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10gR1 to 10gR2 (merged) [message #296901] Tue, 29 January 2008 07:38 Go to next message
adit_me1
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Hi,

I've to upgrade a 10gR1 databases to 10gR2. The database is a huge one.

I was wondering if this upgrade would require an import/export of the databases, or if it just requires an upgrade of the RDBMS and is like a patch install??

basically i wanted to know as to what will be the overhead in doing such a thing??

please reply if anyone of you have already faced a similar situation.

Thanks in advance

Aditya
Re: 10gR1 to 10gR2 [message #296905 is a reply to message #296901] Tue, 29 January 2008 07:52 Go to previous messageGo to next message
Michel Cadot
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Quote:
I was wondering if this upgrade would require an import/export of the databases

No it can be done with dbua.
See upgrade/migration guide.

Quote:
if it just requires an upgrade of the RDBMS and is like a patch install??

No it can't be done like that.

And if you just look at the topic that what was created before you it is named "Patch 10.1 to 10.2 - just an RDBMS upgrade or import/export required?" you'd have your answer without posting.

Regards
Michel
Re: 10gR1 to 10gR2 [message #297003 is a reply to message #296905] Tue, 29 January 2008 22:11 Go to previous messageGo to next message
adit_me1
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thanks Michel,
actually i read the related posts but din really gain that much info from them.
actually we have the option of upgrading to 10gR2 or 11g and i went throught the post for that as well.. it was very educative..
i just wanted to take as many feedbacks as possible as i am very very new to this field(just 3 months) and that confidence in upgrading a huge database like ours is just not coming. i want to be 100% sure of what to be done and how??

and where can i find upgrade/migration guide?


Re: 10gR1 to 10gR2 [message #297021 is a reply to message #297003] Tue, 29 January 2008 23:11 Go to previous messageGo to next message
Michel Cadot
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Quote:
where can i find upgrade/migration guide?

All documentation on http://tahiti.oracle.com
http://download.oracle.com/docs/cd/B19306_01/server.102/b14238/toc.htm

Regards
Michel
Re: 10gR1 to 10gR2 [message #297023 is a reply to message #297021] Tue, 29 January 2008 23:14 Go to previous messageGo to next message
adit_me1
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thanks Michel
Re: 10gR1 to 10gR2 [message #297025 is a reply to message #297021] Tue, 29 January 2008 23:16 Go to previous messageGo to next message
adit_me1
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i also wanted to know if upgrading the DB to a newer version may lead to compatibility issues for applications who have written their pl/sql code according to previous versions.

i mean, will upgrading my DB from 10Gr1 to 10Gr2 lead to any backward compatibility issues?
Re: 10gR1 to 10gR2 [message #297029 is a reply to message #297025] Tue, 29 January 2008 23:23 Go to previous messageGo to next message
Michel Cadot
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Quote:
will upgrading my DB from 10Gr1 to 10Gr2 lead to any backward compatibility issues?

In syntax, no (unless you use exotic and non supported one).
In performances, maybe.
You have to make deep tests before upgrading production.

Regards
Michel
Re: 10gR1 to 10gR2 [message #297345 is a reply to message #297029] Thu, 31 January 2008 03:50 Go to previous messageGo to next message
adit_me1
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can the upgrade be rolled back???
Re: 10gR1 to 10gR2 [message #297349 is a reply to message #297345] Thu, 31 January 2008 03:58 Go to previous messageGo to next message
Michel Cadot
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Yes, if you set compatibility parameter to 10.1 and never set it to 10.2 (or never not set it).
You then just have to restore the previous binaries.

Regards
Michel
Re: 10gR1 to 10gR2 [message #300763 is a reply to message #297349] Mon, 18 February 2008 01:00 Go to previous messageGo to next message
adit_me1
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Our 10GR1Database is on a 32 bit, Red Hat Linux Box. Some DBA s suggest that with 10GR2 a better option would be to go for a 64bit, SUSA Linux Box.
I am not sure, how it will impact the performance.
As i have said earlier, our database is a huge one and any types of risks are not affordable.

Will it be fine to upgrade the Oracle version alone (keeping the hardware as it is ,i.e., 32 bit - red hat linux)?
or is it better to go for a hardware and OS upgrade as well?


Can anyone suggest something? Confused
Re: 10gR1 to 10gR2 [message #300766 is a reply to message #300763] Mon, 18 February 2008 01:03 Go to previous messageGo to next message
Michel Cadot
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You have to test it.
The answer depends on your environment, hardware, applications, and so on.
Only YOU can answer.

Regards
Michel
Re: 10gR1 to 10gR2 [message #300768 is a reply to message #300766] Mon, 18 February 2008 01:07 Go to previous messageGo to next message
adit_me1
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ya right.. but what can be the risks involved?
can i expect any major issues?

and is there a order that i should follow? i mean what should be upgraded first - hardware or Oracle?

is it fine if i can test 10gR2 on my current box and later turn to 64 bit box?

what do you suggest?
Re: 10gR1 to 10gR2 [message #300769 is a reply to message #300768] Mon, 18 February 2008 01:10 Go to previous messageGo to next message
Michel Cadot
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Quote:
what do you suggest?

TEST!

Regards
Michel
Re: 10gR1 to 10gR2 [message #306413 is a reply to message #296901] Fri, 14 March 2008 02:25 Go to previous messageGo to next message
adit_me1
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ok.. so the hardware and linux versions are still the same. No one is touching that for now.

But Now i am in a fix whether to go for oracle versions 10.2.0.1 or 10.2.0.3 ...

can anyone suggest?

Re: 10gR1 to 10gR2 [message #306418 is a reply to message #306413] Fri, 14 March 2008 02:36 Go to previous messageGo to next message
Michel Cadot
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Suggest about what?

Regards
Michel
Re: 10gR1 to 10gR2 [message #306422 is a reply to message #296901] Fri, 14 March 2008 02:39 Go to previous messageGo to next message
adit_me1
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suggest as to which version would be better?
as far as i know, the latter has a patch upgraded on the 10gR2 version on it.. actually i am very new to this field so just wanted your opinions....
what is your say?
Re: 10gR1 to 10gR2 [message #306429 is a reply to message #306422] Fri, 14 March 2008 02:49 Go to previous messageGo to next message
Michel Cadot
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Of course the latest patchset should be better as it fixes bugs in the previous ones.

Regards
Michel
Re: 10gR1 to 10gR2 [message #306445 is a reply to message #306429] Fri, 14 March 2008 04:37 Go to previous messageGo to next message
adit_me1
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yup.. thanks for that..
Re: 10gR1 to 10gR2 [message #385418 is a reply to message #306445] Mon, 09 February 2009 09:27 Go to previous messageGo to next message
ankush_chawla
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can anybody tell me the patches avaiable to upgrade from
oracle 10gr1 to oracle 10gr2
10gr1 to 10gr2 [message #385419 is a reply to message #296901] Mon, 09 February 2009 09:28 Go to previous messageGo to next message
ankush_chawla
Messages: 136
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Kindly tell me the patches available in metalink to
upgrade oracle 10gr1 to oracle 10gr2 in windows server 2003.
Re: 10gR1 to 10gR2 [message #385420 is a reply to message #296901] Mon, 09 February 2009 09:29 Go to previous messageGo to next message
BlackSwan
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http://metalink.oracle.com
Re: 10gr1 to 10gr2 [message #385421 is a reply to message #385419] Mon, 09 February 2009 09:29 Go to previous messageGo to next message
BlackSwan
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Re: 10gR1 to 10gR2 [message #385422 is a reply to message #385420] Mon, 09 February 2009 09:30 Go to previous messageGo to next message
ankush_chawla
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that i know i am not able to find it please tell me the patch number if anybody knows it
Re: 10gR1 to 10gR2 [message #385427 is a reply to message #296901] Mon, 09 February 2009 09:52 Go to previous messageGo to next message
BlackSwan
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Re: 10gR1 to 10gR2 [message #385430 is a reply to message #385418] Mon, 09 February 2009 09:57 Go to previous message
Michel Cadot
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There is NO patch to upgrade from 10.1 to 10.2, they are 2 different versions.
You have to download 10.2 then migrate your database following the steps detailed in documentation.

Regards
Michel
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