Amy,
:) I remember those days too.. Pre Oracle 8, RMAN was unstable and flaky.
Oracle 8 RMAN was finally a decent, usable, stable(ish) product. Since
Oracle 8, it has improved by orders of magnitude and become the de facto
standard for Oracle backups.
Starting from scratch now, RMAN would be the way to go. This is almost a
no-brainer.
If you are running something else and everyone who needs to know in your
organisation knows how it works and understands it, and it does the job
(100% success backup AND restore) then stick with it. Don't change without a
very good reason. If it aint broke don't fix it!!
Don't reject RMAN just because it was rubbish ten years ago. It's a very
good product now.
John.
-----Original Message-----
From: Loukota Amy
[mailto:oracledba-ezmlmshield-x63710763.[Email address protected]
Sent: 03 July 2006 14:45
To: LazyDBA Discussion
Subject: RE: DB Restore - Large DB - Best Practices / Techniques
I'm nervous about RMAN. I've been doing this for 16 years and remember
the days when oracle let us and our production db's find their bugs. We
just bought Legato and all of the plug-ins for Oracle, SQLServer and
DB2. Needless to say, I'm getting some pressure.
I work in an environment that patches ... A LOT. They patch the OS all
of the time.
How stable is RMAN? Do you patch a lot? Any other issues with RMAN?
Amy Loukota
Oracle Certified DBA
TriWest HealthCare Alliance
15451 N. 28th Ave.
Phoenix, AZ 85053
[Email address protected]
work: 602-564-2452
"The best job goes to the person who can
get it done without passing the buck
or coming back with excuses."
-- Napoleon Hill, Author and Speaker
-----Original Message-----
From: Kirt Thomas
[mailto:oracledba-ezmlmshield-x80442449.[Email address protected]
Sent: Monday, July 03, 2006 6:24 AM
To: LazyDBA Discussion
Subject: Re: DB Restore - Large DB - Best Practices / Techniques
Use RMAN for hot backups. I have a 1.7tb db, I can do a level 0 RMAN
in about 4 hours, it takes 7 to restore. (This is an oracle 11i erp
installation, with about 20 active modules, I'm using Tivoli as my
access to tape, and using about 6 tape drives - no disk pool). I
restore this completely at least once a month to a test or
development server using the duplicate database feature of
RMAN. There is Zero production downtime for this.
Learn RMAN, it is your friend.
At 21:38 7/2/2006, rajesh wrote:
>Hi Gurus,
>
>
>
>We have a database of around 400 GB (OLTP db and high usage with
weekend
>downtimes, 9i db and RAC environment) and it is tough for us to restore
>the same into the backup environment. It takes ages to restore the data
>through export / import (atleast around 2 weeks) and we do not want to
>go thru this route.
>
>
>
>Expert advice needed to know the best ways / practices in which we can
>have copies of the production database easily in the TEST environments.
>
>Let me know in case you need any other info.
>
>
>
>Thanks and Regards,
>
>Shenzy
>
>
>
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