473,320 Members | 1,881 Online
Bytes | Software Development & Data Engineering Community
Post Job

Home Posts Topics Members FAQ

Join Bytes to post your question to a community of 473,320 software developers and data experts.

How to backup a 2 Tb Oracle data warehouse ?

Hi,
I have a 2 Tb data warehouse.I need a backup strategy as the current
backup strategy(cold backup) is taking too long.Is it possible to do a
incremental backups using RMAN ? I guess I have to put the database in
archivelog mode for this to work.But it is going to generate a lot of
archive if I put in archivelog mode.

I am not sure how to proceed.Plz advise.

Thanks,
Copernicus
Jul 19 '05 #1
5 7576
copernicus wrote:
Hi,
I have a 2 Tb data warehouse.I need a backup strategy as the current
backup strategy(cold backup) is taking too long.Is it possible to do a
incremental backups using RMAN ? I guess I have to put the database in
archivelog mode for this to work.But it is going to generate a lot of
archive if I put in archivelog mode.


Buy faster backup devices is one solution

Jul 19 '05 #2
copernicus wrote:
Hi,
I have a 2 Tb data warehouse.I need a backup strategy as the current
backup strategy(cold backup) is taking too long.Is it possible to do a
incremental backups using RMAN ? I guess I have to put the database in
archivelog mode for this to work.But it is going to generate a lot of
archive if I put in archivelog mode.

I am not sure how to proceed.Plz advise.

Thanks,
Copernicus

It generates just as much in noarchivelog mode - the only
difference being that the files are reused...
In my book, no database deserves the label "Production"
if not running archive log mode. If only for the reduced downtime;
did you ever consider what time it takes to restore a cold backup
of a 2 TB database?!?

OTOH - it's 'just' a DWH, so there's no data, that cannot be
retrieved from the original systems...

Anyway - I'd go RMAN - it lets you do incremental, differential,
full hot and full cold backups, backup the archived redo logs,
and cleanup unnecessary backup sets.
--
Regards, Frank van Bortel

Jul 19 '05 #3
Frank <fb*****@nescape.net> wrote in message news:<bp**********@news3.tilbu1.nb.home.nl>...
copernicus wrote:
Hi,
I have a 2 Tb data warehouse.I need a backup strategy as the current
backup strategy(cold backup) is taking too long.Is it possible to do a
incremental backups using RMAN ? I guess I have to put the database in
archivelog mode for this to work.But it is going to generate a lot of
archive if I put in archivelog mode.

I will try archive log, but compress and move the archived log files
to tape if space is an issue .These you can recycle after a date you
choose

Michael Tubuo Ngong
Jul 19 '05 #4
michael ngong wrote:
Frank <fb*****@nescape.net> wrote in message news:<bp**********@news3.tilbu1.nb.home.nl>...
copernicus wrote:

Hi,
I have a 2 Tb data warehouse.I need a backup strategy as the current
backup strategy(cold backup) is taking too long.Is it possible to do a
incremental backups using RMAN ? I guess I have to put the database in
archivelog mode for this to work.But it is going to generate a lot of
archive if I put in archivelog mode.


I will try archive log, but compress and move the archived log files
to tape if space is an issue .These you can recycle after a date you
choose

Michael Tubuo Ngong


Yes - but you must tell RMAN about this - so it's better
to let RMAN delete the files; either from disk or tape.
--
Regards, Frank van Bortel

Jul 19 '05 #5
But What u will do if there is BULK load. Your RMAN will not recognize it.
Jul 28 '06 #6

This thread has been closed and replies have been disabled. Please start a new discussion.

Similar topics

1
by: Andrew E | last post by:
I just took over DBA responsibilities for an Oracle 8i database running on Linux. Although I've been working with relational databases for some time, I'm a bit green on Oracle so forgive me. My...
3
by: Cristina | last post by:
Hallo i am a beginner into Oracle Technologies.I would like to make backup of my database,but i dont know how.Is there tools?Can i schedule the backup plan? thanks Cristina
1
by: Bevertec | last post by:
Our client is a major bank and we have the following immediate requirements. Oracle Data Warehousing Consultant We need 2 resources with the following skills to start immediately: Strong Data...
133
by: jonathan | last post by:
hey all, I realize that this question might pop up from time to time, but I haven't seen it a while and things might of changed, so - Right now (July 2004) how does mysql stand up in...
11
by: Ellen K | last post by:
Hi all, I set up our Oracle Financials as a linked server to one of my SQL Server boxes. On running a test query, I got the following error message: OLE DB provider 'MSDAORA' supplied...
2
by: phantom | last post by:
Hi all. We have a production data source running postgres for reporting/DSS we are thinking on building a warehouse, wherein data would be transferred from postgres to the warehouse. The...
0
by: greenMark | last post by:
Hi All I need to develope a data warehouse in oracle. I was able to develope a small one using oracle enterprise manager. But my main idea is to develope the necessary GUIs using Oracle Forms 6i....
3
by: aka | last post by:
Hi, I'm actually working on the migration of a DB2 unicode db (V8.2 FP 15) from a Sunfire machine with SunOS (64 bit, Big-endian) to an AIX 5.3 (64-bit, Big-endian) server located in US. The...
4
by: copernicus | last post by:
Hi, I have a 2 Tb data warehouse.I need a backup strategy as the current backup strategy(cold backup) is taking too long.Is it possible to do a incremental backups using RMAN ? I guess I have to...
0
by: DolphinDB | last post by:
The formulas of 101 quantitative trading alphas used by WorldQuant were presented in the paper 101 Formulaic Alphas. However, some formulas are complex, leading to challenges in calculation. Take...
0
by: DolphinDB | last post by:
Tired of spending countless mintues downsampling your data? Look no further! In this article, you’ll learn how to efficiently downsample 6.48 billion high-frequency records to 61 million...
0
by: ryjfgjl | last post by:
ExcelToDatabase: batch import excel into database automatically...
0
isladogs
by: isladogs | last post by:
The next Access Europe meeting will be on Wednesday 6 Mar 2024 starting at 18:00 UK time (6PM UTC) and finishing at about 19:15 (7.15PM). In this month's session, we are pleased to welcome back...
1
isladogs
by: isladogs | last post by:
The next Access Europe meeting will be on Wednesday 6 Mar 2024 starting at 18:00 UK time (6PM UTC) and finishing at about 19:15 (7.15PM). In this month's session, we are pleased to welcome back...
1
by: PapaRatzi | last post by:
Hello, I am teaching myself MS Access forms design and Visual Basic. I've created a table to capture a list of Top 30 singles and forms to capture new entries. The final step is a form (unbound)...
0
by: Defcon1945 | last post by:
I'm trying to learn Python using Pycharm but import shutil doesn't work
1
by: Shællîpôpï 09 | last post by:
If u are using a keypad phone, how do u turn on JavaScript, to access features like WhatsApp, Facebook, Instagram....
0
by: Faith0G | last post by:
I am starting a new it consulting business and it's been a while since I setup a new website. Is wordpress still the best web based software for hosting a 5 page website? The webpages will be...

By using Bytes.com and it's services, you agree to our Privacy Policy and Terms of Use.

To disable or enable advertisements and analytics tracking please visit the manage ads & tracking page.