Re: Streams Instantiation Using RMAN Convert Database - 10g
- From: Subodh Deshpande <deshpande.subodh@xxxxxxxxx>
- To: oracledbawannabe@xxxxxxxxx
- Date: Wed, 19 May 2010 15:42:43 +0530
Sorry, I have not understood proprely..and am sure about the products used
for,
let me confirm it so you are into a migration..cross platform...
if you are going to use 'data' migration and want to use tool like streams
etc..
streams is just like a replication tool used to capture the transactions.
golden gate is similar to it and bit advanced can be used to capture data
from sql, mysql and db2 databases as well.
as both the tools capture only data naturally they are platform independent
but they have datatype limitations you can not use bfiles etc and mandatory
architectural requirements source and target objects should have identical
structures..other wise it will not work.
now if you are going to use 'database' migration and that too on cross
platform then I would preferred clonning using cpio I would have copied my
files from one os to other..
thanks..subodh
On 16 May 2010 15:32, Oracle Dba Wannabe <oracledbawannabe@xxxxxxxxx> wrote:
> Hi,
> 10.2.0.4 3 Node RAC, ASM - Source Database.
> Has anyone used RMAN Convert as an instantiation option in streams?, Im
> getting conflicting information, or perhaps misunderstanding what is written
> in the docs.
> The Streams Replication Guide under the 'Performing Instantiations'
> chapter, appears to imply that the source database can continue to be up
> during this process. However appendix c, which talks about using this method
> states that the source database needs to be open read only. If this is the
> case I fail to see how this process achieves little to no downtime - since
> appendix c appears to talk about a source conversion -even though I don't
> need to convert all datafiles I still need to pull them out of ASM. For a
> large database that can take some time.
> If anyone out there has used this process I'd like to hear your thoughts or
> experience with it?......Thanks
>
>
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