Delete today backup in rman

Hi Friends,
I make a failure backup with space issue in rman.
I want to delete all backup today and make a new backup again.
i used this syntax. it does not work.
DELETE FORCE EXPIRED BACKUPSET OF DATABASE DEVICE TYPE DISK
COMPLETED AFTER "TO_DATE('11/17/2005 00:00:00','MM/DD/YY
HH24:MI:SS')";
how to delete who backupset today and without affect new backup or lost data.
Thank sfor help!
Jim
Edited by: user589812 on Nov 18, 2008 3:04 PM
Edited by: user589812 on Nov 18, 2008 3:41 PM

You can issue a LIST BACKUP SUMMARY command. When you see the list of backups available. You can then go ahead and delete backups using the DELETE BACKUPSET <backupset id> command.
By the way, check out TAHITI.ORACLE.COM for documentation on RMAN.
Good luck
Edited by: efrances on Nov 18, 2008 8:51 PM

Similar Messages

How to delete old backups in RMAN (

Hello,
if I run below rman command lines in 10g and 11g RMAN, it works well, but NOT in RMAN (Release 8.1.7.4.0), so which commandlines I should use to get to the same pursposes in RMAN 8.1.7.4?
run {
ALLOCATE CHANNEL c1 TYPE 'sbt_tape';
ALLOCATE CHANNEL c2 TYPE 'sbt_tape';
ALLOCATE CHANNEL c3 TYPE 'sbt_tape';
ALLOCATE CHANNEL c4 TYPE 'sbt_tape';
ALLOCATE CHANNEL c5 TYPE 'sbt_tape';
ALLOCATE CHANNEL c6 TYPE 'sbt_tape';
ALLOCATE CHANNEL c7 TYPE 'sbt_tape';
ALLOCATE CHANNEL c8 TYPE 'sbt_tape';
CROSSCHECK BACKUP;
delete force noprompt obsolete;
DELETE EXPIRED BACKUP;
RELEASE CHANNEL c1;
RELEASE CHANNEL c2;
RELEASE CHANNEL c3;
RELEASE CHANNEL c4;
RELEASE CHANNEL c5;
RELEASE CHANNEL c6;
RELEASE CHANNEL c7;
RELEASE CHANNEL c8;
thank you

for example like below... thank you
RMAN> CROSSCHECK BACKUP;
RMAN-03022: compiling command: XCHECK
RMAN-03026: error recovery releasing channel resources
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure during compilation of command
RMAN-03013: command type: XCHECK
RMAN-06091: no channel allocated for maintenance (of an appropriate type)
RMAN> ALLOCATE CHANNEL c1 TYPE 'sbt_tape';
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-00558: error encountered while parsing input commands
RMAN-01005: syntax error: found "identifier": expecting one of: "for"
RMAN-01008: the bad identifier was: c1
RMAN-01007: at line 1 column 18 file: standard input

Keeping ARCH and Deleting FULL backups on RMAN

Dear all,
RMAN deletes all my full backup and archivelogs in 2 days with;
DELETE NOPROMPT OBSOLETE RECOVERY WINDOW OF 2 DAYS;
But I want to keep archivelogs at least 9 DAYS and delete just the FULL backups after 2 DAYS. How can i set this?
Any recommendations?
Regards

You reported the Sybrand's post as an "abuse to consider" to the mod. Not to take a part or the other, but Sybrand made several points you should yourself to consider up front :
1. you claimed your problem as an emergency case, it is considered as rude in a public forum based on volunteers.
2. also you did not provided any information which can make difference, as the minimum of Oracle version (and OS...), for one who want to be considered as an emergency, that's rather strange, no one here is sitting next to you
3. Sybrand gave you a command to run that you should see the suggestion resulted
4. He also made a point about the documentation, whether it can appears rude to you, it's always, ALWAYS, good to show exactly to your peers what you have done so far to solve your problem, based on what docs...
5. We could also point you a link such as How to ask question
Please, keep it in mind, and come down.
Nicolas (moderator).
PS: without saying that 2 mods spent their time to proceed with your faulty reported abuse case
Message was edited by: Nicolas.Gasparotto

Delete all AVAILABLE valid RMAN backup by RMAN command

Hi
We are taking RMAN full backup on disk every day. But right now we don’t have enough space on RMAN backup mount point. So we want to delete all AVAILABLE valid RMAN backup by RMAN command.
Please guide to delete all AVAILABLE valid RMAN backup by RMAN command.
-Thanks
Edited by: Fazlul Kabir Mahfuz on May 13, 2013 11:06 AM

You can do it by manually delete the backups and archivelogs from OS location. Then use below commands
RMAN>crosscheck backup;
It will give status as EXPIRED for backups which are valid but not available at OS level.
RMAN>delete expired backup;
Delete all the backups whose status are EXPIRED from database level.
Similarly for archivelogs
RMAN>crosscheck archivelog all;
RMAN>delete expired archivelog all;

DELETE ONLY 3 DAYS BACKUP FROM RMAN

Hi,
How we can delete only 3 days of backup from RMAN.
Our retention policy is 15 days.
Thanks in advance.

Sounds like a strange requirement, but nonetheless, you could issue:
RMAN> list backupset;and then find the backups that correspond to the days in question and then delete them with:
RMAN> delete backupset <day3_backupset#>, <day5_backupset#>, <day7_backupset#>;

Deleting old backup's of rman with nocatalog

I am using oracle 8.1.6 on windows 2000 server. I am using rman with nocatalog to backup the database on disk. Now i want to delete the old backup's. Can anyone help me to know on how to perform the above task.

I am very much thankful for ur reply but its not working. Its displaying the below errors
RMAN> report obsolete redundancy=2;
RMAN-03022: compiling command: report
Report of obsolete backups and copies
Type Key Completion Time Filename/Handle
Backup Set 1 19-JUL-08
Backup Piece 1 19-JUL-08 C:\ORACLE\ORA81CM\DATABASE\01JLSK
O3_1_1
Backup Set 2 20-JUL-08
Backup Piece 2 20-JUL-08 C:\ORACLE\ORA81CM\DATABASE\08JLUM
IO_1_1
Backup Set 4 20-JUL-08
Backup Piece 4 20-JUL-08 C:\ORACLE\ORA81CM\DATABASE\0AJLUS
K9_1_1
Backup Set 5 20-JUL-08
Backup Piece 5 20-JUL-08 C:\ORACLE\ORA81CM\DATABASE\0BJLUS
LE_1_1
Datafile Copy 1 16-JUL-08 C:\ORACLE\CONTROL.DBF
RMAN> delete obsolete redundancy = 2;
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-00558: error encountered while parsing input commands
RMAN-01005: syntax error: found "obsolete": expecting one of: "expired, script"
RMAN-01007: at line 1 column 8 file: standard input

RMAN fails to delete obsolete backup in OSB

Hi All,
I am trying to delete my obsolete backups through RMAN and I get this error:
ORA-19511: Error received from media manager layer, error text:
sbt__rpc_cat_delete: delete failed for piece 0hmlsu6q_1_2 (Oracle Secure Backup error: user does not have sufficient rights)
I am not clear why Oracle Secure backup throws error that the user does not have sufficient rights./.
Below are the commands that I am using in the script:
3> ALLOCATE CHANNEL TAPE01 DEVICE TYPE SBT_TAPE;
4> CROSSCHECK BACKUP;
5> CROSSCHECK ARCHIVELOG ALL;
6> CROSSCHECK COPY;
7> report obsolete recovery window of 60 days device type
8> report obsolete recovery window of 7 days device type disk
9> delete noprompt obsolete recovery window of 60 days device type SBT_TAPE;
10> delete noprompt obsolete recovery window of 7 days device type DISK;
Any help is appreciated..
Thanks..

In my case, the problem was on OSB user permition.
On user you have to preauth. admin users to the host where database is located.
regards..
Virgilio

Error while taking backup through RMAN in 10g XE

While taking backup through RMAN in XE instance , an error comes out.
The contents of oxe_backup_current file is as below :
XE Backup Log
Recovery Manager: Release 10.2.0.1.0 - Production on Wed Jul 6 15:49:51 2011
Copyright (c) 1982, 2005, Oracle. All rights reserved.
connected to target database: XE (DBID=2635631092)
RMAN>
echo set on
RMAN> shutdown immediate;
using target database control file instead of recovery catalog
database closed
database dismounted
Oracle instance shut down
RMAN> startup mount;
connected to target database (not started)
Oracle instance started
database mounted
Total System Global Area     805306368 bytes
Fixed Size                     1261444 bytes
Variable Size                209715324 bytes
Database Buffers             591396864 bytes
Redo Buffers                   2932736 bytes
RMAN> configure retention policy to redundancy 2;
old RMAN configuration parameters:
CONFIGURE RETENTION POLICY TO REDUNDANCY 2;
new RMAN configuration parameters:
CONFIGURE RETENTION POLICY TO REDUNDANCY 2;
new RMAN configuration parameters are successfully stored
RMAN> configure controlfile autobackup format for device type disk clear;
RMAN configuration parameters are successfully reset to default value
RMAN> configure controlfile autobackup on;
old RMAN configuration parameters:
CONFIGURE CONTROLFILE AUTOBACKUP OFF;
new RMAN configuration parameters:
CONFIGURE CONTROLFILE AUTOBACKUP ON;
new RMAN configuration parameters are successfully stored
RMAN> sql "create pfile=''/usr/lib/oracle/xe/app/oracle/product/10.2.0/server/dbs/spfile2init.ora'' from spfile";
*sql statement: create pfile=''/usr/lib/oracle/xe/app/oracle/product/10.2.0/server/dbs/spfile2init.ora'' from spfile*
*RMAN-00571: ===========================================================*
*RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============*
*RMAN-00571: ===========================================================*
*RMAN-03009: failure of sql command on default channel at 07/06/2011 15:50:57*
*RMAN-11003: failure during parse/execution of SQL statement: create pfile='/usr/lib/oracle/xe/app/oracle/product/10.2.0/server/dbs/spfile2init.ora' from spfile*
*ORA-27086: unable to lock file - already in use*
*Linux Error: 11: Resource temporarily unavailable*
Additional information: 8
Additional information: 16476
RMAN> backup as backupset device type disk database;
Starting backup at 06-JUL-11
allocated channel: ORA_DISK_1
channel ORA_DISK_1: sid=102 devtype=DISK
channel ORA_DISK_1: starting full datafile backupset
channel ORA_DISK_1: specifying datafile(s) in backupset
input datafile fno=00003 name=/usr/lib/oracle/xe/oradata/XE/sysaux.dbf
input datafile fno=00005 name=/usr/lib/oracle/xe/oradata/XE/ftress_data_log01.dbf
input datafile fno=00006 name=/usr/lib/oracle/xe/oradata/XE/ftress_data_lrg01.dbf
input datafile fno=00001 name=/usr/lib/oracle/xe/oradata/XE/system.dbf
input datafile fno=00009 name=/usr/lib/oracle/xe/oradata/XE/ftress_indx_log01.dbf
input datafile fno=00010 name=/usr/lib/oracle/xe/oradata/XE/ftress_indx_lrg01.dbf
input datafile fno=00002 name=/usr/lib/oracle/xe/oradata/XE/undo.dbf
input datafile fno=00004 name=/usr/lib/oracle/xe/oradata/XE/users.dbf
input datafile fno=00008 name=/usr/lib/oracle/xe/oradata/XE/ftress_data_sml01.dbf
input datafile fno=00012 name=/usr/lib/oracle/xe/oradata/XE/ftress_indx_sml01.dbf
input datafile fno=00011 name=/usr/lib/oracle/xe/oradata/XE/ftress_indx_mdm01.dbf
input datafile fno=00007 name=/usr/lib/oracle/xe/oradata/XE/ftress_data_mdm01.dbf
channel ORA_DISK_1: starting piece 1 at 06-JUL-11
channel ORA_DISK_1: finished piece 1 at 06-JUL-11
piece handle=/usr/lib/oracle/xe/app/oracle/flash_recovery_area/XE/backupset/2011_07_06/o1_mf_nnndf_TAG20110706T155057_718dw649_.bkp tag=TAG20110706T155057 comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time: 00:00:15
Finished backup at 06-JUL-11
Starting Control File and SPFILE Autobackup at 06-JUL-11
piece handle=/usr/lib/oracle/xe/app/oracle/flash_recovery_area/XE/autobackup/2011_07_06/o1_mf_s_755797849_718dwofy_.bkp comment=NONE
Finished Control File and SPFILE Autobackup at 06-JUL-11
RMAN> configure controlfile autobackup off;
old RMAN configuration parameters:
CONFIGURE CONTROLFILE AUTOBACKUP ON;
new RMAN configuration parameters:
CONFIGURE CONTROLFILE AUTOBACKUP OFF;
new RMAN configuration parameters are successfully stored
RMAN> alter database open;
database opened
RMAN> delete noprompt obsolete;
RMAN retention policy will be applied to the command
RMAN retention policy is set to redundancy 2
using channel ORA_DISK_1
Deleting the following obsolete backups and copies:
Type                 Key    Completion Time    Filename/Handle
Backup Set           3      06-JUL-11
Backup Piece       3      06-JUL-11          /usr/lib/oracle/xe/app/oracle/flash_recovery_area/XE/backupset/2011_07_06/o1_mf_nnndf_TAG20110706T133443_7184wr4d_.bkp
Backup Set           4      06-JUL-11
Backup Piece       4      06-JUL-11          /usr/lib/oracle/xe/app/oracle/flash_recovery_area/XE/autobackup/2011_07_06/o1_mf_s_755789675_7184x7fp_.bkp
deleted backup piece
backup piece handle=/usr/lib/oracle/xe/app/oracle/flash_recovery_area/XE/backupset/2011_07_06/o1_mf_nnndf_TAG20110706T133443_7184wr4d_.bkp recid=3 stamp=755789684
deleted backup piece
backup piece handle=/usr/lib/oracle/xe/app/oracle/flash_recovery_area/XE/autobackup/2011_07_06/o1_mf_s_755789675_7184x7fp_.bkp recid=4 stamp=755789699
Deleted 2 objects
RMAN>
Recovery Manager complete.
RMAN error: See log for details.

I think it is trying to overwrite exiting file. Either give a different name or cleanup the files in preferred location.

Error when I backup with rman plus archive log

Hi All,
I tried below command
run {
SQL 'ALTER SYSTEM ARCHIVE LOG CURRENT';
BACKUP DATABASE INCLUDE CURRENT CONTROLFILE PLUS ARCHIVELOG DELETE ALL INPUT;
and that show below error
archived log file name=+DATA/pimprd/archivelog/pimarch_2_95_698703544.arc RECID=128 STAMP=706186164
archived log file name=+DATA/pimprd/archivelog/pimarch_2_96_698703544.arc RECID=130 STAMP=706186173
Finished backup at 21-DEC-09
ORACLE error from target database:
ORA-03114: not connected to ORACLE
Starting backup at 21-DEC-09
current log archived
allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID=259 instance=pimdb1 device type=DISK
channel ORA_DISK_1: starting archived log backup set
channel ORA_DISK_1: specifying archived log(s) in backup set
input archived log thread=1 sequence=153 RECID=113 STAMP=705896703
input archived log thread=1 sequence=154 RECID=116 STAMP=705983105
input archived log thread=1 sequence=155 RECID=119 STAMP=706069504
archived log file name=+DATA/pimprd/archivelog/pimarch_2_95_698703544.arc RECID=128 STAMP=706186164
archived log file name=+DATA/pimprd/archivelog/pimarch_2_96_698703544.arc RECID=130 STAMP=706186173
Finished backup at 21-DEC-09
ORACLE error from target database:
ORA-03114: not connected to ORACLE
Starting backup at 21-DEC-09
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
ORA-03114: not connected to ORACLE
RMAN-03002: failure of backup plus archivelog command at 12/21/2009 11:00:18
ORA-03114: not connected to ORACLE
There are RAC 11.1.0.6.0 on AIX 5.3 with ASM.
Please advise,
Thank you,
Hiko

็Hi All,
I tried backup archivelog again and show same error,
Line: -----
rman target /
Recovery Manager: Release 11.1.0.6.0 - Production on Mon Dec 21 14:48:29 2009
Copyright (c) 1982, 2007, Oracle. All rights reserved.
connected to target database: PIMDB (DBID=3834713912)
RMAN> run
2> {
3> backup archivelog all;
4> }
Starting backup at 21-DEC-09
current log archived
using target database control file instead of recovery catalog
allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID=275 instance=pimdb1 device type=DISK
channel ORA_DISK_1: starting archived log backup set
channel ORA_DISK_1: specifying archived log(s) in backup set
input archived log thread=1 sequence=161 RECID=131 STAMP=706190624
input archived log thread=1 sequence=162 RECID=133 STAMP=706200525
input archived log thread=2 sequence=97 RECID=132 STAMP=706190625
input archived log thread=2 sequence=98 RECID=134 STAMP=706200526
channel ORA_DISK_1: starting piece 1 at 21-DEC-09
channel ORA_DISK_1: finished piece 1 at 21-DEC-09
piece handle=/oradata/backup/pimdb/rman/pimdb_Fulldata_20091221_97_1.bck tag=TAG20091221T144854 comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time: 00:00:01
Finished backup at 21-DEC-09
Starting Control File and SPFILE Autobackup at 21-DEC-09
piece handle=/oradata/backup/pimdb/rman/pimdb_Controlfile_c-3834713912-20091221-02 comment=NONE
Finished Control File and SPFILE Autobackup at 21-DEC-09
ORACLE error from target database:
ORA-03114: not connected to ORACLE
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
ORA-03114: not connected to ORACLE
RMAN-03009: failure of REFAF command on default channel at 12/21/2009 14:59:33
ORA-03114: not connected to ORACLE
RMAN> exit
Recovery Manager complete.
Line: -----
And I check in alert log file that show below error
Line: -----
Mon Dec 21 14:48:44 2009
Thread 1 advanced to log sequence 163
Current log# 1 seq# 163 mem# 0: +DATA/pimdb/onlinelog/group_1.282.698703549
Mon Dec 21 14:49:17 2009
Exception [type: SIGSEGV, Address not mapped to object] [ADDR:0x3E00000000] [PC:0x10180AA48, kxfpg1srv()+04e8]
Errors in file /oracle/diag/rdbms/pimdb/pimdb1/trace/pimdb1_ora_5095646.trc (incident=64044):
ORA-07445: exception encountered: core dump [kxfpg1srv()+04e8] [SIGSEGV] [ADDR:0x3E00000000] [PC:0x10180AA48] [Address not mapped to object] []
Incident details in: /oracle/diag/rdbms/pimdb/pimdb1/incident/incdir_64044/pimdb1_ora_5095646_i64044.trc
Mon Dec 21 14:49:31 2009
Exception [type: SIGSEGV, Address not mapped to object] [ADDR:0x3E00000000] [PC:0x10180AA48, kxfpg1srv()+04e8]
Errors in file /oracle/diag/rdbms/pimdb/pimdb1/trace/pimdb1_m000_1831050.trc (incident=64163):
ORA-07445: exception encountered: core dump [kxfpg1srv()+04e8] [SIGSEGV] [ADDR:0x3E00000000] [PC:0x10180AA48] [Address not mapped to object] []
Incident details in: /oracle/diag/rdbms/pimdb/pimdb1/incident/incdir_64163/pimdb1_m000_1831050_i64163.trc
Mon Dec 21 14:49:33 2009
Trace dumping is performing id=[cdmp_20091221144933]
Mon Dec 21 14:49:34 2009
Sweep Incident[64163]: completed
Mon Dec 21 14:59:33 2009
Process 0x70000020477df88 appears to be hung while dumping
Current time = 1584185732, process death time = 1584124482 interval = 60000
Attempting to kill process 0x70000020477df88 with OS pid = 5095646
OSD kill succeeded for process 70000020477df88
Line: -----
Please advice,
Thank you
Hiko

10g Physical Standby to be used for Backup through RMAN

Dear All,
I have 10g Database Primary and Standby Server which is operating in Maximum Performance Mode. I want to use Standby Database for performing Weekly Full and Daily Incremental Backups through RMAN. Kindly inform me is it possible, if yes how should I configure it. I will also be using Compression and Encryption while performing backups.
Best Regards,
Asif

Yes, that is possible.
Because the standby databases are in mount mode, they can be accessed through the SYS account .
I use the following RMAN script for the same purpose. Please note that we have configure the flashback area, so we are not letting RMAN delete the archive files:
run {
sql 'alter system archive log current';
sql 'alter system archive log current';
allocate channel ch1 type 'sbt_tape' parms 'ENV=(TDPO_OPTFILE=/usr/tivoli/tsm/client/oracle/bin64/tdpo.opt)';
backup
incremental level 0
tag full_bk_db_webshop
format 'df_%d_t%t_s%s_p%p'
(database include current controlfile);
backup archivelog all;
This script is for a FULL backup ( level 0 ). You could also use the "backup full" command
You can easily change the level of the Backup for incremental purposes.
Starting RMAN - if configured correctly - is the same as with an open database
export ORACLE_SID=<STDBYSID>
rman target / rcvcat <rman/rman>@<catalogsid>
the user for, and the catalogsid are merely examples
Edited by: fjfranken on Mar 24, 2009 4:07 AM

Backup 3.1.2 - How to delete old backups

I didn't know where to post this question about using BackUp 3, so please excuse me if this is the wrong forum. I am not tech savvy, particularly about hardware or system issues.
I have been backing up to an external drive, a Seagate, purchased in 2005, but don't have the model information. Do not use iDisk for backup.
Today I was unable to backup because only 1.68GB remained on the Seagate drive. The most recent, successful back up was a couple of weeks ago.
My questions:
(1) Is there a way to safely delete older, incremental backups to increase space on the external drive?
The Help files for Back Up pretty much provide specific instructions for iDIsk. They also mention forcing a Full BackUp before deleting earlier backups, but there's insufficient space to do so.
(2) Can I just drag these older backups to the trash in Finder?
Hopefully someone can help me, as I would like to backup the latest iPhone update 3.0.1.
Thanks in advance for your help.
Susanne
Message was edited by: smuy

Ah, should've figured!
I think since I don't have that or .me/.mac, then the Chat available here for Backup might be a better idea...
http://www.apple.com/support/mobileme/
Down at the bottom click on Backup & Chat, then on Backup...
Though one help file I found says...
You can also delete backups created using Backup 3 by dragging them to the Trash in the Finder.
http://docs.info.apple.com/article.html?path=Backup/3.0/en/eco62.html

Time Machine: "Delete All Backups of..." does not free up drive space

When I select "Delete All Backups of..." in the Time Machine Finder window, fiiles get deleted, but no disk space appears to be freed up.
For example...
Today I deleted all backups of more than 100GB of Movies and TV Recording I no longer want in the archive [the same movies have already been deleted from my Macmini].
But Time Machine hard drive spare space has not increased at all.
Why...

Hi Robert J McInnes!
Try using the following information to attempt to delete your backup filed another way:
OS X Mountain Lion: Remove a backed-up item from your backup disk
http://support.apple.com/kb/PH11241
Without entering Time Machine’s starfield, you can move, copy, or delete the Backups.backupdb folder on your Time Machine backup disk as you would other folders. You can also delete folders within the Backups.backupdb folder. You can’t delete individual items inside the dated folders.
Important: Do not use Terminal or any application other than Finder to move, copy, or remove items from the Backups.backupdb folder.
Thanks for being a part of the Apple Support Communities!
Regards,
Braden

Doesn't Time Machine delete old backups when it needs more space?

I've had time machine running for a long time now. It worked flawlessly for quite some time.
Today it gave me the error that there was not enough free space on the disk to complete the backup (the error message says something like there is 360 GB of data on the Time Machine drive already, 140 GB of free space and it would require more than that to complete my backup). I have a 500 GB Time Machine disk and my Mac has a 500 GB hard drive, so I should technically never run out of space.
The Time Machine almost acts like this is the first time I've ever backed up, which is not true. Shouldn't Time Machine delete old backups to make space for the new? What's even weirder is that if I open the "Star Wars" window of Time Machine I only see one backup from March 31, 2011, but I have been running Time Machine for well over a year now. I'm totally confused as to what happened. Any advice on how to get my Time Machine back up and running (without buying a new drive) would help!

You see only one backup in the Time Machine window because Time Machine has deleted the older backups to make space to do the current backup.
Time machine needs some working space to do its backups, and so backing up a 500GB drive onto a 500GB time machine volume is not ideal.
However, I do essentially the same thing, and what I do, when I have this problem, is exclude things from the backup.
First off, figure out what you changed. If you moved things from one partition to another, then that will cause a backup of the size of the thing that was moved. This may be why you have a large backup.
When I have this problem, I exclude large things that have changed recently from the backup. This makes the backup smaller, and means that there is less working space needed. I do this until I get a successful backup. Then I remove things, one by one, from the exclusion list, and back up after each one.
So, for instance if you just put 4 new folders on your drive, each of which s 20GB of data and they are named A, B, C and D, add all four to the exclusion list, do a backup, then remove A from the exclusion list (leaving B, C & D on it) and do a backup, and continue like this, adding 20GB of backup data each time until none of the new data is on the exclusion list and you get a completed backup.
Another possible issue, if you use multiple partitions, is that Time Machine may be keeping an obsolete backup of a partition that you previously reformatted. To see if this is the case, go into time machine (The universe interface) and go back to the most recent backup it shows. Click on your computer and see what partitions show up-- are any of them old ones that have been reformatted and renamed? You may be storing a duplicate backup because Time Machine does not realize that the disk that went away isn't coming back (because it has been reformatted as a different partition)
You can right-click on these items and remove them from your backup by sleecting "Delete all backups of...." This will free up space as well.

Delete sbt_tape backups

How can I delete the backups by usıng rman whıch ıs taken to tape. When I attempt to delete them the error message is: "ORA-27211: Failed to load Media Management Library".

RMAN> delete backupset 913;
allocated channel: ORA_DISK_1
channel ORA_DISK_1: sid=275 instance=ANKARADB2 devtype=DISK
allocated channel: ORA_DISK_2
channel ORA_DISK_2: sid=258 instance=ANKARADB2 devtype=DISK
released channel: ORA_DISK_1
released channel: ORA_DISK_2
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of delete command at 11/22/2007 11:07:25
ORA-19554: error allocating device, device type: SBT_TAPE, device name:
ORA-27211: Failed to load Media Management Library

Backup through RMAN

Hi guys.
I am new in oracle database.my database is in no archive mode
i want to take backup through RMAN .
rman target sys/oracle
backup database;
but fail to backup. please see error
ORA -19602: cannot backup or copy active file in noarchivelog mode

Enable archiving in 10g
1. shutdown immediate;
2. edit init.ora set log_archive_start=TRUE /*Set this if your database is 9i. If 10g DB then ignore this step*/
3. startup mount;
4. alter database archivelog;
5. alter database flashback on; /*Not required to enable archiving. Just extra info to enable flashback logs*/
6. alter database open;
7. archive log list;
Now take backup
run
allocate channel ch1 type disk format '%D_%d_%t_%T_%s.bak';
backup database plus archivelog;
report obsolete;
delete noprompt obsolete;
crosscheck backupset;
crosscheck archivelog all;
resync catalog;
Sami Malik
[email protected]

Delete today backup in rman

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