Configuring RMAN

I'm new to RMAN, and I'm trying to configure the parameters.
Everywhere I've read that the MAXPIECESIZE parameter limits the size of a backup piece, and by default RMAN utility will put the entire contents of a backup set into one backup piece, regardless the size of the backup set. This is good, this is what I would like to see.
When I issued the command "show all", the MAXSETSIZE is set to UNLIMITED.
But when I make a full database backup, it always makes two pieces, one with the datafile information and one with the controlfile/spfile.
How can I set the parameters if I want to end up with one single piece with everything in it?
I'm running Oracle Enterprise Linux with Oracle 10g.
Thanks,
Csaba

OK, I understand the reason of having separate piece for the datafiles and a separate one for the controlfiles/spfile,
but now I tried to backup the archivelogs, to my understanding these could have gone into one piece, what is the reason that
RMAN did backed this in two separate backup pieces as well?
RMAN> backup archivelog all format '/backup/rman/DB2_archlg_0211_%s_%p' tag Arch_0211;
Starting backup at 11-FEB-09
current log archived
using channel ORA_DISK_1
channel ORA_DISK_1: starting compressed archive log backupset
channel ORA_DISK_1: specifying archive log(s) in backup set
input archive log thread=1 sequence=120 recid=1 stamp=677860674
input archive log thread=1 sequence=121 recid=2 stamp=677926428
input archive log thread=1 sequence=122 recid=3 stamp=677930092
input archive log thread=1 sequence=123 recid=4 stamp=677930094
input archive log thread=1 sequence=124 recid=5 stamp=677930097
input archive log thread=1 sequence=125 recid=6 stamp=677934050
input archive log thread=1 sequence=126 recid=7 stamp=677944551
input archive log thread=1 sequence=127 recid=8 stamp=677954769
input archive log thread=1 sequence=128 recid=9 stamp=678015417
input archive log thread=1 sequence=129 recid=10 stamp=678020445
input archive log thread=1 sequence=130 recid=11 stamp=678030336
input archive log thread=1 sequence=131 recid=12 stamp=678040144
input archive log thread=1 sequence=132 recid=13 stamp=678097227
input archive log thread=1 sequence=133 recid=14 stamp=678106310
input archive log thread=1 sequence=134 recid=15 stamp=678114062
input archive log thread=1 sequence=135 recid=16 stamp=678359475
input archive log thread=1 sequence=136 recid=17 stamp=678362521
input archive log thread=1 sequence=137 recid=18 stamp=678367508
input archive log thread=1 sequence=138 recid=19 stamp=678375784
input archive log thread=1 sequence=139 recid=20 stamp=678378092
channel ORA_DISK_1: starting piece 1 at 11-FEB-09
channel ORA_DISK_1: finished piece 1 at 11-FEB-09
piece handle=/backup/rman/DB2_archlg_0211_18_1 tag=ARCH_0211 comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time: 00:00:36
channel ORA_DISK_1: starting compressed archive log backupset
channel ORA_DISK_1: specifying archive log(s) in backup set
input archive log thread=1 sequence=1 recid=21 stamp=678468652
input archive log thread=1 sequence=2 recid=22 stamp=678468652
input archive log thread=1 sequence=3 recid=23 stamp=678468653
input archive log thread=1 sequence=4 recid=24 stamp=678547235
input archive log thread=1 sequence=5 recid=25 stamp=678547235
input archive log thread=1 sequence=6 recid=26 stamp=678547236
input archive log thread=1 sequence=7 recid=27 stamp=678547237
channel ORA_DISK_1: starting piece 1 at 11-FEB-09
channel ORA_DISK_1: finished piece 1 at 11-FEB-09
piece handle=/backup/rman/DB2_archlg_0211_19_1 tag=ARCH_0211 comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time: 00:00:08
Finished backup at 11-FEB-09
RMAN> list backup summary;
List of Backups
===============
Key TY LV S Device Type Completion Time #Pieces #Copies Compressed Tag
15 B A A DISK 11-FEB-09 1 1 YES ARCH_0211
16 B A A DISK 11-FEB-09 1 1 YES ARCH_0211
RMAN> list backup;
List of Backup Sets
===================
BS Key Size Device Type Elapsed Time Completion Time
15 63.57M DISK 00:00:33 11-FEB-09
BP Key: 15 Status: AVAILABLE Compressed: YES Tag: ARCH_0211
Piece Name: /backup/rman/DB2_archlg_0211_18_1
List of Archived Logs in backup set 15
Thrd Seq Low SCN Low Time Next SCN Next Time
1 120 370037 03-FEB-09 382119 03-FEB-09
1 121 382119 03-FEB-09 408422 04-FEB-09
1 122 408422 04-FEB-09 416754 04-FEB-09
1 123 416754 04-FEB-09 416879 04-FEB-09
1 124 416879 04-FEB-09 417014 04-FEB-09
1 125 417014 04-FEB-09 420847 04-FEB-09
1 126 420847 04-FEB-09 428769 04-FEB-09
1 127 428769 04-FEB-09 438846 04-FEB-09
1 128 438846 04-FEB-09 442733 05-FEB-09
1 129 442733 05-FEB-09 453899 05-FEB-09
1 130 453899 05-FEB-09 463693 05-FEB-09
1 131 463693 05-FEB-09 474775 05-FEB-09
1 132 474775 05-FEB-09 479438 06-FEB-09
1 133 479438 06-FEB-09 489360 06-FEB-09
1 134 489360 06-FEB-09 501092 06-FEB-09
1 135 501092 06-FEB-09 509483 09-FEB-09
1 136 509483 09-FEB-09 513474 09-FEB-09
1 137 513474 09-FEB-09 533349 09-FEB-09
1 138 533349 09-FEB-09 540006 09-FEB-09
1 139 540006 09-FEB-09 542369 09-FEB-09
BS Key Size Device Type Elapsed Time Completion Time
16 15.60M DISK 00:00:07 11-FEB-09
BP Key: 16 Status: AVAILABLE Compressed: YES Tag: ARCH_0211
Piece Name: /backup/rman/DB2_archlg_0211_19_1
List of Archived Logs in backup set 16
Thrd Seq Low SCN Low Time Next SCN Next Time
1 1 550551 10-FEB-09 572306 10-FEB-09
1 2 572306 10-FEB-09 592455 10-FEB-09
1 3 592455 10-FEB-09 601064 10-FEB-09
1 4 601064 10-FEB-09 607325 11-FEB-09
1 5 607325 11-FEB-09 612031 11-FEB-09
1 6 612031 11-FEB-09 615217 11-FEB-09
1 7 615217 11-FEB-09 630808 11-FEB-09
RMAN>
Maybe in this situation, it has something to do with the sequence number restarting?
Csaba

Similar Messages

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Hi all,
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http://docs.oracle.com/cd/B28359_01/server.111/b28294/rman.htm#BAJFBBBB
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Thanks.

RMAN> show db_unique_name;
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-00558: error encountered while parsing input commands
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RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-00558: error encountered while parsing input commands
RMAN-01009: syntax error: found ";": expecting one of: "allocate, alter, backup, beginline, blockrecover, catalog, change, connect, copy, convert, create, crosscheck, configure, duplicate, debug, delete, drop, exit, endinline, flashback, host, {, library, list, mount, open, print, quit, recover, register, release, replace, report, renormalize, reset, restore, resync, rman, run, rpctest, set, setlimit, sql, switch, spool, startup, shutdown, send, show, test, transport, upgrade, unregister, validate"
RMAN-01007: at line 1 column 21 file: standard input
But on this i'm getting response
SQL> select db_unique_name from v$database;
DB_UNIQUE_NAME
db1
same and db2 as db_unique_name for standby....
Edited by: 954758 on Sep 3, 2012 3:41 AM

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Hi All,
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Hi!
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Good Afternoon,
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976505 wrote:
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http://uhesse.wordpress.com

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Need to Configure RMAN backup in 8.1.7.4.1

I have been asked to design a backup and recovery strategy for our production and test databases
I got 2003 Enterprise server with 3 disks of each 300gb.
There are 10 databases running in versions 8,9,10 with 5 production and 5 UAT database.
The sum of the Db will be around 70Gb
I got 200Gb free space in 2 disks
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Any useful links and proper guiding from you people expected.
Right Now there is only export backup in Night.
I have informed them we are running the Db in risk,.They have asked me to comeup with a plan.
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Message was edited by:
Maran.E

Maran,
>
Is it possible to backup 8.1.7.4.1 by 10g database.
i can create a recovery catalog in 10g and wil i be able to backup a 8 and 9 Db
>
I have test 10g catalog with 9i. No idea with the 8i.
I guess, 8i(817) is more comportable with 10g and it should work.
Have a try with your test database and also cross check the metrix with different version in the Metalink.
Jaffar
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I just come across of the following note which explains the RMAN compatibility between 8 - 10g versions.
RMAN Compatibility Oracle8i 8.1.7.4 - Oracle10g 10.1.0.4
Doc ID: Note:307022.1
In case, if you dont have access to metalink, the punch line from the note is :
SUMMARY
=======
Is best practice to use 'rule of thumb'. Always used the target database RMAN executable and the latest release of Oracle for your recovery catalog.
If you are going to use a lower version RMAN executable to backup higher version databases remember you are restricted to only the features available
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Message was edited by:
Syed Jaffar

How to configure RMAN

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we dont need to do anything to use rman in windows but how can i use rman in linux??
if any one can help ?
From what i can understand is we need to install the rpm and start its service
if thier is anything else that i am missing please let me know .thanks

we dont need to do anything to use rman in windows but how can i use rman in linux?Same way. Once Oracle is installed and Database is created you don't need anything else, simply run it, for example :
$ rman nocatalog
Recovery Manager: Release 10.2.0.1.0 - Production on Fri Jan 20 16:26:41 2006
Copyright (c) 1982, 2005, Oracle. All rights reserved.
RMAN> connect target
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RMAN>

Configuring RMAN - cont'd

OK, I understand the reason of having separate piece for the datafiles and a separate one for the controlfiles/spfile,
but now I tried to backup the archivelogs, to my understanding these could have gone into one piece, what is the reason that
RMAN did backed this in two separate backup pieces as well?
RMAN> backup archivelog all format '/backup/rman/DB2_archlg_0211_%s_%p' tag Arch_0211;
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using channel ORA_DISK_1
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channel ORA_DISK_1: specifying archive log(s) in backup set
input archive log thread=1 sequence=120 recid=1 stamp=677860674
input archive log thread=1 sequence=121 recid=2 stamp=677926428
input archive log thread=1 sequence=122 recid=3 stamp=677930092
input archive log thread=1 sequence=123 recid=4 stamp=677930094
input archive log thread=1 sequence=124 recid=5 stamp=677930097
input archive log thread=1 sequence=125 recid=6 stamp=677934050
input archive log thread=1 sequence=126 recid=7 stamp=677944551
input archive log thread=1 sequence=127 recid=8 stamp=677954769
input archive log thread=1 sequence=128 recid=9 stamp=678015417
input archive log thread=1 sequence=129 recid=10 stamp=678020445
input archive log thread=1 sequence=130 recid=11 stamp=678030336
input archive log thread=1 sequence=131 recid=12 stamp=678040144
input archive log thread=1 sequence=132 recid=13 stamp=678097227
input archive log thread=1 sequence=133 recid=14 stamp=678106310
input archive log thread=1 sequence=134 recid=15 stamp=678114062
input archive log thread=1 sequence=135 recid=16 stamp=678359475
input archive log thread=1 sequence=136 recid=17 stamp=678362521
input archive log thread=1 sequence=137 recid=18 stamp=678367508
input archive log thread=1 sequence=138 recid=19 stamp=678375784
input archive log thread=1 sequence=139 recid=20 stamp=678378092
channel ORA_DISK_1: starting piece 1 at 11-FEB-09
channel ORA_DISK_1: finished piece 1 at 11-FEB-09
piece handle=/backup/rman/DB2_archlg_0211_18_1 tag=ARCH_0211 comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time: 00:00:36
channel ORA_DISK_1: starting compressed archive log backupset
channel ORA_DISK_1: specifying archive log(s) in backup set
input archive log thread=1 sequence=1 recid=21 stamp=678468652
input archive log thread=1 sequence=2 recid=22 stamp=678468652
input archive log thread=1 sequence=3 recid=23 stamp=678468653
input archive log thread=1 sequence=4 recid=24 stamp=678547235
input archive log thread=1 sequence=5 recid=25 stamp=678547235
input archive log thread=1 sequence=6 recid=26 stamp=678547236
input archive log thread=1 sequence=7 recid=27 stamp=678547237
channel ORA_DISK_1: starting piece 1 at 11-FEB-09
channel ORA_DISK_1: finished piece 1 at 11-FEB-09
piece handle=/backup/rman/DB2_archlg_0211_19_1 tag=ARCH_0211 comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time: 00:00:08
Finished backup at 11-FEB-09
RMAN> list backup summary;
List of Backups
===============
Key TY LV S Device Type Completion Time #Pieces #Copies Compressed Tag
15 B A A DISK 11-FEB-09 1 1 YES ARCH_0211
16 B A A DISK 11-FEB-09 1 1 YES ARCH_0211
RMAN> list backup;
List of Backup Sets
===================
BS Key Size Device Type Elapsed Time Completion Time
---------- ------------ 15 63.57M DISK 00:00:33 11-FEB-09
BP Key: 15 Status: AVAILABLE Compressed: YES Tag: ARCH_0211
Piece Name: /backup/rman/DB2_archlg_0211_18_1
List of Archived Logs in backup set 15
Thrd Seq Low SCN Low Time Next SCN Next Time
---- ---------- ---------- 1 120 370037 03-FEB-09 382119 03-FEB-09
1 121 382119 03-FEB-09 408422 04-FEB-09
1 122 408422 04-FEB-09 416754 04-FEB-09
1 123 416754 04-FEB-09 416879 04-FEB-09
1 124 416879 04-FEB-09 417014 04-FEB-09
1 125 417014 04-FEB-09 420847 04-FEB-09
1 126 420847 04-FEB-09 428769 04-FEB-09
1 127 428769 04-FEB-09 438846 04-FEB-09
1 128 438846 04-FEB-09 442733 05-FEB-09
1 129 442733 05-FEB-09 453899 05-FEB-09
1 130 453899 05-FEB-09 463693 05-FEB-09
1 131 463693 05-FEB-09 474775 05-FEB-09
1 132 474775 05-FEB-09 479438 06-FEB-09
1 133 479438 06-FEB-09 489360 06-FEB-09
1 134 489360 06-FEB-09 501092 06-FEB-09
1 135 501092 06-FEB-09 509483 09-FEB-09
1 136 509483 09-FEB-09 513474 09-FEB-09
1 137 513474 09-FEB-09 533349 09-FEB-09
1 138 533349 09-FEB-09 540006 09-FEB-09
1 139 540006 09-FEB-09 542369 09-FEB-09
BS Key Size Device Type Elapsed Time Completion Time
---------- ------------ 16 15.60M DISK 00:00:07 11-FEB-09
BP Key: 16 Status: AVAILABLE Compressed: YES Tag: ARCH_0211
Piece Name: /backup/rman/DB2_archlg_0211_19_1
List of Archived Logs in backup set 16
Thrd Seq Low SCN Low Time Next SCN Next Time
---- ---------- ---------- 1 1 550551 10-FEB-09 572306 10-FEB-09
1 2 572306 10-FEB-09 592455 10-FEB-09
1 3 592455 10-FEB-09 601064 10-FEB-09
1 4 601064 10-FEB-09 607325 11-FEB-09
1 5 607325 11-FEB-09 612031 11-FEB-09
1 6 612031 11-FEB-09 615217 11-FEB-09
1 7 615217 11-FEB-09 630808 11-FEB-09
RMAN>
Maybe in this situation, it has something to do with the sequence number restarting?
Csaba

It didn't. It did back up in two different sets.
If you would have read the output carefully, instead of with a half eye, you would have known this.
Your format is
DB2_archlg_0211_%s_%p'
and the sets are
piece handle=/backup/rman/DB2_archlg_0211_18_1 tag=ARCH_0211
set 18, piece 1!
and
piece handle=/backup/rman/DB2_archlg_0211_19_1 tag=ARCH_0211
set *19* piece 1.
Rman automagically determines the number of files per set.
Those files are being backed up in parallel, and multiplexed in one backupset.
Filesperset unlimited doesn't exist, nor is it a problem you have multiple backup sets, RMAN knows how to deal with them.
And optionally you can tag them.
Yours is a case of not reading documentation, or not reading it closely enough.
Your understanding " to my understanding these could have gone into one piece" is simply incorrect.
Sybrand Bakker
Senior Oracle DBA

Configuring RMAN

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