Will RMAN remove invalid backup pieces from Backup tests?
DB Version: 10.2.0.4.0
Thinking that Level1 backups don't take much time, In production, I was testing a Level 1 bkp (I took a level 0 bkp of our 700gb only yesterday).
But, the end users were complaining that system has become very slow. So, i've cancelled the LEVEL 1 backup.
Now i can see 5 backup pieces wasting some space.
I know that RMAN removes expired backup like
delete expired backup;But, how do i script RMAN to remove files mentioned above ie.files from a backup that was aborted halfway through ?
Hi Insignificant
But, how do i script RMAN to remove files mentioned above ie.files from a backup that was aborted halfway through ?If you can locate them on the OS level you could remove them with OS commands.
For backup pieces containg datafiles use <crosscheck backup;> followed by <delete expired backup;> with rman client.
Tycho
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Edited by: user628400 on Mar 26, 2009 5:06 PMHi;
It says;
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Dear experts,
I noticed that I have hundreds of files in $ORACLE_HOME that are backup pieces. I have set up the backup location in +FRA. I am not sure how these files get generated and why the cause an error when RMAN ran as you can see below.
I very much appreciate your assistance,
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RMAN> DELETE NOPROMPT OBSOLETE;
RMAN retention policy is set to recovery window of 3 days
Deleting the following obsolete backups and copies:
Type Key Completion Time Filename/Handle
Backup Set 319 21-JUN-08
Backup Piece 271 21-JUN-08 +FRA/bms/autobackup/2008_06_21/s_657944280.306.657944281
Backup Set 322 21-JUN-08
Backup Piece 274 21-JUN-08 bk_324_1_657950801
Backup Set 323 21-JUN-08
Backup Piece 275 21-JUN-08 c-118945620-20080621-02
Backup Set 333 22-JUN-08
Backup Piece 283 22-JUN-08 /u01/app/oracle/product/10.2.0/db_1/afjjhg2v_1_1
Backup Set 348 23-JUN-08
Backup Piece 296 23-JUN-08 /u01/app/oracle/product/10.2.0/db_1/aujjk4el_1_1
Backup Set 363 24-JUN-08
Backup Piece 309 24-JUN-08 /u01/app/oracle/product/10.2.0/db_1/bdjjmonm_1_1
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of delete command at 06/25/2008 02:00:23
RMAN-06091: no channel allocated for maintenance (of an appropriate type)The confusion is that I have a server that deletes the files based on the retention period and has no issues. The other server has identical setup, but it gives an error and it does not delete the backup piece.
Backup Piece 1402 25-JUN-08 /u01/app/oracle/product/10.2.0/db_1/jbjjpc9a_1_1
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of delete command at 06/26/2008 02:00:21
RMAN-06091: no channel allocated for maintenance (of an appropriate type)
$ORACLE_HOME files generated from the channel fornat:
-rw-r----- 1 oracle oinstall 294626304 Jun 25 07:06 rcjjpu2r_1_1
-rw-r----- 1 oracle oinstall 98304 Jun 25 07:07 rdjjpu4m_1_1
-rw-r----- 1 oracle oinstall 244966912 Jun 26 07:07 rljjsifj_1_1
-rw-r----- 1 oracle oinstall 98304 Jun 26 07:07 rmjjsih3_1_1
Files generated from +FRA pfile location:
ASMCMD> pwd
+FRA/DBWS/BACKUPSET
ASMCMD> ls -ltr
Type Redund Striped Time Sys Name
Y 2008_06_15/
Y 2008_06_16/
Y 2008_06_17/
Y 2008_06_18/
Y 2008_06_19/
Y 2008_06_20/
Y 2008_06_21/
Y 2008_06_22/
Y 2008_06_23/
Y 2008_06_24/
Y 2008_06_25/
Y 2008_06_26/
ASMCMD> cd 2008_06_26/
ASMCMD> ls -ltr
Type Redund Striped Time Sys Name
BACKUPSET MIRROR COARSE JUN 26 07:00:00 Y ncnnf0_TAG20080626T070124_0.1101.658393401
BACKUPSET MIRROR COARSE JUN 26 07:00:00 Y nnndf0_TAG20080626T070124_0.1159.658393287
BACKUPSET MIRROR COARSE JUN 26 07:00:00 Y nnndf0_TAG20080626T070124_0.850.658393285 -
Rman restore backup pieces to a location
Dear all,
10gr2p4 on solaris
We are in the process of duplicating a RAC database to a single node
We have all our RMAN backups to tape using veritas backup. Is there anyway I can restore the backup pieces from tape to disk on the (node where I need to duplicate)
then using CATALOG command to catalog this backup pieces and start duplicating manually . Can I restore rman (backup pieces) in the file system of the test node ?
Please guide
KaiYou can try to use LIST BACKUP to get the backup piece name and then use Veritas tool to restore the backup piece from tape to disk.
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RMAN-05556: not all datafiles have backups that can be recovered to SCN
Oracle 11.2.0.2 SE-One
Oracle Linux 5.6 x86-64
Weekly refresh of a test db from prod, using rman DUPLICATE DATABASE, failed with “RMAN-05556: not all datafiles have backups that can be recovered to SCN”
Background Summary:
Weekly inc 0 backup of production starts on Sunday at 0100, normally completes around 1050. Includes backups of archivelogs
Another backup of just archivelogs runs on Sunday at 1200, normally completes NLT 1201.
On the test server, the refresh job starts on Sunday at 1325. In the past this script used a set until time \"to_date('`date +%Y-%m-%d` 11:55:00','YYYY-MM-DD hh24:mi:ss')\"; -- hard-coded for ‘today at 11:55’.
For a variety of reasons I decided to replace this semi-hard coding of the UNTIL with a value determined by querying the rman catalog, getting the completion time of the inc 0 backup. This tested out just fine in my vbox lab, even when I deliberately drove some updates and log switches during the period the backup was running. But the first time to go live I got the above reported error.
Details:
The key part of the inc 0 backup is this (run from a shell script)
export BACKUP_LOC=/u01/backup/dbprod
$ORACLE_HOME/bin/rman target=/ catalog rman/***@rmcat<<EOF
configure backup optimization on;
configure default device type to disk;
configure retention policy to recovery window of 2 days;
crosscheck backup;
crosscheck archivelog all;
delete noprompt force obsolete;
delete noprompt force expired backup;
delete noprompt force expired archivelog all;
configure controlfile autobackup on;
configure controlfile autobackup format for device type disk to '$BACKUP_LOC/%d_%F_ctl.backup';
CONFIGURE CHANNEL DEVICE TYPE DISK FORMAT '$BACKUP_LOC/%U.rman' MAXPIECESIZE 4096 M;
sql "alter system archive log current";
show all;
backup as compressed backupset archivelog all delete all input format "$BACKUP_LOC/%U.alog";
backup as compressed backupset incremental level 0 database tag tag_dbprod;
sql "alter system archive log current";
backup as compressed backupset archivelog all delete all input format "$BACKUP_LOC/%U.alog";
list recoverable backup;
EOF
The archivelog-only backup (runs at noon) looks like this:
export BACKUP_LOC=/u01/backup/dbprod
$ORACLE_HOME/bin/rman target=/ catalog rman/***@rmcat<<EOF
configure backup optimization on;
configure default device type to disk;
configure retention policy to recovery window of 2 days;
crosscheck backup;
crosscheck archivelog all;
delete noprompt force obsolete;
delete noprompt force expired backup;
delete noprompt force expired archivelog all;
configure controlfile autobackup on;
configure controlfile autobackup format for device type disk to '$BACKUP_LOC/%d_%F_ctl.backup';
CONFIGURE CHANNEL DEVICE TYPE DISK FORMAT '$BACKUP_LOC/%U.rman' MAXPIECESIZE 4096 M;
sql "alter system archive log current";
show all;
backup as compressed backupset archivelog all delete all input format "$BACKUP_LOC/%U.alog";
list recoverable backup;
EOF
And the original refresh looked like this:
>> a step to ftp the backups from the prod server to the test server, and some other housekeeping <<, then
cd /backup/dbtest
echo "connect catalog rman/***@rmcat" > /backup/dbtest/dbtest_refresh.rman
echo "connect target sys/*******@dbprod" >> /backup/dbtest/dbtest_refresh.rman
echo "connect auxiliary /" >> /backup/dbtest/dbtest_refresh.rman
echo "run {" >> /backup/dbtest/dbtest_refresh.rman
echo "set until time \"to_date('`date +%Y-%m-%d` 11:55:00','YYYY-MM-DD hh24:mi:ss')\";" >> /backup/dbtest/dbtest_refresh.rman
echo "duplicate target database to DBTEST;" >> /backup/dbtest/dbtest_refresh.rman
echo "}" >> /backup/dbtest/dbtest_refresh.rman
So, my mod to the refresh was
bkup_point=`sqlplus -s rman/***@rmcat <<EOF1
set echo off verify off feedback off head off pages 0 trimsp on
select to_char(max(completion_time),'yyyy-mm-dd hh24:mi:ss')
from rc_backup_set_details
where db_name='DBPROD'
and backup_type='D'
and incremental_level=0
exit
EOF1`
cd /backup/dbtest
echo "connect catalog rman/***@rmcat" > /backup/dbtest/dbtest_refresh.rman
echo "connect target sys/*******@dbprod" >> /backup/dbtest/dbtest_refresh.rman
echo "connect auxiliary /" >> /backup/dbtest/dbtest_refresh.rman
echo "run {" >> /backup/dbtest/dbtest_refresh.rman
echo "set until time \"to_date('${bkup_point}','YYYY-MM-DD hh24:mi:ss')\";" >> /backup/dbtest/dbtest_refresh.rman
echo "duplicate target database to DBTEST;" >> /backup/dbtest/dbtest_refresh.rman
echo "}" >> /backup/dbtest/dbtest_refresh.rman
Now the fun begins.
First, an echo in the refresh script confirmed the ‘bkup_point’:
=======================================================
We will restore to 2013-08-25 10:41:38
=======================================================
Internally, rman reset the ‘until’ as follows:
executing command: SET until clause
Starting Duplicate Db at 25-Aug-2013 15:35:44
allocated channel: ORA_AUX_DISK_1
channel ORA_AUX_DISK_1: SID=162 device type=DISK
contents of Memory Script:
set until scn 45633141350;
Examining the result of LIST BACKUP (the last step of all of my rman scripts) the full backup shows this:
BS Key Type LV Size Device Type Elapsed Time Completion Time
5506664 Full 61.89M DISK 00:00:03 25-Aug-2013 02:11:32
BP Key: 5506678 Status: AVAILABLE Compressed: NO Tag: TAG20130825T021129
Piece Name: /u01/backup/dbprod/DBPROD_c-3960114099-20130825-00_ctl.backup
SPFILE Included: Modification time: 24-Aug-2013 22:33:08
SPFILE db_unique_name: DBPROD
Control File Included: Ckp SCN: 45628880455 Ckp time: 25-Aug-2013 02:11:29
BS Key Type LV Size Device Type Elapsed Time Completion Time
5507388 Incr 0 206.03G DISK 08:30:00 25-Aug-2013 10:41:30
List of Datafiles in backup set 5507388
File LV Type Ckp SCN Ckp Time Name
1 0 Incr 45628880495 25-Aug-2013 02:11:38 +SMALL/dbprod/datafile/system.258.713574775
>>>>>>>>> snip lengthy list <<<<<<<<<
74 0 Incr 45628880495 25-Aug-2013 02:11:38 +SMALL/dbprod/event_i2.dbf
Backup Set Copy #1 of backup set 5507388
Device Type Elapsed Time Completion Time Compressed Tag
DISK 08:30:00 25-Aug-2013 10:41:36 YES TAG_DBPROD
List of Backup Pieces for backup set 5507388 Copy #1
BP Key Pc# Status Piece Name
5507391 1 AVAILABLE /u01/backup/dbprod/eeoi55iq_1_1.rman
>>>>>>>>>>>>> snip lengthy list <<<<<<<<<<<
5507442 52 AVAILABLE /u01/backup/dbprod/eeoi55iq_52_1.rman
Notice the slight difference in time between what is reported in the LIST BACKUP and what was reported by my query to the catalog.
Continuing with the backup list, the second archivelog backup in the script generated six backupsets. The fifth set showed:
BS Key Size Device Type Elapsed Time Completion Time
5507687 650.19M DISK 00:02:18 25-Aug-2013 10:54:53
BP Key: 5507694 Status: AVAILABLE Compressed: YES Tag: TAG20130825T104156
Piece Name: /u01/backup/dbprod/ekoi643j_1_1.alog
List of Archived Logs in backup set 5507687
Thrd Seq Low SCN Low Time Next SCN Next Time
1 1338518 45632944587 25-Aug-2013 05:58:18 45632947563 25-Aug-2013 05:58:20
>>>>>>>>>>>>> snip lengthy list <<<<<<<<<<<
1 1338572 45633135750 25-Aug-2013 10:08:21 45633140240 25-Aug-2013 10:08:24
1 1338573 45633140240 25-Aug-2013 10:08:24 45633141350 25-Aug-2013 10:30:06
1 1338574 45633141350 25-Aug-2013 10:30:06 45633141705 25-Aug-2013 10:41:51
1 1338575 45633141705 25-Aug-2013 10:41:51 45633141725 25-Aug-2013 10:41:55
Notice the availability of the archivelogs including the referenced scn.
Investigation of the ftp portion of the refresh script confirmed that all backup pieces were copied from the prod server.
So what am I overlooking? Having reverted back to the original script to get the refresh completed,HemantKChitale wrote:
So, technically, you only need the database and archivelogs backed up by the database script and not the noon run of the archivelog backup.
backup as compressed backupset archivelog all delete all input format "$BACKUP_LOC/%U.alog";
backup as compressed backupset incremental level 0 database tag tag_dbprod;
sql "alter system archive log current";
backup as compressed backupset archivelog all delete all input format "$BACKUP_LOC/%U.alog";
Yet, why does backupset 5 of the noon archivelog backup show archivelogs from 10:30 to 10:40 if they had been deleted by the database backup script which has a delete input ? It is as if the database backup script did NOT delete the archivelogs and the noon run was the one to backup the archivelogs (again ?)
No, that is from the morning full backup. Note the 'Completion Time" of 25-Aug-2013 10:54:53
However, the error message seems to point to a datafile. Why would reverting the recovery point to 11:55 make a difference, I wonder.
As do I.
Also puzzling to me are the times associated with the completion of the backups. I don't recall ever having to scrutinize a backup listing this closely so I'm sure it's just a matter of filling in some gaps in my understanding, but I noticed this. The backup report (list backup;) shows this for the inc 0 backup:
BS Key Type LV Size
Device Type Elapsed Time Completion Time
5507388 Incr 0 206.03G
DISK
08:30:00
25-Aug-2013 10:41:30 ------- NOTE THE COMPLETION TIME ----
List of Datafiles in backup set 5507388
File LV Type Ckp SCN
Ckp Time
Name
1
0 Incr 45628880495 25-Aug-2013 02:11:38 +SMALL/dbprod/datafile/system.258.713574775
------ SNIP ------
74 0 Incr 45628880495 25-Aug-2013 02:11:38 +SMALL/dbprod/event_i2.dbf
Backup Set Copy #1 of backup set 5507388
Device Type Elapsed Time Completion Time
Compressed Tag
DISK
08:30:00
25-Aug-2013 10:41:36 YES
TAG_DBPROD ------- NOTE THE COMPLETION TIME ----
List of Backup Pieces for backup set 5507388 Copy #1
BP Key Pc# Status
Piece Name
5507391 1 AVAILABLE /u01/backup/dbprod/eeoi55iq_1_1.rman
------ SNIP ------
5507442 52 AVAILABLE /u01/backup/dbprod/eeoi55iq_52_1.rman
Then the autobackup of the control file immediatly following:
BS Key Type LV Size
Device Type Elapsed Time Completion Time
5507523 Full
61.89M
DISK
00:00:03
25-Aug-2013 10:41:47 ------- NOTE THE COMPLETION TIME ----
BP Key: 5507587 Status: AVAILABLE Compressed: NO Tag: TAG20130825T104144
Piece Name: /u01/backup/dbprod/DBPROD_c-3960114099-20130825-01_ctl.backup
SPFILE Included: Modification time: 25-Aug-2013 05:57:15
SPFILE db_unique_name: DBPROD
Control File Included: Ckp SCN: 45633141671 Ckp time: 25-Aug-2013 10:41:44
Then the archivelog backup immediately following (remember, this created a total of 5 backupset, I'm showing number 4)
BS Key Size
Device Type Elapsed Time Completion Time
5507687 650.19M
DISK
00:02:18
25-Aug-2013 10:54:53 ------- NOTE THE COMPLETION TIME ----
BP Key: 5507694 Status: AVAILABLE Compressed: YES Tag: TAG20130825T104156
Piece Name: /u01/backup/dbprod/ekoi643j_1_1.alog
List of Archived Logs in backup set 5507687
Thrd Seq
Low SCN
Low Time
Next SCN Next Time
1
1338518 45632944587 25-Aug-2013 05:58:18 45632947563 25-Aug-2013 05:58:20
------ SNIP ------
1
1338572 45633135750 25-Aug-2013 10:08:21 45633140240 25-Aug-2013 10:08:24
1
1338573 45633140240 25-Aug-2013 10:08:24 45633141350 25-Aug-2013 10:30:06
1
1338574 45633141350 25-Aug-2013 10:30:06 45633141705 25-Aug-2013 10:41:51
1
1338575 45633141705 25-Aug-2013 10:41:51 45633141725 25-Aug-2013 10:41:55
and the controlfile autobackup immediately following:
BS Key Type LV Size
Device Type Elapsed Time Completion Time
5507984 Full
61.89M
DISK
00:00:03
25-Aug-2013 10:55:07 ------- NOTE THE COMPLETION TIME ----
BP Key: 5508043 Status: AVAILABLE Compressed: NO Tag: TAG20130825T105504
Piece Name: /u01/backup/dbprod/DBPROD_c-3960114099-20130825-02_ctl.backup
SPFILE Included: Modification time: 25-Aug-2013 05:57:15
SPFILE db_unique_name: DBPROD
Control File Included: Ckp SCN: 45633142131 Ckp time: 25-Aug-2013 10:55:04
and yet, querying the rman catalog
SQL> select to_char(max(completion_time),'yyyy-mm-dd hh24:mi:ss')
2 from rc_backup_set_details
3 where db_name='DBPROD'
4 and backup_type='D'
5 and incremental_level=0
6 ;
TO_CHAR(MAX(COMPLET
2013-08-25 10:41:38
SQL>
which doesn't match (to the second) the completion time of either the full backup or the associated controlfile autobackp.
Hemant K Chitale
I hope this posts in a readable, understandable manner. I really struggeled with the 'enhanced editor', which I normally use. When I pasted in blocks from the rman report, it kept trying to make some sort of table structure out of it .... guess I'll have to follow that up with a question in the Community forum .... -
Lost my contacts list and try to restore from backup and it ask for my password to unlock my iphone backup. I don't remember creating a password for it. Can anyone help? Thanks.
If you encrypted the backup, there is no way around it. You will need to configure your iPhone as a new device.
From iTunes: About iOS backups:
In the iTunes Summary screen, select "Encrypt iPhone backup" if you want to encrypt the information stored on your computer when iTunes makes a backup. Encrypted backups are indicated by a padlock icon, and a password is required to restore the information to iPhone. You may want to write down the password for your backup and store it in a safe place. If you use a Mac, when you set a password you can select to store the password in the keychain. With iOS 4 and later, you can transfer the iOS keychain backup to a new device if you encrypt the backup.
Warning: If you encrypt an iPhone backup in iTunes and then forget your password, you will not be able to restore from backup and your data will be unrecoverable. If you forget the password, you can continue to back up and use the device, however you will not be able to restore the encrypted backup to any device without the password. You do not need to enter the password for your backup each time you back up or sync.
If you cannot remember the password and want to start again, you must perform a full software restore and when iTunes prompts you to select the backup from which to restore, choose set up as a new device. -
Error reading backup piece, unable to open file,
I have 3 bkp file in BACKSET directory, I am trying to duplicate form one system(Windows XP) to another Windows XP.
I get errors as below. Please help.
channel ORA_AUX_DISK_1: reading from backup piece Z:\FLASH_RECOVERY\MYSID\BACKUPSET\2010_03_31\O1_MF_NNND0_TAG_5V5S7C8S_.BKP
ORA-19870: error reading backup piece Z:\FLASH_RECOVERY\MYSID\BACKUPSET\2010_03_31\O1_MF_NNND0_TAG_5V5S7C8S_.BKP
ORA-19505: failed to identify file "Z:\FLASH_RECOVERY\MYSID\BACKUPSET\2010_03_31\O1_MF_NNND0_TAG_5V5S7C8S_.BKP"
ORA-27041: unable to open file
OSD-04002: unable to open file
O/S-Error: (OS 3) The system cannot find the path specified.
failover to previous backup
The file Z:\FLASH_RECOVERY\MYSID\BACKUPSET\2010_03_31\O1_MF_NNND0_TAG_5V5S7C8S_.BKP does exist in the target database.
Edited by: user10404616 on Mar 31, 2010 7:51 AMYou must copy the backup pieces from SysA to SysB -- to the expected location. This would be the same directory path as on SysA.
See the documentation on the DUPLICATE DATABASE command :
http://download.oracle.com/docs/cd/B19306_01/backup.102/b14194/rcmsynta028.htm#RCMRF126
If the target and duplicate databases reside on different hosts, then you must do one of the following tasks for duplication to be successful:
Move backups and disk copies from the target host to the duplicate host to the same location as the target host so that the path names are identical
Move backups and disk copies from the target host to the duplicate host to a new location (so that the path names are different), and then CATALOG them.
Make sure that all backups and copies (disk or sbt) on the target host are remotely accessible from the duplicate host. Make sure that the archived redo logs are available in the expected location in the new host.
Hemant K Chitale
http://hemantoracledba.blogspot.com -
Hi all, i backup up iphone in itunes but not realised it was password protected and now want to restore new handset from backup but keep asking me for password but no idea what it was,, pls help...
You are someone had to put a check in the box to encrypt your iPhone backup.
Warning: If you encrypt an iPhone backup in iTunes and then forget your password, you will not be able to restore from backup and your data will be unrecoverable. If you forget the password you can continue to do backups and use the device, however you will not be able to restore the encrypted backup to any device without the password. You do not need to enter the password for your backup each time you back up or sync.
If you cannot remember the password and want to start again, you will have to do a full software restore and when prompted by iTunes to select the backup to restore from, choose Set up as a new device.
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