RE: DB Movement from Sun to AIX ?
- From: "VIVEK_SHARMA" <VIVEK_SHARMA@xxxxxxxxxxx>
- To: <oracle-l@xxxxxxxxxxxxx>
- Date: Mon, 22 Aug 2005 20:47:49 +0530
Folks
Need to migrate a big production Hybrid database from Oracle 8.1.7 on Sun to
9.2 on AIX.
Main issue is that Source & Target DB Boxes/Machines being Located 20 KMs apart
there is NO connectivity between them currently NOR being planned.
Existing Options:-
NOTE AIX Storage Box is external to the machine & respective DB Machine is of
Very High Configuration.
1) Connect temporarily a Smaller AIX Box/machine with the required external
storage Box(which is going-to-become production) at the location of the source
SUN Server. After using suitable methods for Data transfer e.g. DB Link,
Materialized views, exp/imp thereafter disconnect the external Storage,
physically transport/shift it to the Target location & connect it to the High
End AIX machine.
Qs Since this is an IO intensive Operation, how will a smaller Box with a few
CPUs impact the speed of Data transfer from the SUN Server?
2) If Above is NOT possible, fire export(exp) of those Larger History Tables
which do NOT get updated for past data, transport exp dump manually to target
machine & import into Target DB. Thereafter insert incremental records which
are added.
3) Is it possible to use some unsupported parameters to move the Data/Database
(e.g. thru transportable Tablespaces) from SUN into the AIX Target machine?
Thereafter data can be moved from this unsupported DB into Another NEWLY
created Database on the same Server using conventional means e.g. DB Link, CTAS
etc?
Miscellaneous info:-
AIX box is going to be a NEW installation.
It is also NOT possible to physically re-locate the production SUN server to
the Location of the AIX Box.
Source Database is on Sun with Oracle 8.1.7
Target DB needs to go to AIX on Oracle 9.2
DB size - 600 GB
Application - Online Hybrid Banking Application
Num of Users - a few thousand Bank Staff users
Application is NOT on the internet. Hence can be brought down for about 6-8
hours
Any advice is welcome.
Thanks
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