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Old 12-09-2009, 08:38 AM   #1
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Duplicating a RHEL 5.1 32bit server on RHEL 5.4 64 bit

I have a database server running RHEL 5.1 32 bit that suffered some catastrophic failures about 6 months ago. We were able to patch it back together and keep it running, but now the manufacturing site it supports is going to shut down for two weeks and I would like to replace it permenantly.

Does anyone have any guidance for that sort of thing? I'd like to have the new server up and running before hand, basically changing the hostname/ip and restoring the databases only on conversion day. I've done this in the past with HP UX - Red Hat conversions, but this is my first red hat to red hat move. Any advice or shortcuts?

EDIT: I forgot to add the other wrinkle. The new server will be running 64bit linux.

Last edited by wernox; 12-09-2009 at 08:39 AM.
Old 12-09-2009, 02:15 PM   #2
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Best course of action would be to set new systems database server the way the old is set, and to use backup database to mount it on the new server and test if it works as expected. When you are happy with the setup, simple copy of the latest database will finish the move.

Other option would be to use KVM or other virtualization system to host a RHEL 5.1 32-bit system with complete database configuration (basically tar entire old system and avoid unpacking only hardware specific config), and then take your time in bringing new system online.

As far as software is concerned, there should be no unforeseen problems. 64-bit and 32-bit systems are only binary incompatible, all services configuration files should work.

If you are not satisfied with my answer, you will have to provide much more information regarding what database server you use (and version and...), etc.


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