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Old 01-01-2013, 12:54 PM   #1
kaja
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Registered: Nov 2012
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solaris to linux migration


Hello All,

have anyone migrated applications from solaris to linux x86 arch before ? if so could you please let me know what are the things to be taken care before we start migration from server side , storage and app/dba ?

Thanks
Kaja
 
Old 01-01-2013, 08:25 PM   #2
chrism01
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That's a pretty open ended qn; it depends on exactly what you are migrating.

1. are you going to try to keep the DB (for example) at the same version/patch level, or take advantage of the move to update or even upgrade to latest version.
(I'm assuming you're keeping that same DB eg Oracle)
2. even though Solaris and Linux are both *nix, you're still going to have to recompile from scratch all of your code.
3. you need experts in both OSes
4. you may have issues with the lang versions of the app code.
5. The default dirs are different between OSes; this will affect the install setup of App & DB and possibly the app code expectations

That's just the very basics; the actual list of qns are specific to your setup and its a long list...
Basically, its a non-trivial exercise, even for a home setup.
For a work system, you'll need extensive planning and testing.
 
Old 01-02-2013, 05:08 AM   #3
kaja
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solaris to linux migration

thank you !! i will check with dba whether we have plan to upgrade or keep the db at same level,,,if u have anything specific to os level ....pls let me know....the servers are going to be in vmware ( as guests).
 
Old 01-02-2013, 07:51 PM   #4
chrism01
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As I noted above, given that the src and target OSes are different, don't assume anything ...
(given they are both variations on *nix, it shouldn't be too painful, but you can't just copy stuff across and expect it to 'just work' )

If you can specify name & version nums for the OSes and programming language(s) used and ditto DB's we may be able to help a bit more.
Ditto 32 bit vs 64 bit?
What VM technology?

Obviously the src tools/versions are a given, but would you be able to change the target ones if advised?
 
  


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