting the Cognos 8.4-Service.

Let's go!