Moving into Linux Enterprise- Doubts/questions

[María Viola Deambrosis]

Hi, 

We have a production Database Server, with a professional Red Hat O.S installed. 



Here is detail information about it:

 

Hardware: 

·         DELL Power Edge 2600 

 

Database

·         Informix Dynamic Server Version 9.30.UC3 

 

O.S

·         Red Hat 7.3

·         Kernel: Linux 2.4.18-3smp / Apr 18 07:27:31 2002 i686 

·         Glib: 2.2.5-34

 

We are planning on moving from the Professional version into the Enterprise Red Hat Enterprise Linux 3.0.

Since the business is a 7x24x365 one, and the DBSrv is the production one, we have few questions/doubts:

  a.. moving from a Professional into an Enterprise version, is it just an upgrade or it requires a  "re-installation" 
  b.. how long will it take to do the job  
  c.. do you have any contingency plan or strategy to suggest 
  d.. is there any guaranty of full compatibility between both versions?
Thanks for your assistance

María 

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