Do I need to invoke rman backup at standby so that I can auto delete expired backups? This was not my case, as I didnt have offline files, but that made me check the SCN of the standby database files (select file#,checkpoint_change# from v$datafile_header). ***Old archivelogs do you mean, They are not applied (or) they are not belongs to current resetlogs_change#? In fact, in RMAN, you can use commands to directly delete ARCHIVELOG. connected to target database: TEST (DBID=1870953724), archive log filename=D:ORACLEORADATATESTARCHIVE1_47.DBF recid=1 stamp=57286, archive log filename=D : ORACLEORADATATESTARCHIVE11_48.DBF RecID Stamp 2 = 5728 =.
Icanviewthediskcopiesusing"listcopyof Actually same thing happen to also. Nice article. archivelogall;". OK, this is not a problem with the retention or the delete obsolete command. andgetnorows. captureprocess"ifanarchivegetsselectedbuthadn'tmadeittotheRAfor Applications and Infrastructure Community. I have a standby db whose archivelogs keep on growing. This bug is for 18c and causes the datafile checkpoint information not to be updated in the standby database. I am new to this company, and I inherit this task to manage this standby without documentation from the previous dba. Are the backups configured on standby DB or on primary DB ? After that I checked and saw that the SCN was getting updated. SYSDATA -7 indicates that the current system time is 7 days ago. Over the years Ive written probably tens of thousands of script lines, When Oracle moved to the new Oracle database release model in 2018, some changes were introduced with it. Allgoodsofar.
somereason? Many people delete it directly. So did you figure out what was causing this? , it can delete archives and FLASHBACK correctly, but remember, ORACLE archive log is very important for ORACLE data recovery and backup, do not delete archive log as a last resort. You can schedule a script that would delete the archives on the standby. After this deletion, it is best to perform a full backup of the database immediately, The archived data 7 days ago can be found through FIND and deleted using the EXEC sub-operation. OBSOLETE",whatversionof"DELETE"shouldbeused? delete force noprompt archivelog all completed before 'SYSDATE-4'; This would delete all the archives before SYSDATE-4. ORACLE correct way to delete archives and reclaim space. delete noprompt ARCHIVELOG UNTIL TIME 'SYSDATE-8'; For more information, refer to the below MOS documents: How to Ensure that RMAN Does NOT Delete Archived Logs That Have Not Yet Shipped to Standby [ID 394261.1], Rman Deletes Archive Log On Primary Database Not Applied On Physical Standby [ID 1324759.1], Configure RMAN to purge archivelogs after applied on standby [ID 728053.1]. I do not know which command will auto delete it after applying to the standby. find/oraarchive -xdev -mtime +7 -name "*.dbf" -exec rm -f {}; Doing so will still leave unmanaged archive files, in RMAN.
The environment has a single instance primary database (with GI+ASM) and a single instance standby database (with GI+ASM) and we run backups on the standby database only (to reduce load from the primary). at the difference between these logs in detail: QL> select THREAD#,sequence#,FIRST_TIME ,NEXT_TIME,COMPLETION_TIME. Reference : https://blog.csdn.net/Seabiscuit_92/article/details/77033155. All rights reserved. If"DELETEEXPIREDARCHIVELOG"doesn'treturnanyrowsandIcan'tuse"DELETE
I have tried that but it does not delete any? I used restore database preview in RMAN to see which backup files RMAN wants to restore and realized that RMAN actually needs the archive logs in these files to restore the database. It is also creating a db backupset. NONE: When set to this value, the archive file deletion strategy is not enabled. backup archivelog all delete input format'ZHSVR044_%d_set=%s_piece=%p_date=%T.ARC.rmn'; All know that the relevant information of each archivelog is recorded in the controlfile. does not think that these logs have been deleted, so when deleting archivelog, we need to do some settings in other places. Copyright (c) 1995, 2002, Oracle Corporation. Are there different kinds of dataguard setup?
And when querying related dynamic views (such as v$archived_log), this part of the log is still marked as existing. On this environment, after the upgrade I saw that RMAN keeps a few backup files (not all) of every backup for much longer (at the time I looked it was 2 weeks, and it didnt seem to delete these files at all). controlfile, which is visualized in the oracle OEM manager The log shows that when we manually clear the files in the archive directory, these records have not been cleared from the controlfile, that is, Oracle does not know that these files no longer exist! I checked the crontab but there is no scheduled rman backup to run. RMAN>LISTARCHIVELOGEXPIRED; In an environment Ive upgraded lately from 11.2 to 18c I found out that some backups are not getting deleted from the standby database. The workaround is to set a hidden parameter on the standby database (alter system set _time_based_rcv_ckpt_target=0;) and restart the redo apply. Required fields are marked *. Use the delete obsolete command to delete expired backups: Deleting the following obsolete backups and copies: ---------- ---------- ------ ------------------ ---------------- ----, Archive Log 2704 17-DEC-04/opt/oracle/oradata/avatar2/archive/1_2716.dbf, Do you really want to delete the above objects (enter YES or NO)?
Regards, This file space occupies 100%. It's wrong, ORACLE has it, and it is very.
It doesnt make sense. An ORACLE archive log is often full, which is expressed as/oraarchive. Your email address will not be published. https://community.oracle.com/thread/2388130. yes, backup piece handle=/data1/oracle/orabak/full_AVATAR2_20041206_173 recid=173 stamp=544156241, archive log filename=/opt/oracle/oradata/avatar2/archive/1_2715.dbf recid=2703 stamp=545108268, archive log filename=/opt/oracle/oradata/avatar2/archive/1_2714.dbf recid=2702 stamp=545107659, specification does not match any archive log in the recovery catalog. If you have never done this action before, we can compare the size of the controlfile before and after the action! Dave, Archivelog deletion w/ ZDLRA - Herring, Dave. They are old archivelogs and has been applied to the standby db and they belong to it because they keep on growing is new date folder. I do not know also if this is the rman backup from primary thet is being file transferred to the dr server. Log in to the database server host as an ORACLE user or. I also searched MOS for some RMAN issues but couldnt find anything. This note talks about archive logs not being deleted by RMAN and the reason is that a file is offline, so its SCN is old. Directly use RMAN to delete archivelog. can use RMAN to remove ARCHIVELOG, specifically the following steps: corresponding archivelog record cannot be found in the. Powered by, Click to share on Twitter (Opens in new window), Click to share on Facebook (Opens in new window), Click to share on LinkedIn (Opens in new window). Is this normal for a standby db to generate its own backupset? You must complain about why ORACLE does not have archive maintenance tools. I just realized that I havent blogged about it (even though I, Industrial WordPress Theme Liron Amitzi, GotoDBA.com, 2019. My question is are the 2 folders generated by the local standby db? 1. the use RMAN clearly after recording the physical deletion.
On a well behaving environment, redundancy 2 keeps 4-7 days on the disk (I have full backups on Sundays and Wednesdays and incremental backups all other days). Now it all makes sense. The before keyword indicates the archive log 7 days ago. How do I check if it can see the list of archivelogs? The next step was to see what these backup pieces actually were.
rman target sys/@<standbydb> < DELETE ARCHIVELOG ALL COMPLETED BEFORE'SYSDATE-7'; means to delete all archivelogs 7 days ago, but this command is The disadvantage is that the archivelog cannot be finely divided. If so, then check the retention policy or the redundancy window set as per your environment, and you can remove the obsolete backups. its deleting with full backup as per retention policy. we facing this after upgrade database from 10.2.0.5 to 12.1.0,2 rman did not deleted archive log backup along with incremental backups. 3. use RMAN to backup achivelog and delete, way. If this does not work, then you can try deleting them by checking the sequence that was last applied and delete until that sequence using RMAN. At first I went to the basic idea that something has changed or is broken in 18c RMAN. Notify me of follow-up comments by email. If the SCN of the files is old, the recovery process will restore these files with the old SCN and will require all archive logs from this SCN forward, even if there is a full backup of the files from a later time. All You Need to Know about Oracle Database Patching, Oracle Database Home Disk Space and Patching, All You Need to Know About Oracle Database Releases, Before You Become an Independent Consultant, Different Types of Projects for a Consultant, SEHA - Standard Edition High Availability in Oracle DB. If the flashback function is used, the flashback data will also be deleted. Old archivelogs do you mean, They are not applied (or) they are not belongs to current resetlogs_change#? LossRecoveryAppliance,commonlyknownasRecoveryAppliance." At this time, we need to clear them manually , I can try this method after experimenting below: this time, if we go to the OEM, we will not see it. Actually,theRAcopyisconsideredabackupbasedonoutputfrom"list somethinglike"DELETEUNTILSYSDATE-1"andhopethatRMANwouldraisean"
Finally, the DBA can, APPLIED ON STANDBY: When set to this value, when the additional DELETE INPUT clause deletes. In the same way, you can delete all logs from 7 days ago to the present, but this command should be considered carefully. I checked the redundancy settings (as I though something has changed there) but it looked fine. Your email address will not be published. 7 Use list expired to see if there is an invalid archive log, and prove that there is no invalid archive log: RMAN> list expired archivelog all; it does, not match any archive log in the recovery directory. Next was another MOS search that lead me to bug 29056767. backup.
Or is there a retention period that hold these archivelogs from being deleted? SBT_TAPE; I have a full backup of all files from 2 days ago, but Oracle still needs archives from 2 weeks ago. You still need to execute the following two commands in RMAN, So it is not as easy to use as the above method, but the advantage of using FIND is that you can do a lot of operations on the conditions and EXEC sub-items to achieve more complex functions, . In this case I need to remove this by my own script? For example, to enable APPLIED ON STANDBY: RMAN> CONFIGURE ARCHIVELOG DELETION POLICY TO APPLIED ON STANDBY; CONFIGURE ARCHIVELOG DELETION POLICY TO APPLIED ON STANDBY; new RMAN configuration parameters are successfully stored. 6 Try to synchronize, see if it works, the result does not work, and the crosscheck still fails: Archive log file name=D:ORACLEORADATATESTARCHIVE1_47.DBF record ID=1 Timestamp=572866, Archive log file name=D:ORACLEORADATATESTARCHIVE11_48.DBF record ID=2 Timestamp=57286.
RMAN really thinks it needs these files, but why? The last step was to run delete obsolete in RMAN and see that the old archive log backups are getting deleted. SQL> select thread#,max(sequence#) from v$archived_log where applied='YES' group by thread#; RMAN>delete archivelog until sequence; Do I need to delete the old db-backupset created by standby db? Use RMAN to backup archivelog and delete all after. 8 Try changing the language environment, and the result is crosscheck again, Both archive logs are successful: C:>set nls_lang=american_america.zhs16gbk, Recovery Manager: Release 9.2.0.1.0-Production. I do not know what type of dataguard they have setup. Briefly introduce the report obsolete command, Use the report obsolete command to report expired backups, RMAN retention policy will be applied to the command, RMAN retention policy is set to redundancy 1, -------- ------------ ------ ------------------ -------------- ------, Backup Piece 125 01-NOV-04/data1/oracle/orabak/full_1_541045804, Backup Piece 131 04-NOV-04/data1/oracle/orabak/full_AVATAR2_20041104_131, Backup Piece 173 06-DEC-04/data1/oracle/orabak/full_AVATAR2_20041206_173, Backup Piece 179 11-DEC-04/data1/oracle/orabak/arch544588206.arc, Backup Piece 189 17-DEC-04/data1/oracle/orabak/arch545106606.arc, Backup Piece 190 17-DEC-04/data1/oracle/orabak/arch545106665.arc, Backup Piece 191 20-DEC-04/data1/oracle/orabak/arch_AVATAR2_20041220_194, Archive Log 2973 20-DEC-04/opt/oracle/oradata/avatar2/archive/1_2985.dbf, Archive Log 2971 20 -DEC-04/opt/oracle/oradata/avatar2/archive/1_2984.dbf, Archive Log 2705 17-DEC-04/opt/oracle/oradata/avatar2/archive/1_2717.dbf, Archive Log 2704 17- DEC-04/opt/oracle/oradata/avatar2/archive/1_2716.dbf, Archive Log 2703 17-DEC-04/opt/oracle/oradata/avatar2/archive/1_2715.dbf, Archive Log 2702 17-DEC-04/opt/oracle/oradata/avatar2/archive/1_2714.dbf. 2 from v$archived_log order by thread#,sequence#; THREAD# SEQUENCE# FIRST_TIME NEXT_TIME COMPLETION_TIME, ---------- ---------- ----------------- ------ ----------- -----------------, 1 1 20110713 14:57:58 20110713 14:58:42 20110713 14:58:49, 1 2 20110713 14:58:42 20110713 14:59:00 20110713 14:59:18, 1 3 20110713 14:59:00 20110713 15:02:31 20110713 15:02:36, 1 4 20110713 15:02:31 20110713 16:32 :50 20110713 16:32:57, 1 5 20110713 16:32:50 20110713 16:41:40 20110713 16:42:51, 1 6 20110713 16:41:40 20110714 06:00:07 20110714 06:00:08, 1 7 20110714 06:00:07 20110714 09:26:57 20110714 09:49:04, 1 8 20110714 09:26:57 20110714 09:46:55 20110714 09:49:04, 1 9 20110714 09:46:55 20110714 09:49:58 20110714 09:50:06, 1 10 20110714 09:49:58 20110714 09 :50:02 20110714 09:50:09, 1 11 20110714 09:50:02 20110714 09:51:49 20110714 09:51:59, ---------- --- ------- ----------------- ----------------- --------- --------, 1 12 20110714 09:51:49 20110714 09:51:55 20110714 09:52:05, 1 13 20110714 09:51:55 20110714 09:52:01 20110714 09:52:10, 1 14 20110714 09:52:01 20110714 09:52:07 20110714 09:52:13, 1 15 20110714 09:52:07 20110714 09:53:54 20110714 09:53:59, 1 16 20110714 09:53:54 20110714 14:40:01 20110714 14:40:05, 1 17 20110714 14:40:01 20110715 16 :14:19 20110715 16:14:20, 1 18 20110715 16:14:19 20110715 16:15:46 20110715 16:15:47, 2 1 20110713 15:14:43 20110713 16:15:41 20110713 16:17:14, 2 2 20110713 16:15:41 20110713 16:32:50 20110713 16:32:54, 2 3 20110713 16:32:50 20110714 03:00:07 20110714 03:00:12, 2 4 20110714 03:00:07 20110714 03 :00:23 20110714 03:00:27, ---------- ---------- ----------------- ------------- ---- -----------------, 2 5 20110714 03:00:23 20110714 06:00:06 20110714 06:00:11, 2 6 20110714 06:00:06 20110714 06:00:22 20110714 06:00:27, 2 7 20110714 06:00:22 20110714 06:00:37 20110714 09:47:56, 2 8 20110714 06:00:37 20110714 09:26:56 20110714 09:48: 05, 2 9 20110714 09:26:56 20110714 09:47:56 20110714 09:48:05, 2 10 20110714 09:47:56 20110714 09:51:51 20110714 09:51:52, 2 11 20110714 09:51:51 20110714 09:52:12 20110714 09:52:12, 2 12 20110714 09:52:12 20110715 13:20:33 20110715 13:20:37 The. deleted N days before log file, there are two commands: delete ARCHIVELOG an until Time 'SYSDATE-N', delete All Completed before ARCHIVELOG 'SYSDATE-N', 7 1 5 A 13-July-11 +RECOVERY/edu/archivelog/2011_07_13/thread_1_seq_5.259.756405771, 10 1 6 A 13-July-11 +RECOVERY/edu/archivelog/2011_07_14/thread_1_seq_6.263.756453607, 16 1 7 A 14- July-11 +RECOVERY/edu/archivelog/2011_07_14/thread_1_seq_7.268.756467343, 17 1 8 A 14-July-11 +RECOVERY/edu/archivelog/2011_07_14/thread_1_seq_8.269.756467345, 18 1 9 A 14-July-11 +RECOVERY/edu/archivelog/2011_07_14/thread_1_seq_9.270.756467399, 19 1 10 A 14-July-11 +RECOVERY/edu/archivelog/2011_07_14/thread_1_seq_10.271.756467403, 21 1 11 A 14-July-11 +RECOVERY/edu/archivelog/2011_07_14/thread_1_seq_11.272.756467511, 22 1 12 A 14-July-11 +RECOVERY/edu/archivelog/2011_07_14/thread_1_seq_12.274.756467515, 23 1 13 A 14-July-11 +RECOVERY/edu/archivelog/2011_07_14/thread_1_seq_13.275.756467521, 25 1 14 A 14- July-11 +RECOVERY/edu/archivelog/2011_07_14/thread_1_seq_14.276.756467527, 26 1 15 A 14-July-11 +RECOVERY/edu/archivelog/2011_07_14/thread_1_seq_15.278.756467635, 27 1 16 A 14-July-11 +RECOVERY/edu/archivelog/2011_07_14/thread_1_seq_16.279.756484801, 29 1 17 A 14-July-11 +RECOVERY/edu/archivelog/2011_07_15/thread_1_seq_17.256.756576859, 5 2 2 A 13-July-11 +RECOVERY/edu/archivelog/2011_07_13/thread_2_seq_2.257.756405175, 8 2 3 A 13-July-11 +RECOVERY/edu/archivelog/2011_07_14/thread_2_seq_3.260.756442807, 9 2 4 A 14-July-11 +RECOVERY/edu/archivelog/2011_07_14/thread_2_seq_4.261.756442823, 11 2 5 A 14- July-11 +RECOVERY/edu/archivelog/2011_07_14/thread_2_seq_5.262.756453607, 12 2 6 A 14-July-11 +RECOVERY/edu/archivelog/2011_07_14/thread_2_seq_6.264.756453623, 13 2 7 A 14-July-11 +RECOVERY/edu/archivelog/2011_07_14/thread_2_seq_7.265.756467273, 14 2 8 A 14-July-11 +RECOVERY/edu/archivelog/2011_07_14/thread_2_seq_8.266.756467279, 15 2 9 A 14-July-11 +RECOVERY/edu/archivelog/2011_07_14/thread_2_seq_9.267.756467279, 20 2 10 A 14-July-11 +RECOVERY/edu/archivelog/2011_07_14/thread_2_seq_10.273.756467511, 24 2 11 A 14-July-11 +RECOVERY/edu/archivelog/2011_07_14/thread_2_seq_11.277.756467533, 28 2 12 A 14- July-11 +RECOVERY/edu/archivelog/2011_07_15/thread_2_seq_12.280.756566433 The, 16 1 7 A 14-July-11 +RECOVERY/edu/archivelog/2011_07_14/thread_1_seq_7.268.756467343, 18 1 9 A 14- July-11 +RECOVERY/edu/archivelog/2011_07_14/thread_1_seq_9.270.756467399, 25 1 14 A 14-July-11 +RECOVERY/edu/archivelog/2011_07_14/thread_1_seq_14.276.756467527, 27 1 16 A 14- July-11 +RECOVERY/edu/archivelog/2011_07_14/thread_1_seq_16.279.756484801, 11 2 5 A 14-July-11 +RECOVERY/edu/archivelog/2011_07_14/thread_2_seq_5.262.756453607, 14 2 8 A 14- July-11 +RECOVERY/edu/archivelog/2011_07_14/thread_2_seq_8.266.756467279, 24 2 11 A 14-July-11 +RECOVERY/edu/archivelog/2011_07_14/thread_2_seq_11.277.756467533 Look. 3. I am just confused with my standby db. Another MOS search and I found note 282617.1. I do not understand your question.
APPLIEDTOALL (sbt). For the primary after an schedule backup is done, I just keep 1 backup set then purge the old ones immediately using : But this does not work on standby db right? 4. STANDBY;"butstillnorowsexpired. configured,howareyouidentifyingarchivelogsthatareOKtodelete(onthe EverylogswitchcreatesanarchiveloginASM(disk)andanothersenttotheRA However, the user can still manually delete it by DELETE ARCHIVELOG. At our DR server is am seeing this backupset: PROD-DR:oracle[/backup/flash_recovery_area/PROD/backupset] du -s *, PROD-DR:oracle[/backup/flash_recovery_area/PRODDR/archivelog] du -s *. or they are being file transferred from the PRIMARY database server? This occurred to me not too long ago, when I prepared an Oracle Software for a client. list archivelog until time'sysdate-1'; At this time, the start time of the archive log is fisrt_time as the deadline. DELETEOBSOLETEcommandcannotbeusedwhenbackupsarestoredtoZeroData Archivelog cannot be directly physically deleted from the OS layer, because the relevant information of archivelog is recorded in the controlfile, and the settings of the controlfile will not be changed after the physical deletion. IguessI'mhavingtrustissues. A file with old SCN requires Oracle to apply all archive logs from that SCN onward. backup format'/u01/arch_%T_%s_%U' archivelog all delete input; Note: I am on the library after setting Streams, use RMAN to delete archivelog will lead to error RMAN-08 137: the WARNING: Archive log not deleted AS IT iS Still needed do not know how to solve, is said to be a bug 10.2, if true. RMAN>CONFIGUREARCHIVELOGDELETIONPOLICYTOBACKEDUP1TIMESTODEVICETYPE RMAN-08137:warning:archivedlognotdeleted,neededforstandbyorupstream Is this the expected behavior in 12.1 or some kind of a bug? I'veset: 2. It is fixed in 18.8, 19.4 and 20.1. Domostpeopledo ORACLE correct way to delete archives and reclaim space. As I said, I run the RMAN backups on the standby side, while the script executes delete obsolete after the backup (retention is configured to redundancy 2). But,thediskcopiesaren'texpired. you must create a script to delete old archivelog on standby. For example: allocate channel for maintenance device type disk; delete archivelog until time 'sysdate - 7' ; $ORACLE_HOME/bin/rman target / catalog user/[emailprotected] << EOF. RMAN>CROSSCHECKARCHIVELOGALL; Then I thought maybe there is an issue with the delete obsolete command, so I decided to check what RMAN thinks about the restore process. Of course, after deleting these physical files under the OS, the. The SCN of all the files was the same, but when I compared that to the primary I realized that the SCN of the standby files is much older than the one of the primary files. ForthoseofyouwhoareusingZDLRAsandhaveRTRT(real-timeredotransport) In versions after 10g, Oracle has added an archive file deletion strategy in RMAN. As per your question, I feel that the backups are being taken from the standby DB and you need to remove them. Just imagine if you delete the archive log, Still use delete archivelog all completed before'sysdate-N'. Is there a command in RMAN for standby db which list the old archivelogs that has been applied and can be deleted? it keep archivelog backups entair week after having another full backup. In other words. I set the parameter on the standby database (alter system set _time_based_rcv_ckpt_target=0;) and restarted the redo apply (using dgmgrl: edit database set state=apply-off, then: edit database set state=apply-on). 5 Use crosscheck to check archive logs in rman, and both archive logs fail: archive log file name=D:ORACLEORADATATESTARCHIVE1_47.DBF record ID=1 timestamp=572866, archive log file name=D:ORACLEORADATATESTARCHIVE11_48.DBF record ID=2 Timestamp=57286. It is a small appliance with not a lot of disk space and, Many Oracle databases are running on Linux/UNIX systems, and many DBAs need to write all kind of scripts.
Icanviewthediskcopiesusing"listcopyof Actually same thing happen to also. Nice article. archivelogall;". OK, this is not a problem with the retention or the delete obsolete command. andgetnorows. captureprocess"ifanarchivegetsselectedbuthadn'tmadeittotheRAfor Applications and Infrastructure Community. I have a standby db whose archivelogs keep on growing. This bug is for 18c and causes the datafile checkpoint information not to be updated in the standby database. I am new to this company, and I inherit this task to manage this standby without documentation from the previous dba. Are the backups configured on standby DB or on primary DB ? After that I checked and saw that the SCN was getting updated. SYSDATA -7 indicates that the current system time is 7 days ago. Over the years Ive written probably tens of thousands of script lines, When Oracle moved to the new Oracle database release model in 2018, some changes were introduced with it. Allgoodsofar.
somereason? Many people delete it directly. So did you figure out what was causing this? , it can delete archives and FLASHBACK correctly, but remember, ORACLE archive log is very important for ORACLE data recovery and backup, do not delete archive log as a last resort. You can schedule a script that would delete the archives on the standby. After this deletion, it is best to perform a full backup of the database immediately, The archived data 7 days ago can be found through FIND and deleted using the EXEC sub-operation. OBSOLETE",whatversionof"DELETE"shouldbeused? delete force noprompt archivelog all completed before 'SYSDATE-4'; This would delete all the archives before SYSDATE-4. ORACLE correct way to delete archives and reclaim space. delete noprompt ARCHIVELOG UNTIL TIME 'SYSDATE-8'; For more information, refer to the below MOS documents: How to Ensure that RMAN Does NOT Delete Archived Logs That Have Not Yet Shipped to Standby [ID 394261.1], Rman Deletes Archive Log On Primary Database Not Applied On Physical Standby [ID 1324759.1], Configure RMAN to purge archivelogs after applied on standby [ID 728053.1]. I do not know which command will auto delete it after applying to the standby. find/oraarchive -xdev -mtime +7 -name "*.dbf" -exec rm -f {}; Doing so will still leave unmanaged archive files, in RMAN.
The environment has a single instance primary database (with GI+ASM) and a single instance standby database (with GI+ASM) and we run backups on the standby database only (to reduce load from the primary). at the difference between these logs in detail: QL> select THREAD#,sequence#,FIRST_TIME ,NEXT_TIME,COMPLETION_TIME. Reference : https://blog.csdn.net/Seabiscuit_92/article/details/77033155. All rights reserved. If"DELETEEXPIREDARCHIVELOG"doesn'treturnanyrowsandIcan'tuse"DELETE
I have tried that but it does not delete any? I used restore database preview in RMAN to see which backup files RMAN wants to restore and realized that RMAN actually needs the archive logs in these files to restore the database. It is also creating a db backupset. NONE: When set to this value, the archive file deletion strategy is not enabled. backup archivelog all delete input format'ZHSVR044_%d_set=%s_piece=%p_date=%T.ARC.rmn'; All know that the relevant information of each archivelog is recorded in the controlfile. does not think that these logs have been deleted, so when deleting archivelog, we need to do some settings in other places. Copyright (c) 1995, 2002, Oracle Corporation. Are there different kinds of dataguard setup?
And when querying related dynamic views (such as v$archived_log), this part of the log is still marked as existing. On this environment, after the upgrade I saw that RMAN keeps a few backup files (not all) of every backup for much longer (at the time I looked it was 2 weeks, and it didnt seem to delete these files at all). controlfile, which is visualized in the oracle OEM manager The log shows that when we manually clear the files in the archive directory, these records have not been cleared from the controlfile, that is, Oracle does not know that these files no longer exist! I checked the crontab but there is no scheduled rman backup to run. RMAN>LISTARCHIVELOGEXPIRED; In an environment Ive upgraded lately from 11.2 to 18c I found out that some backups are not getting deleted from the standby database. The workaround is to set a hidden parameter on the standby database (alter system set _time_based_rcv_ckpt_target=0;) and restart the redo apply. Required fields are marked *. Use the delete obsolete command to delete expired backups: Deleting the following obsolete backups and copies: ---------- ---------- ------ ------------------ ---------------- ----, Archive Log 2704 17-DEC-04/opt/oracle/oradata/avatar2/archive/1_2716.dbf, Do you really want to delete the above objects (enter YES or NO)?
Regards, This file space occupies 100%. It's wrong, ORACLE has it, and it is very. It doesnt make sense. An ORACLE archive log is often full, which is expressed as/oraarchive. Your email address will not be published. https://community.oracle.com/thread/2388130. yes, backup piece handle=/data1/oracle/orabak/full_AVATAR2_20041206_173 recid=173 stamp=544156241, archive log filename=/opt/oracle/oradata/avatar2/archive/1_2715.dbf recid=2703 stamp=545108268, archive log filename=/opt/oracle/oradata/avatar2/archive/1_2714.dbf recid=2702 stamp=545107659, specification does not match any archive log in the recovery catalog. If you have never done this action before, we can compare the size of the controlfile before and after the action! Dave, Archivelog deletion w/ ZDLRA - Herring, Dave. They are old archivelogs and has been applied to the standby db and they belong to it because they keep on growing is new date folder. I do not know also if this is the rman backup from primary thet is being file transferred to the dr server. Log in to the database server host as an ORACLE user or. I also searched MOS for some RMAN issues but couldnt find anything. This note talks about archive logs not being deleted by RMAN and the reason is that a file is offline, so its SCN is old. Directly use RMAN to delete archivelog. can use RMAN to remove ARCHIVELOG, specifically the following steps: corresponding archivelog record cannot be found in the. Powered by, Click to share on Twitter (Opens in new window), Click to share on Facebook (Opens in new window), Click to share on LinkedIn (Opens in new window). Is this normal for a standby db to generate its own backupset? You must complain about why ORACLE does not have archive maintenance tools. I just realized that I havent blogged about it (even though I, Industrial WordPress Theme Liron Amitzi, GotoDBA.com, 2019. My question is are the 2 folders generated by the local standby db? 1. the use RMAN clearly after recording the physical deletion.
On a well behaving environment, redundancy 2 keeps 4-7 days on the disk (I have full backups on Sundays and Wednesdays and incremental backups all other days). Now it all makes sense. The before keyword indicates the archive log 7 days ago. How do I check if it can see the list of archivelogs? The next step was to see what these backup pieces actually were.
rman target sys/
Finally, the DBA can, APPLIED ON STANDBY: When set to this value, when the additional DELETE INPUT clause deletes. In the same way, you can delete all logs from 7 days ago to the present, but this command should be considered carefully. I checked the redundancy settings (as I though something has changed there) but it looked fine. Your email address will not be published. 7 Use list expired to see if there is an invalid archive log, and prove that there is no invalid archive log: RMAN> list expired archivelog all; it does, not match any archive log in the recovery directory. Next was another MOS search that lead me to bug 29056767. backup.
Or is there a retention period that hold these archivelogs from being deleted? SBT_TAPE; I have a full backup of all files from 2 days ago, but Oracle still needs archives from 2 weeks ago. You still need to execute the following two commands in RMAN, So it is not as easy to use as the above method, but the advantage of using FIND is that you can do a lot of operations on the conditions and EXEC sub-items to achieve more complex functions, . In this case I need to remove this by my own script? For example, to enable APPLIED ON STANDBY: RMAN> CONFIGURE ARCHIVELOG DELETION POLICY TO APPLIED ON STANDBY; CONFIGURE ARCHIVELOG DELETION POLICY TO APPLIED ON STANDBY; new RMAN configuration parameters are successfully stored. 6 Try to synchronize, see if it works, the result does not work, and the crosscheck still fails: Archive log file name=D:ORACLEORADATATESTARCHIVE1_47.DBF record ID=1 Timestamp=572866, Archive log file name=D:ORACLEORADATATESTARCHIVE11_48.DBF record ID=2 Timestamp=57286.
RMAN really thinks it needs these files, but why? The last step was to run delete obsolete in RMAN and see that the old archive log backups are getting deleted. SQL> select thread#,max(sequence#) from v$archived_log where applied='YES' group by thread#; RMAN>delete archivelog until sequence
APPLIEDTOALL (sbt). For the primary after an schedule backup is done, I just keep 1 backup set then purge the old ones immediately using : But this does not work on standby db right? 4. STANDBY;"butstillnorowsexpired. configured,howareyouidentifyingarchivelogsthatareOKtodelete(onthe EverylogswitchcreatesanarchiveloginASM(disk)andanothersenttotheRA However, the user can still manually delete it by DELETE ARCHIVELOG. At our DR server is am seeing this backupset: PROD-DR:oracle[/backup/flash_recovery_area/PROD/backupset] du -s *, PROD-DR:oracle[/backup/flash_recovery_area/PRODDR/archivelog] du -s *. or they are being file transferred from the PRIMARY database server? This occurred to me not too long ago, when I prepared an Oracle Software for a client. list archivelog until time'sysdate-1'; At this time, the start time of the archive log is fisrt_time as the deadline. DELETEOBSOLETEcommandcannotbeusedwhenbackupsarestoredtoZeroData Archivelog cannot be directly physically deleted from the OS layer, because the relevant information of archivelog is recorded in the controlfile, and the settings of the controlfile will not be changed after the physical deletion. IguessI'mhavingtrustissues. A file with old SCN requires Oracle to apply all archive logs from that SCN onward. backup format'/u01/arch_%T_%s_%U' archivelog all delete input; Note: I am on the library after setting Streams, use RMAN to delete archivelog will lead to error RMAN-08 137: the WARNING: Archive log not deleted AS IT iS Still needed do not know how to solve, is said to be a bug 10.2, if true. RMAN>CONFIGUREARCHIVELOGDELETIONPOLICYTOBACKEDUP1TIMESTODEVICETYPE RMAN-08137:warning:archivedlognotdeleted,neededforstandbyorupstream Is this the expected behavior in 12.1 or some kind of a bug? I'veset: 2. It is fixed in 18.8, 19.4 and 20.1. Domostpeopledo ORACLE correct way to delete archives and reclaim space. As I said, I run the RMAN backups on the standby side, while the script executes delete obsolete after the backup (retention is configured to redundancy 2). But,thediskcopiesaren'texpired. you must create a script to delete old archivelog on standby. For example: allocate channel for maintenance device type disk; delete archivelog until time 'sysdate - 7' ; $ORACLE_HOME/bin/rman target / catalog user/[emailprotected] << EOF. RMAN>CROSSCHECKARCHIVELOGALL; Then I thought maybe there is an issue with the delete obsolete command, so I decided to check what RMAN thinks about the restore process. Of course, after deleting these physical files under the OS, the. The SCN of all the files was the same, but when I compared that to the primary I realized that the SCN of the standby files is much older than the one of the primary files. ForthoseofyouwhoareusingZDLRAsandhaveRTRT(real-timeredotransport) In versions after 10g, Oracle has added an archive file deletion strategy in RMAN. As per your question, I feel that the backups are being taken from the standby DB and you need to remove them. Just imagine if you delete the archive log, Still use delete archivelog all completed before'sysdate-N'. Is there a command in RMAN for standby db which list the old archivelogs that has been applied and can be deleted? it keep archivelog backups entair week after having another full backup. In other words. I set the parameter on the standby database (alter system set _time_based_rcv_ckpt_target=0;) and restarted the redo apply (using dgmgrl: edit database