About incremental backup

Dear Friends ,
We have a ORacle 10g database server which is 24x7 hours running . We take everyday RMAN full backup ,now we want to run "Incremental rman backup" 6 days in a week and "Full Backup" rest of the week . But in oracle article we read that
"RMAN can only create incremental backups of datafiles, not of archived redo log files or other files."
(source: http://download.oracle.com/docs/cd/B19306_01/backup.102/b14192/bkup001.htm#BRBSC131)
In this moment I think , archivelog is very important for database recovery and it is necessary to take archivelog backup regularly .Now if we want to run Incremental backup then I think I cannot take "archivelog" backup using following script :
run
allocate channel t1 type 'sbt_tape' parms
'ENV=(TDPO_OPTFILE=/usr/tivoli/tsm/client/oracle/bin64/tdpo.opt)';
sql "alter system switch logfile";
backup incremental level 1 database plus archivelog;
Give me some idea plz ... ...what should I need to ?

Sorry Hemant ,
Accroding to ur advice , I run the script following way :
run
allocate channel t1 type disk;
backup incremental level 1 database;
sql "alter system switch logfile";
backup archivelog;
But I got the following ERROR :
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: "all, from, high, like, logseq, low, scn, sequence, time, until"
RMAN-01007: at line 6 column 18 file: standard input
RMAN>
But when I use the following script , it shows no error :
run
allocate channel t1 type disk;
sql "alter system switch logfile";
backup incremental level 1 database plus archivelog;
I think here database is backup only using LEVEL 1 , but archivelog is backed up full . Here is the output :
RMAN> run
2> {
3> allocate channel t1 type disk;
4> sql "alter system switch logfile";
5> backup incremental level 1 database plus archivelog;
6> }
using target database control file instead of recovery catalog
allocated channel: t1
channel t1: sid=159 devtype=DISK
sql statement: alter system switch logfile
Starting backup at 29-JUL-08
current log archived
channel t1: starting archive log backupset
channel t1: specifying archive log(s) in backup set
input archive log thread=1 sequence=2 recid=1 stamp=661354070
input archive log thread=1 sequence=3 recid=2 stamp=661354123
input archive log thread=1 sequence=4 recid=3 stamp=661354895
input archive log thread=1 sequence=5 recid=4 stamp=661354935
input archive log thread=1 sequence=6 recid=5 stamp=661355047
input archive log thread=1 sequence=7 recid=6 stamp=661355050
input archive log thread=1 sequence=8 recid=7 stamp=661355072
input archive log thread=1 sequence=9 recid=8 stamp=661355327
channel t1: starting piece 1 at 29-JUL-08
channel t1: finished piece 1 at 29-JUL-08
piece handle=C:\ORACLE\PRODUCT\10.2.0\FLASH_RECOVERY_AREA\TESTDB\BACKUPSET\2008_07_29\O1_MF_ANNNN_TAG20080729T143725_48
channel t1: backup set complete, elapsed time: 00:00:06
Finished backup at 29-JUL-08
Starting backup at 29-JUL-08
channel t1: starting incremental level 1 datafile backupset
channel t1: specifying datafile(s) in backupset
input datafile fno=00001 name=C:\ORACLE\PRODUCT\10.2.0\ORADATA\TESTDB\SYSTEM01.DBF
input datafile fno=00003 name=C:\ORACLE\PRODUCT\10.2.0\ORADATA\TESTDB\SYSAUX01.DBF
input datafile fno=00002 name=C:\ORACLE\PRODUCT\10.2.0\ORADATA\TESTDB\UNDOTBS01.DBF
input datafile fno=00004 name=C:\ORACLE\PRODUCT\10.2.0\ORADATA\TESTDB\USERS01.DBF
channel t1: starting piece 1 at 29-JUL-08
channel t1: finished piece 1 at 29-JUL-08
piece handle=C:\ORACLE\PRODUCT\10.2.0\FLASH_RECOVERY_AREA\TESTDB\BACKUPSET\2008_07_29\O1_MF_NNND1_TAG20080729T143732_48
channel t1: backup set complete, elapsed time: 00:00:15
Finished backup at 29-JUL-08
Starting backup at 29-JUL-08
current log archived
channel t1: starting archive log backupset
channel t1: specifying archive log(s) in backup set
input archive log thread=1 sequence=33 recid=32 stamp=661358270
channel t1: starting piece 1 at 29-JUL-08
channel t1: finished piece 1 at 29-JUL-08
piece handle=C:\ORACLE\PRODUCT\10.2.0\FLASH_RECOVERY_AREA\TESTDB\BACKUPSET\2008_07_29\O1_MF_ANNNN_TAG20080729T143751_48
channel t1: backup set complete, elapsed time: 00:00:02
Finished backup at 29-JUL-08
Starting Control File and SPFILE Autobackup at 29-JUL-08
piece handle=D:\RMAN_BACK\CFC-2444681464-20080729-0C comment=NONE
Finished Control File and SPFILE Autobackup at 29-JUL-08
released channel: t1
RMAN>
what u think , am i right ?

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Rating useful replies is more useful than saying "Thank you"

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Hi expert
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TAG = 'WEEKLY_ARCHIVELOG'
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afzal wrote:
Dear Sir,
ok question number 2 is clear that incremental backup is not possible but still confuse
about sequence
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after that i did take backup 18th fab 1 pm then it will take from 6,7,8-------seq 5 is missing
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again please correct my script
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Kamran Agayev A.
Oracle ACE
My Oracle Video Tutorials - http://kamranagayev.wordpress.com/oracle-video-tutorials/

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Dear Friends,
Let my production server running starts from 1st June .
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1) When I take the Third(3rd) backup then is it the First RMAN backup goes to obsolete as per my rman policy ( RETENTION POLICY TO REDUNDANCY 1) ?The REDUNDANCY parameter of the CONFIGURE RETENTION POLICY command specifies how many backups of each datafile and control file that RMAN should keep. In other words, if the number of backups for a specific datafile or control file exceeds the REDUNDANCY setting, then RMAN considers the extra backups as obsolete.So as in your case the redundancy is 1 so the 1st and 2nd backup are obsolete.
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Link:[http://download.oracle.com/docs/cd/B19306_01/backup.102/b14192/setup005.htm#BRBSC400]
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when I take 3rd rman full backup , then is it all information from 1st january of the server are stored in the 3rd backup ? i.e., is the 3rd rman backup stores all the previous two rman backups information ?so that If I delete the previous two backup , then I get all information form 3rd rman backupThe 3rd RMAN backup will contain all the information of the DB from the very 1st day.You will get all the information in the 3rd rman backup as its a level 0 or what we say a FULL DATABASE BACKUP.If suppose the 3rd rman backup would have been a incremental backup, then you would have required a full backup, previous to the incremental one, so that after restoring the full backup, you restore the incremental to recover the DB completely.
Link:[http://download.oracle.com/docs/cd/B19306_01/backup.102/b14191/part1.htm#i996723]
[http://download.oracle.com/docs/cd/B19306_01/backup.102/b14192/bkup004.htm#BRBSC133]
Forgot to answer the 3rd question
3) If my first RMAN backup goes to obsolete and I have to delete the First RMAN backup , then which types of problem I face ? Can I go to previous state(suppose I need to back in 1st June) of my server if I delete First rman backup ?well, i am not very much sure , but i think is , if you have the 1st rman backup pieces physically present on the disk, you can catalog it and then use the rman command to restore the data from it of till 1st june.
To catalog the backup pieces use
rman> catalog backuppiece 'filename';
Link: [http://download.oracle.com/docs/cd/B19306_01/backup.102/b14192/maint007.htm]
HTH
Anand
Edited by: Anand... on Oct 15, 2008 10:51 AM

Optimized incremental backup in 10g

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I study the http://www.oracle.com/technology/products/database/oracle10g/pdf/twp_general_10gdb_product_family.pdf and i have one question about it...
In "Incremental backup" feature/option there is a note :"SE/XE no optimized incremental backup".
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Thanks......
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Justin

Basic questation about sql backup

HI all, sorry for my englisch . I have quetstaion about DPM and SQL 2012 database recovery model .
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For application data that support incremental backups (exchange, SQL Db's in full recovery mode) there are two job types.
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is performed by the application (SQL / Exchange)
B) Express full - This is equivalent to FULL backup, however only brings over Database changed blocks and applies them to the replica volume then makes a snapshot Each express full backup is recoverable. Express full backups do not result
in log truncation by the application. There is a 512 snapshot limit for express full backups.
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http://social.technet.microsoft.com/Forums/en-US/b767a3fb-ce59-4599-a92e-2e5e7e1c8b98/help-to-understand-the-difference?forum=dpmfilebackup
Backing up SQL with DPM
SCDPM: Backup SQL and Truncate SQL Logs
Does DPM Clear transaction Log when Backup?
Have a nice day !!!

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iMinds wrote:
Thanks for your suggestion. Yes, I did a full system restore, by booting the new Mac from the Leopard Install disc and selecting Utilities then Restore from Backups from the Menubar. What else can I do?
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See the *Erase, Install, & Migrate* section of the Glenn Carter - Restoring Your Entire System / Time Machine *User Tip* at the top of this forum.
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Also, your old backups will not appear if you use the normal +Enter Time Machine+ option on the new Mac; you'll need the Browse option as per item #17 of the Frequently Asked Questions *User Tip* at the top of this forum.
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Incremental backup information

hi,
i am using oracle 10g database enterprise edition release 2 in linux rhel 5. i have taken a some incremental backups. now i need to look at the information about the incremental backup? i wanted to know what all the incremental backups that will be used for complete recovery. where can i view those informations?? plz tell me.
thanks in advance.

793097 wrote:
hi,
i am using oracle 10g database enterprise edition release 2 in linux rhel 5. i have taken a some incremental backups. now i need to look at the information about the incremental backup? i wanted to know what all the incremental backups that will be used for complete recovery. where can i view those informations?? plz tell me.
thanks in advance.Use LIST BACKUP command
Kamran Agayev A.
Oracle ACE
My Oracle Video Tutorials - http://kamranagayev.wordpress.com/oracle-video-tutorials/

About incremental backup

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