New to Oracle, why RMAN full backup has 3 backup files?

vendor set up the Oracle, but I noticed the backup has 3 files each time. not sure why.

A "LIST BACKUP" at the RMAN command line would show the contents of each of the BackupSets, BackupPieces.
When you run a BACKUP, RMAN does show, on-screen or to the log file if you redirect to a log, which datafiles are included in which BackupSet.
When you RESTORE DATABASE or RESTORE ARCHIVELOG RMAN reads the repository and identifies the BackupPieces automatically for each BackupSet . You do not need to specify them. However, if you are restoring a Controlfile, you could specifically identify where you want to restore the controlfile from -- because the default behaviour is to restore only the latest controlfile backup, but you might choose to restore an older controlfile. This can be done with the SET UNTIL clause or RESTORE CONTROLFILE FROM 'nameofbackuppiece' command.
Hemant K Chitale
Edited by: Hemant K Chitale on Apr 5, 2011 9:56 AM

Similar Messages

Rman Full and Archivelog backups

I am scripting my rman stuff and it's part of a much larger Perl maintenance. I have nightly and hourly jobs. Nightly will do a full backup and hourly will do archivelog backup. Full backups take about 2-3 hours.
My question is: is there a problem with running archivelog backups be running while I am doing a full backup. If system resources are not an issues, what are some arguments for or against it?

Thanks Tychos.
That is something that I've debated - if my full would be with Plus ArchiveLog or not. So, I've decided not to backup the log during a full backup.
This is for my nightly:
open (RMAN, "| rman target sys/$SYPASS\@$CSID catalog rman/$CATPSS\@catalog >$Rlog");
print RMAN <<"END";
run {
allocate channel d1 device type disk format \'$HBDir/$HBFiles\';
set controlfile autobackup format for device type disk to \'$HBDir/$ControlFile\';
backup as compressed backupset database;
crosscheck backup;
delete noprompt obsolete;
report need backup;}
END
close (RMAN);
This is the hourly:
open (RMAN, "| rman target sys/$SYPASS\@$CSID catalog rman/$CATPSS\@catalog >$Rlog");
print RMAN <<"END";
run {
allocate channel d1 device type disk format \'$TempArchHBDir/$BUFile\';
CROSSCHECK ARCHIVELOG ALL;
set controlfile autobackup format for device type disk to \'$HBDir/$ControlFile\';
backup archivelog all not backed up 1 times delete input;
END
close (RMAN);

Oracle 9i RMAN backup filling up all disk and failing at the very end

Hello to all and thank you in advance for any input from any of you.
I am new in oracle and the only one in my company with a little bit of oracle knowledge, which is not a whole lot.
I inherited a few servers (Linux and Windows based). We mostly run all our production environment on a Linux box hosting oracle 10g release 10.2.0.1 but we had a legacy application server that still runs on 9i release 9.2.0.1.0. This server is a windows 2003 box, the previous DBA or someone else with admin rights to this machine compressed the whole drive where oracle resides, when I started summarying the oracle assets, I saw this server with no backups scheduled and a compressed disk with very limited space after this compression, only 13 GB left, the database if uncompressed would definitively filled up all the disk. The machine is in used and cannot be taken down for more than a couple of hours. We tried adding another disk but the machine only accept it as a hot spare. The database is in archive mode, when I tried to run a RMAN backup, it start filling up the database drive until it's empty and it crashes the whole machine, it seems like the buffer is growing and growing until it fills up the whole drive. The only way to get the server up and running again is to reboot the machine since the server is more than 6 years old we are not please with this action because we are afraid the machine would go south in one of those reboots.
Has anyone heard of similar issues when running RMAN on a compressed drive? Can the compressed disk have any involvement in this kind of odd behaviour? I tried running the backup in debug mode and creating a log in a different disk (the one where the backup is going to) and still the same issue. Again any help is much appreciate,
Sincerely,
Alex

Sybrand,
Thank you for your fast response, I am going to use your previous post to answer one by one your question,
1 The Oracle binaries --- on a compressed drive > Yes
2 The Oracle database control files redo log files and datafiles on that same compressed drive? > Yes
3 The archived redo log ditto? > Yes
I know for a fact (as I have been using that in 9i) you can create a RMAN backup on a compressed drive, and you can have your archived redo go to a compressed drive. No problemo! > Excellent good news!!!
But I would never touch the data files. Please note backup sets are multiplexed files consisting of multiple datafiles, so RMAN would need to do some calculations to decompress several blocks at the same time and to calculate a new block and compress it.
Do you have enough space to:
a) (preferred) to make datafile copies instead of a backup >
Not in the drive that hosts the oracle instance but yes on an external usb drive (1TB) I attached to use as a backup repository, maybe this is why I am having these issues. I only have 13 GB left on that drive where the oracle instance resides (actually as I explained in a previous reply to Mark, the server only has 3 slots for disks, two of them as configured as RAID 1 and the other is a hot spare because the RAID configuration manager cannot can only added as hot-spare. The raided disk are partitioned in two, one small partition is for the OS and the other is for the oracle instance). When you said make a copy of the datafiles, I assumed you are talking about doing manual backups, and copying the database after using using "alter tablespace tablespace_name begin backup; then copy the file; alter tablespace tablespace_name end backup;
b) use filesperset=1 on the backup command line, so the multiplexing (and associated calculations) stop. I have not tried the option of fileperset yet but I can tryi it and see if that helps.
Can you post the last few lines of the RMAN log where RMAN bombs out? Note: the last few lines. Not all of it, or you must send some paracetamol in conjunction! >
When I ran the debug option, I stopped the backup at less than 20% because I didn't want to reboot the system in the middle of the production time, the backup consumed at least 3 GB during the time was running. The times I ran the RMAN backup I didn't used the debug option so I don't have a log long enough to send unless you want the last few lines of what I have.
Thanks again for your input,
Sincerely,
Alex

RMAN full DB restore on New Host

Hi There,
My RMAN full backup script is like this:
RMAN> CONNECT TARGET *
CONNECT CATALOG *
run {
allocate channel 'dev_0' type 'sbt_tape'
parms 'ENV=(OB2BARTYPE=Oracle8,OB2APPNAME=db1,OB2BARLIST=Off-site,OB2BARHOSTNAME=db1.blah.tr)';
backup incremental level 0
format 'Off-site<db1_%s:%t:%p>.dbf'
cumulative
database;
backup
format 'Off-site<db1_%s:%t:%p>.dbf'
archivelog all;
backup
format 'Off-site<db1_%s:%t:%p>.dbf'
current controlfile;
EXITCan you help writing a full restore/recover script...
Thanks
Edited by: user642423 on Jan 24, 2009 11:11 PM

I want to restore to a New Host and the above script will not work for me...
Doing this procedure "http://download.oracle.com/docs/cd/B19306_01/backup.102/b14191/rcmrecov.htm#i1007814" I get an error like this:
PS: I've set "maxdays 30" but again same "no autobackup found or specified handle is not a valid copy or piece" error...
channel dev_0: looking for autobackup on day: 20090125
channel dev_0: looking for autobackup on day: 20090124
channel dev_0: looking for autobackup on day: 20090123
channel dev_0: looking for autobackup on day: 20090122
channel dev_0: looking for autobackup on day: 20090121
channel dev_0: looking for autobackup on day: 20090120
channel dev_0: looking for autobackup on day: 20090119
channel dev_0: no autobackup in 7 days found
released channel: dev_0
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of restore command at 01/25/2009 00:27:00
RMAN-06172: no autobackup found or specified handle is not a valid copy or piece

I am trying to do a full Time Machine Backup to a new external disk. The backup starts, and it says "Time remaining about 4 days." That seems like a very long time, but the real problem is that the computer "logs off" after a few hours, and the b.u. stops

I am trying to do a full Time Machine Backup to a new external disk. The backup starts, and it says "Time remaining about 4 days." That seems like a very long time, but the real problem is that the computer "logs off" after a few hours, and the backup stops. The system preferences are set to "Never" for Computer sleep and Display sleep. The computer does not ordinarily log off automatically, but it has done this twice since I started the Time Machine backup.

If you have more than one user account, these instructions must be carried out as an administrator.
Launch the Console application in any of the following ways:
☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.
☞ Open LaunchPad. Click Utilities, then Console in the icon grid.
Make sure the title of the Console window is All Messages. If it isn't, select All Messages from the SYSTEM LOG QUERIES menu on the left. If you don't see that menu, select
View ▹ Show Log List
from the menu bar.
Enter the word "Starting" (without the quotes) in the String Matching text field. You should now see log messages with the words "Starting * backup," where * represents any of the words "automatic," "manual," or "standard." Note the timestamp of the last such message. Clear the text field and scroll back in the log to that time. Select the messages timestamped from then until the end of the backup, or the end of the log if that's not clear. Copy them (command-C) to the Clipboard. Paste (command-V) into a reply to this message.
If all you see are messages that contain the word "Starting," you didn't clear the search box.
If there are runs of repeated messages, post only one example of each. Don't post many repetitions of the same message.
When posting a log extract, be selective. Don't post more than is requested.
Please do not indiscriminately dump thousands of lines from the log into this discussion.
Some personal information, such as the names of your files, may be included — anonymize before posting.

Rman full backup시 파일이 2개씩 생성 됩니다.

rman을 사용해서 cron으로 일요일 새벽마다 full backup 을 하고 있는데, 백업 볼륨 full 이 발생해서 로그를 살펴보니 아래와 같습니다.
같은 사이즈, 같은 생성 시각의 파일들이 2개씩 생성 되었습니다.
rman 백업에 별다른 작업을 하지 않았는데도 저렇게 결과가 나오니 어떻게 해야할지 감을 못잡겠습니다, 특히 아래 두껍게 표시한 줄은 로그도 좀 잘린것 같습니다.
■ rman full backup 수행 로그
Recovery Manager: Release 8.1.6.0.0 - Production
RMAN-06005: connected to target database: ORCL (DBID=1151661191)
RMAN-06008: connected to recovery catalog database
RMAN>
RMAN-03021: executing script: full_backup
RMAN-03022: compiling command: allocate
RMAN-03023: executing command: allocate
RMAN-08030: allocated channel: backup_loveme
RMAN-08500: channel backup_loveme: sid=224 devtype=DISK
RMAN-03022: compiling command: backup
RMAN-03023: executing command: backup
RMAN-08008: channel backup_loveme: starting incremental level 0 datafile backupset
RMAN-08502: set_count=14779 set_stamp=619322468 creation_time=08-APR-07
RMAN-08010: channel backup_loveme: specifying datafile(s) in backupset
RMAN-08522: input datafile fno=00085 name=/sdisk02/data/ts01.dbf
RMAN-08522: input datafile fno=00027 name=/sdisk01/data/ts02.dbf
RMAN-08522: input datafile fno=00004 name=/sdisk01/data/temp01.dbf
RMAN-08522: input datafile fno=00006 name=/sdisk01/data/indx01.dbf
RMAN-08522: input datafile fno=00015 name=/sdisk01/data/ts03.dbf
RMAN-08013: channel backup_loveme: piece 1 created
RMAN-08503: piece handle=/sdisk03/backup/ff_driek734_14779_1 comment=NONE
RMAN-08525: backup set complete, elapsed time: 00:11:55
RMAN-08008: channel backup_loveme: starting incremental level 0 datafile backupset
RMAN-08502: set_count=14781 set_stamp=619323184 creation_time=08-APR-07
RMAN-080RMAN-08013: channel backup_loveme: piece 1 created
RMAN-08503: piece handle=/sdisk03/backup/ff_dsiek734_14780_1 comment=NONE
RMAN-08525: backup set complete, elapsed time: 00:11:55
RMAN-08008: channel backup_loveme: starting incremental level 0 datafile backupset
RMAN-08502: sRMAN-08013: channel backup_loveme: piece 1 created
RMAN-08503: piece handle=/sdisk03/backup/ff_dtiek7pg_14781_1 comment=NONE
RMAN-08525: backup set complete, elapsed time: 00:06:55
RMAN-08008: channel backup_loveme: starting incremental level 0 datafile backupset
RMAN-08502: set_count=14783 set_stamp=619323599 creation_time=08-APR-07
RMAN-080RMAN-08013: channel backup_loveme: piece 1 created
RMAN-08503: piece handle=/sdisk03/backup/ff_duiek7pg_14782_1 comment=NONE
RMAN-08525: backup set complete, elapsed time: 00:06:55
(후략...)
■ rman full backup 생성 파일
ls -al /sdisk03/backup/*
-rw-r----- 1 oracle dba 5780783616 4월 8 02:13 backup/ff_driek734_14779_1
-rw-r----- 1 oracle dba 5780783616 4월 8 02:13 backup/ff_dsiek734_14780_1
-rw-r----- 1 oracle dba 3423191552 4월 8 02:19 backup/ff_dtiek7pg_14781_1
-rw-r----- 1 oracle dba 3423191552 4월 8 02:19 backup/ff_duiek7pg_14782_1
(후략...)
■ RMAN> print script full_backup
allocate channel backup_loveme
type disk
format '/sdisk03/backup/ff_%u_%s_%p';
backup
incremental level=0
( database include current controlfile );
글 수정:
발로차는새

문제가 해결 되었습니다만 원인이 오라클과 관련 없는 문제라... 글을 삭제 하고 싶은데 삭제 기능이 없네요 ^^
원인은 시스템에 cron 데몬이 2개가 돌고 있었습니다. 문제 해결은 가까운 곳부터 찾아야 하는것 같습니다 ㅜㅜ
포럼을 어지럽혀 죄송합니다.

HT201250 What happened if a new backup has erased the previous one, can I still recover my files?

What happened if a new backup has erased the previous one, can I still recover my files?

Welcome to the Apple Support Communities
Time Machine doesn't erase old backups. That's only done when your Time Machine disk or Time Capsule gets full.
If you want to mean that you have connected the Time Capsule to another Mac to create another Time Machine backup, you should know that the old backup isn't modified, and you can still restore files from that old backup > http://pondini.org/TM/E3.html

RMAN Incremental Lvl 0 backup vs Full Backup

Hi all professionals,
If my RMAN backup script did not specify the incremental backup strategy, what is the default strategy it would adopt?
say for example: backup as compressed backup set database plus archive log delete input;
Will it use full backup or lvl 0 incremental backup?
There is a RMAN script (similar with the above) running as scheduled job daily and I will also use backup exec to backup the database to tape (manually scheduled to run for each time but not daily) at the same time.
Will the scheduled daily rman script backup affect the scn of the backup using backup exec so that it could not be restore the tape backup using backup exec to a testing db as usual?
(checked that backup exec also use rman script to backup but it uses incremental lvl 0)
Welcome your professional comments and sharing.
Thanks,
Calvin
Edited by: Calvin CS Ng on Aug 8, 2010 9:29 PM

backup as compressed backup set database plus archive log delete input;
Will it use full backup or lvl 0 incremental backup?
It will be a full backup.
There is a RMAN script (similar with the above) running as scheduled job daily and I will also use backup exec to backup the database to tape (manually scheduled to run for each time but not daily) at the same time.
Will the scheduled daily rman script backup affect the scn of the backup using backup exec so that it could not be restore the tape backup using backup exec to a testing db as usual?There should be no impact on restore/recovery.
Doc http://download.oracle.com/docs/cd/B19306_01/backup.102/b14191/rcmconc1.htm#i1011483 says:
>
The only difference between a level 0 incremental backup and a full backup is that a full backup is never included in an incremental strategy.

How to create new schema or restore on full version from 11g xe backup.

hi,
the situation is i get bakup of a 11g xe installation at remote place and i have to restore only one schema out of it into
a running enterprise version of oracle database.
please tel me how many ways i can transfer one schema to full version of oracle.
i know one way is to export import schema from one data base to other.
please tel me is there any other ways to do it. which is better, if not better then at least it should be practical.
--i want that same schema be present at both places and when ever i get backup from xe it will be resorted on existing schema in full version of oracle
--or i am ready to create new schema at full version from backup of xe installation also,optionally if i can restore on it, than it will be comfortable for me.
note: schema at both end will be same.
afteter

1)can exported schem from xe be imported on full oracle ( enterprise standerd etc ,that is the paid one) ?
2)i thought , people will say when u have bakup use bakup, it is more practical than using export import.
this is where we need help.people who are working in oracle they can help us in deciding.
yours sincerley

RMAN Full Hot Backup Daily

Hi,
I have Production Database going to live this week..
this is my RMAN Backup script for taking daily Full Hot Backup night 12pm...
I have enabled FLASH_RECOVERY_AREA
DB_RECOVERY_FILE_DEST=/backup/flash_recovery_area
log_archive_dest=/backup/archivelog
log_archive_format='arch_%d_%S_%T';
=========================================================
rman target=/
configure controlfile autobackup on;
run
allocate channel c1 device type disk;
crosscheck backup;
backup as compressed backupset database;
sql 'alter system switch logfile';
crosscheck backup;
release channel c1;
exit
===========================================================
Above script is scheduled usgin cron job...
=============================================================
Here I am not taking the archive logs backup...because..by default..archive logs are created in 2 places
(a) FLASH RECOVERY AREA
(b) /backup/archivelog
so archive logs are created by date wise in Flash Recovery Area....
I have flash recovery area structure like this for ever day
/backup/flash_recovery_area/PROD/archivelog/29_09_2007
/backup/flash_recovery_area/PROD/autobackup/29_09_2007
/backup/flash_recovery_area/PROD/archivelog/30_09_2007
/backup/flash_recovery_area/PROD/autobackup/30_09_2007
Above are 2 days backups of 29th and 30th....
I can simply send those 30_09_2007 and 29_09_2007 directories to TAPE Drive....
=======================================================================
When disaster recovery, i can restore those directories to flash_recovery_area and do the recovery using rman...
=============================================
Friends...am i goin in correct way..if anything wrong...please correct me..
my doubt is..I am not used any command of backuping up archivelogs in rman script.......becasue..archive logs are created in flash_recovery_area by date wise......
am i correct..

Hi,
Thanks for the reply,
My requirement is......Full Hot Backup daily at 2 AM......Daily i have to take this...so i scheduled this using cron job......I need to maintain 7 days backup in backup location.....
Here is my script
# Export Environment Variables
export ORACLE_HOME=/oradata/oracle
export ORACLE_SID=PROD
export PATH=$PATH:$ORACLE_HOME/bin
# RMAN Full Backup
rman target / catalog rman/rman << EOF
configure controlfile autobackup on;
configure retention policy to redundancy 7;
run
crosscheck backup;
backup as compressed backupset database;
sql 'alter system switch logfile';
backup as compressed backupset archivelog all;
backup as compressed backupset current controlfile;
crosscheck backup;
crosscheck archivelog all;
delete noprompt obsolete;
delete noprompt expired backup;
exit=============================================================
Can u please verify that, script is good or not
Message was edited by:
bsubbu
Message was edited by:
bsubbu

HT201250 Hi, I hope this question won't seem too basic but if I want to use a new larger external drive for my time machine backups, will it do a new full backup the first time I plug it in and if so, do I really need all the old backups on my smaller ext

Hi, I hope this question won't seem too basic but if I want to use a new larger external drive for my time machine backups, will it do a new full backup the first time I plug it in and if so, do I really need all the old backups on my smaller external drive?

50maz wrote:
Hi, I hope this question won't seem too basic but if I want to use a new larger external drive for my time machine backups, will it do a new full backup the first time I plug it in
Yes, it will do a full backup.
and if so, do I really need all the old backups on my smaller external drive?
Only if you want to be able to go back in time to those previous Time Machine backups. When you plug in the new larger external drive, you will only be able to go back as far as the first day you plugged it in and ran the first Time Machine backup on it.

Restore using Time Machine to new hard drive, but last "full" backup was 2012. how do I restore the rest of the Time Machine backups, particularily IPHOTO libraries for each user?

Restore using Time Machine to new hard drive, but last "full" backup was in 2012. How do I restore the rest of the Time Machine backups, particularily IPHOTO libraries for each user?
I entered Iphoto for my user and only photo up until 2012 were in the library. I thought the restore would do the incremental Time Machine backups too.....
Running 10.8.2

It usually means you are running Mavericks but have an earlier version of iPhoto. Open the App Store and upgrade your version of iPhoto to the Mavericks version.
The iWork apps are free with a new iOS device since 1 SEP 2013. They are free with a new Mac since 1 OCT 2013. They are also free with the upgrade to OS X Mavericks 10.9 if you had the previous version installed when you upgraded.The iWork apps are free with a new iOS device since 1 SEP 2013. They are free with a new Mac since 1 OCT 2013. They are also free with the upgrade to OS X Mavericks 10.9 if you had the previous version installed when you upgraded.
iWork and iLife for Mac come free with every new Mac purchase. Existing users running Mavericks can update their apps for free from the Mac App Store℠. iWork and iLife for iOS are available for free from the App Store℠ for any new device running iOS 7, and are also available as free updates for existing users. GarageBand for Mac and iOS are free for all OS X Mavericks and iOS 7 users. Additional GarageBand instruments and sounds are available for a one-time in-app purchase of $4.99 for each platform.

HT204269 I can't find MobileSync/Backup/ in the Application Support folder in Library, I'm trying to find my phone back up from a few days ago before I bought my new iPhone, but when I searched on iTunes backup it has been replaced by the back up the day

I'm trying to find my phone back up from a few days ago before I bought my new iPhone, but when I searched on iTunes backup it has been replaced by the back up the day after that. Now all my data from my old phone is lost including some really important things. Also before that iTunes wouldn't let me sync my iPhone 5s data to my new iPhone 6 Plus, saying that the data is corrupt, that's where all this trouble started. I've been trying to back-up the old phones data so I can access it, but it's been replaced when ever I plug the new phone in, and no the 'sync automatically when connected' is not ticked. Please help me find my back ups.

Your iCoud account remains in iCloud even if your device is restored. (In fact, you can't delete an iCloud account from iCloud, you can only choose to stop using it.) If the device is restored, or it may no longer be signed into your iCloud account but your account will still exist in iCloud.

HT202853 I have many project made in move HD that are not updating to the new iMovie 10 on my new iMac. Why is this not working as stated? How do I get my projects back from backup after old iMac crashed?

I have many projects made in imovie HD that are not updating to iMovie 10 on my new iMac. Why is this not working as stated on the article HT202853? How do I get my projects back from backup after old iMac crashed?

According to:
Update projects and events from previous versions of iMovie in iMovie (2014) - Apple Support
you can update from iMovie versions 7, 8 and 9, but iMovie HD is iMovie 6.
Maybe you can update in two steps, first from iMovie 6 to iMovie 7, 8 or 9 then to iMovie 10.
Geoff.

Just got an iPad mini 3 and have not reset my iPad mini 3; is that why the photos from iCloud backup are not showing up in the new iPad?

Just got an iPad mini 3 and have not reset my iPad mini 3; is that why the photos from iCloud backup are not showing up in the new iPad?

Sorry, don't know what you are asking. You have an old iPad Mini 3 and a new iPad Mini 3? How did you set up the new iPad? Did you restore it from a backup of the old iPad? What photos are you not seeing?
Cheers,
GB

New to Oracle, why RMAN full backup has 3 backup files?

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