AW: RE: convert big endian to medium endian

From: <ahmed.fikri_at_t-online.de>
Date: Fri, 7 Feb 2020 18:16:05 +0100 (CET)
Message-ID: <1581095765501.365972.c32323d8c1d7a18f13a9d9d8e17d558534350fa0_at_spica.telekom.de>

thanks for this information. But when I hear the only one way to do something, I need to know why there is only one way. And why my approach will not work.

My problem is when using XTTS I should (from my understanding) export the metadata using datapump and the problem this takes 3 days and 4 hours. And from my understanding why should I export the metadata. Our DBA is an expert and he told me the export takes long time because of known bug in 11g. In the past I could copy databases using only cold backup, I could copy the data files in parallel using several processes. I'm not a DBA (I am from the application vendor installed on the db) but I read D. Kuhn book from the beginning to the end. So I need to understand how to to do this task: upgrading 11g on aix to 12g on linux in less than one weekend without using the buggy datapump.

this should be possible or not?The db is only 16tb big.

regards
Ahmed

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• Original-Nachricht --- Von: Clay Jackson (cjackson) Betreff: RE: convert big endian to medium endian Datum: 07.02.2020, 17:55 Uhr An: oracle list

AFAIK: The only way this would work would be with transportable tablespaces; either using the tablespaces, or RMAN (MOS 2013271.1).

There’s no “silver bullet” for this…

 

IMHO, your best choice is export/import with some sort of replication solution to help minimize downtime.

 

Clay Jackson

Database Solutions Sales Engineer

clay.jackson_at_quest.com

office  949-754-1203  mobile 425-802-9603



 

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Sent: Friday, February 7, 2020 6:02 AM
To: oracle list <oracle-l_at_freelists.org> Subject: convert big endian to medium endian

 

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Hi all,

I want to test (I hope this weekend) following: 1 from 12c Db on AIX (big endian) I will create a cold backup 2 on Oracle linux (medium endian) I will create a new db using the cold backup from point 1
3 somehow I should convert the files from point 1 in medium endian

is this possible?

I don't want to use XTTTS and exporting the metadata using data pump.

Kind Regards
Ahmed

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Received on Fri Feb 07 2020 - 18:16:05 CET